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<!--
|
||
UID=65889
|
||
ConceptID=C0234632
|
||
-->
|
||
<!--imgCountBooks = 0--><h1 class="medgenTitle"><div class="MedGenTitleText">Reduced visual acuity</div></h1><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>65889</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0234632</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div><table class="medgenTable"><tbody><tr><td>Synonyms:</td>
|
||
<td>Decreased central vision; Decreased visual acuity; Impaired visual acuity; Loss of visual acuity; Low visual acuity</td></tr>
|
||
<tr><td><span class="bold">SNOMED CT: </span></td>
|
||
<td>Reduced visual acuity (13164000)</td></tr>
|
||
<tr><td colspan="2" class="small"> </td></tr><tr><td>HPO:</td>
|
||
<td><a target="_blank" title="Human Phenotype Ontology" href="https://hpo.jax.org/app/browse/term/HP:0007663">HP:0007663</a></td></tr>
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<div class="portlet mgSection" id="ID_100">
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Definition">Definition</h1><a sid="100" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln">Diminished clarity of vision. [from <a title="NCI Thesaurus" href="http://ncit.nci.nih.gov" class="defSource" target="_blank">NCI</a>]</div>
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</div>
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<div class="portlet mgSection" id="ID_118">
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Term_Hierarchy">Term Hierarchy</h1><a sid="118" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
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<div class="portlet_content ln HierarchyGTR"><div class="jig-ncbitabs"><ul><li><a href="#tabGTR">GTR</a></li><li><a href="#tabMGEN">MeSH</a></li></ul><div id="tabGTR"><div class="search_result"><div class="rprts"><div class="chiclet_legend"><span class="chiclet_list" style="position:static;"><span title="Clinical test" class="chiclet Ccolor round">C</span><span>Clinical test, </span><span title="Research test" class="chiclet Rcolor round">R</span><span>Research test, </span><span title="OMIM" class="chiclet Ocolor ">O</span><span>OMIM, </span><span title="GeneReview" class="chiclet Gcolor">G</span><span><em>GeneReviews</em>, </span><span title="ClinVar" class="chiclet Vcolor">V</span><span>ClinVar </span></span></div><div id="hierarchy" class="margin_t1"><div class="ds_tree"><ul><li class="matched_ds"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C0234632[DISCUI]&test_type=Clinical" ref="ncbi_uid=65889">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet unavailable" title="OMIM">O</span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&from_uid=65889" ref="ncbi_uid=65889">V</a></span></span><span class="TLline">Reduced visual acuity</span></li></ul></div></div></div></div></div><div id="tabMGEN"><div class="ds_tree"><ul><li><span class="TLline"><a href="/medgen/21047" ref="tree=MeSH" title="MedGen record for Pathological Conditions, Signs and Symptoms">Pathological Conditions, Signs and Symptoms</a></span><ul><li><span class="TLline"><a href="/medgen/19974" ref="tree=MeSH" title="MedGen record for Clinical finding">Clinical finding</a></span><ul><li><span class="TLline"><a href="/medgen/272632" ref="tree=MeSH" title="MedGen record for Finding by Site or System">Finding by Site or System</a></span><ul><li><span class="TLline"><a href="/medgen/108390" ref="tree=MeSH" title="MedGen record for Head and Neck Finding">Head and Neck Finding</a></span><ul><li><span class="TLline"><a href="/medgen/234247" ref="tree=MeSH" title="MedGen record for Eye and Ear Finding">Eye and Ear Finding</a></span><ul><li><span class="TLline"><a href="/medgen/662065" ref="tree=MeSH" title="MedGen record for Eye / vision finding">Eye / vision finding</a></span><ul><li><span class="matched_ds">Reduced visual acuity</span><ul><li><span class="TLline"><a href="/medgen/8009" ref="tree=MeSH" title="MedGen record for Amblyopia">Amblyopia</a></span></li><li><span class="TLline"><a href="/medgen/99138" ref="tree=MeSH" title="MedGen record for Blindness">Blindness</a></span><ul><li><span class="TLline"><a href="/medgen/57702" ref="tree=MeSH" title="MedGen record for Amaurosis fugax">Amaurosis fugax</a></span></li><li><span class="TLline"><a href="/medgen/116141" ref="tree=MeSH" title="MedGen record for Color blindness">Color blindness</a></span><ul><li><span class="TLline"><a href="/medgen/57828" ref="tree=MeSH" title="MedGen record for Acquired color blindness">Acquired color blindness</a></span></li><li><span class="TLline"><a href="/medgen/155489" ref="tree=MeSH" title="MedGen record for Inherited Color Blindness">Inherited Color Blindness</a></span></li></ul></li><li><span class="TLline"><a href="/medgen/2288" ref="tree=MeSH" title="MedGen record for Congenital blindness">Congenital blindness</a></span></li><li><span class="TLline"><a href="/medgen/57834" ref="tree=MeSH" title="MedGen record for Cortical blindness">Cortical blindness</a></span></li><li><span class="TLline"><a href="/medgen/408188" ref="tree=MeSH" title="MedGen record for Deaf-Blind Disorders">Deaf-Blind Disorders</a></span><ul><li><span class="TLline"><a href="/medgen/78754" ref="tree=MeSH" title="MedGen record for Usher syndrome">Usher syndrome</a></span></li><li><span class="TLline"><a href="/medgen/21923" ref="tree=MeSH" title="MedGen record for Wolfram syndrome">Wolfram syndrome</a></span></li></ul></li><li><span class="TLline"><a href="/medgen/9193" ref="tree=MeSH" title="MedGen record for Hemianopia">Hemianopia</a></span><ul><li><span class="TLline"><a href="/medgen/543224" ref="tree=MeSH" title="MedGen record for Heteronymous hemianopia">Heteronymous hemianopia</a></span></li><li><span class="TLline"><a href="/medgen/75742" ref="tree=MeSH" title="MedGen record for Homonymous hemianopia">Homonymous hemianopia</a></span></li></ul></li><li><span class="TLline"><a href="/medgen/10349" ref="tree=MeSH" title="MedGen record for Night blindness">Night blindness</a></span><ul><li><span class="TLline"><a href="/medgen/870346" ref="tree=MeSH" title="MedGen record for Adult-onset night blindness">Adult-onset night blindness</a></span></li><li><span class="TLline"><a href="/medgen/83289" ref="tree=MeSH" title="MedGen record for Congenital stationary night blindness">Congenital stationary night blindness</a></span></li><li><span class="TLline"><a href="/medgen/870373" ref="tree=MeSH" title="MedGen record for Progressive night blindness">Progressive night blindness</a></span></li></ul></li></ul></li><li><span class="TLline"><a href="/medgen/858998" ref="tree=MeSH" title="MedGen record for Decreased Best Corrected Visual Acuity">Decreased Best Corrected Visual Acuity</a></span></li><li><span class="TLline"><a href="/medgen/858996" ref="tree=MeSH" title="MedGen record for Decreased Uncorrected Visual Acuity">Decreased Uncorrected Visual Acuity</a></span></li><li><span class="TLline"><a href="/medgen/858995" ref="tree=MeSH" title="MedGen record for Decreased Visual Acuity with Current Correction">Decreased Visual Acuity with Current Correction</a></span></li><li><span class="TLline"><a href="/medgen/1671080" ref="tree=MeSH" title="MedGen record for Mildly reduced visual acuity">Mildly reduced visual acuity</a></span></li><li><span class="TLline"><a href="/medgen/723196" ref="tree=MeSH" title="MedGen record for Moderately reduced visual acuity">Moderately reduced visual acuity</a></span></li><li><span class="TLline"><a href="/medgen/226987" ref="tree=MeSH" title="MedGen record for Severely reduced visual acuity">Severely reduced visual acuity</a></span></li><li><span class="TLline"><a href="/medgen/893113" ref="tree=MeSH" title="MedGen record for Sudden loss of visual acuity">Sudden loss of visual acuity</a></span></li><li><span class="TLline"><a href="/medgen/1685679" ref="tree=MeSH" title="MedGen record for Ultra-low vision">Ultra-low vision</a></span><ul><li><span class="TLline"><a href="/medgen/1693914" ref="tree=MeSH" title="MedGen record for Ultra-low vision with no light perception">Ultra-low vision with no light perception</a></span></li><li><span class="TLline"><a href="/medgen/1696045" ref="tree=MeSH" title="MedGen record for Ultra-low vision with retained light perception">Ultra-low vision with retained light perception</a></span></li><li><span class="TLline"><a href="/medgen/1701453" ref="tree=MeSH" title="MedGen record for Ultra-low vision with retained light projection">Ultra-low vision with retained light projection</a></span></li><li><span class="TLline"><a href="/medgen/1696685" ref="tree=MeSH" title="MedGen record for Ultra-low vision with retained motion projection">Ultra-low vision with retained motion projection</a></span></li></ul></li><li><span class="TLline"><a href="/medgen/1686367" ref="tree=MeSH" title="MedGen record for Very low visual acuity">Very low visual acuity</a></span></li><li><span class="TLline"><a href="/medgen/893125" ref="tree=MeSH" title="MedGen record for Visual acuity test abnormality">Visual acuity test abnormality</a></span><ul><li><span class="TLline"><a href="/medgen/893080" ref="tree=MeSH" title="MedGen record for Abnormal best corrected visual acuity test">Abnormal best corrected visual acuity test</a></span><ul><li><span class="TLline"><a href="/medgen/893109" ref="tree=MeSH" title="MedGen record for Best corrected visual acuity 0.1 LogMAR">Best corrected visual acuity 0.1 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892737" ref="tree=MeSH" title="MedGen record for Best corrected visual acuity 0.2 LogMAR">Best corrected visual acuity 0.2 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892919" ref="tree=MeSH" title="MedGen record for Best corrected visual acuity 0.3 LogMAR">Best corrected visual acuity 0.3 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892888" ref="tree=MeSH" title="MedGen record for Best corrected visual acuity 0.4 LogMAR">Best corrected visual acuity 0.4 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892688" ref="tree=MeSH" title="MedGen record for Best corrected visual acuity 0.5 LogMAR">Best corrected visual acuity 0.5 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892722" ref="tree=MeSH" title="MedGen record for Best corrected visual acuity 0.6 LogMAR">Best corrected visual acuity 0.6 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892928" ref="tree=MeSH" title="MedGen record for Best corrected visual acuity 0.7 LogMAR">Best corrected visual acuity 0.7 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/893138" ref="tree=MeSH" title="MedGen record for Best corrected visual acuity 0.8 LogMAR">Best corrected visual acuity 0.8 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/893095" ref="tree=MeSH" title="MedGen record for Best corrected visual acuity 0.9 LogMAR">Best corrected visual acuity 0.9 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892661" ref="tree=MeSH" title="MedGen record for Best corrected visual acuity 1.0 LogMAR">Best corrected visual acuity 1.0 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892975" ref="tree=MeSH" title="MedGen record for Best corrected visual acuity 1.1 LogMAR">Best corrected visual acuity 1.1 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892909" ref="tree=MeSH" title="MedGen record for Best corrected visual acuity 1.2 LogMAR">Best corrected visual acuity 1.2 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892783" ref="tree=MeSH" title="MedGen record for Best corrected visual acuity 1.3 LogMAR">Best corrected visual acuity 1.3 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892942" ref="tree=MeSH" title="MedGen record for Best corrected visual acuity 2.0 LogMAR">Best corrected visual acuity 2.0 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/893130" ref="tree=MeSH" title="MedGen record for Best corrected visual acuity 3.0 LogMAR">Best corrected visual acuity 3.0 LogMAR</a></span></li></ul></li><li><span class="TLline"><a href="/medgen/892511" ref="tree=MeSH" title="MedGen record for Abnormal pinhole visual acuity test">Abnormal pinhole visual acuity test</a></span><ul><li><span class="TLline"><a href="/medgen/893051" ref="tree=MeSH" title="MedGen record for Pinhole visual acuity 0.1 LogMAR">Pinhole visual acuity 0.1 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/893089" ref="tree=MeSH" title="MedGen record for Pinhole visual acuity 0.2 LogMAR">Pinhole visual acuity 0.2 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892806" ref="tree=MeSH" title="MedGen record for Pinhole visual acuity 0.3 LogMAR">Pinhole visual acuity 0.3 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892835" ref="tree=MeSH" title="MedGen record for Pinhole visual acuity 0.4 LogMAR">Pinhole visual acuity 0.4 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892708" ref="tree=MeSH" title="MedGen record for Pinhole visual acuity 0.5 LogMAR">Pinhole visual acuity 0.5 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892988" ref="tree=MeSH" title="MedGen record for Pinhole visual acuity 0.6 LogMAR">Pinhole visual acuity 0.6 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892503" ref="tree=MeSH" title="MedGen record for Pinhole visual acuity 0.7 LogMAR">Pinhole visual acuity 0.7 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892619" ref="tree=MeSH" title="MedGen record for Pinhole visual acuity 0.8 LogMAR">Pinhole visual acuity 0.8 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892560" ref="tree=MeSH" title="MedGen record for Pinhole visual acuity 0.9 LogMAR">Pinhole visual acuity 0.9 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892626" ref="tree=MeSH" title="MedGen record for Pinhole visual acuity 1.0 LogMAR">Pinhole visual acuity 1.0 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892620" ref="tree=MeSH" title="MedGen record for Pinhole visual acuity 1.1 LogMAR">Pinhole visual acuity 1.1 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892589" ref="tree=MeSH" title="MedGen record for Pinhole visual acuity 1.2 LogMAR">Pinhole visual acuity 1.2 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892500" ref="tree=MeSH" title="MedGen record for Pinhole visual acuity 1.3 LogMAR">Pinhole visual acuity 1.3 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892648" ref="tree=MeSH" title="MedGen record for Pinhole visual acuity 2.0 LogMAR">Pinhole visual acuity 2.0 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892622" ref="tree=MeSH" title="MedGen record for Pinhole visual acuity 3.0 LogMAR">Pinhole visual acuity 3.0 LogMAR</a></span></li></ul></li><li><span class="TLline"><a href="/medgen/893066" ref="tree=MeSH" title="MedGen record for Abnormal unaided visual acuity test">Abnormal unaided visual acuity test</a></span><ul><li><span class="TLline"><a href="/medgen/893044" ref="tree=MeSH" title="MedGen record for Unaided visual acuity 0.1 LogMAR">Unaided visual acuity 0.1 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892878" ref="tree=MeSH" title="MedGen record for Unaided visual acuity 0.2 LogMAR">Unaided visual acuity 0.2 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892679" ref="tree=MeSH" title="MedGen record for Unaided visual acuity 0.3 LogMAR">Unaided visual acuity 0.3 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892530" ref="tree=MeSH" title="MedGen record for Unaided visual acuity 0.4 LogMAR">Unaided visual acuity 0.4 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892576" ref="tree=MeSH" title="MedGen record for Unaided visual acuity 0.5 LogMAR">Unaided visual acuity 0.5 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/893027" ref="tree=MeSH" title="MedGen record for Unaided visual acuity 0.6 LogMAR">Unaided visual acuity 0.6 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/893075" ref="tree=MeSH" title="MedGen record for Unaided visual acuity 0.7 LogMAR">Unaided visual acuity 0.7 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892929" ref="tree=MeSH" title="MedGen record for Unaided visual acuity 0.8 LogMAR">Unaided visual acuity 0.8 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892723" ref="tree=MeSH" title="MedGen record for Unaided visual acuity 0.9 LogMAR">Unaided visual acuity 0.9 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892771" ref="tree=MeSH" title="MedGen record for Unaided visual acuity 1.0 LogMAR">Unaided visual acuity 1.0 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892917" ref="tree=MeSH" title="MedGen record for Unaided visual acuity 1.1 LogMAR">Unaided visual acuity 1.1 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892695" ref="tree=MeSH" title="MedGen record for Unaided visual acuity 1.2 LogMAR">Unaided visual acuity 1.2 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892623" ref="tree=MeSH" title="MedGen record for Unaided visual acuity 1.3 LogMAR">Unaided visual acuity 1.3 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/892732" ref="tree=MeSH" title="MedGen record for Unaided visual acuity 2.0 LogMAR">Unaided visual acuity 2.0 LogMAR</a></span></li><li><span class="TLline"><a href="/medgen/893116" ref="tree=MeSH" title="MedGen record for Unaided visual acuity 3.0 LogMAR">Unaided visual acuity 3.0 LogMAR</a></span></li></ul></li><li><span class="TLline"><a href="/medgen/893059" ref="tree=MeSH" title="MedGen record for Visual acuity light perception with projection">Visual acuity light perception with projection</a></span></li><li><span class="TLline"><a href="/medgen/892996" ref="tree=MeSH" title="MedGen record for Visual acuity light perception without projection">Visual acuity light perception without projection</a></span></li><li><span class="TLline"><a href="/medgen/617771" ref="tree=MeSH" title="MedGen record for Visual acuity no light perception">Visual acuity no light perception</a></span></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></div></div></div></div>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Conditions_with_this_feature">Conditions with this feature</h1><a sid="112" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
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<div class="divPopper rprt" id="rdis_3347"><div><strong>Chédiak-Higashi syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>3347</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information."><span class="highlight" style="background-color:">C0007965</span></a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Chediak-Higashi syndrome (CHS) is characterized by partial oculocutaneous albinism (OCA), immunodeficiency, a mild bleeding tendency, and late adolescent- to adult-onset neurologic manifestations (e.g., learning difficulties, peripheral neuropathy, ataxia, and parkinsonism). While present in nearly all individuals with CHS, these clinical findings vary in severity. Of note, all individuals with CHS are at risk of developing neurologic manifestations and hemophagocytic lymphohistiocytosis (HLH). Individuals with severe childhood-onset presentations are considered to have "classic" CHS, whereas individuals with milder adolescent- to adult-onset presentations are considered to have "atypical" CHS. Because of the considerable overlap between classic CHS and atypical CHS, the disorder is best understood as a continuum of severe to milder phenotypes, with the universal feature being the pathognomonic giant granules within leukocytes observed on peripheral blood smear.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/3347">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_40219"><div><strong>Fibrous dysplasia of jaw</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>40219</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0008029</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Cherubism is a childhood-onset, autoinflammatory bone disease characterized by bilateral and symmetric proliferative fibroosseous lesions limited to the mandible and maxilla. The enlargement is usually symmetric in nature. The phenotype ranges from no clinical manifestations to severe mandibular and maxillary overgrowth with respiratory, vision, speech, and swallowing problems. In most affected persons, teeth are displaced, unerupted, unformed, or absent, or may appear to be floating in cystlike spaces; malocclusion, premature exfoliation of deciduous teeth, and root resorption have also been reported. The course and duration of the active process of bone destruction varies between affected individuals; the onset is usually in early childhood, and typically new lesions can occur until puberty. Regression of the lesions occurs as they become filled with bone and remodel during the second and third decade of life. By age 30 years, the facial abnormalities associated with cherubism are not usually recognizable and residual deformity of the jaws is rare. Typically, cherubism is an isolated benign condition; the affected person has normal intellectual skills and is without other physical anomalies.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/40219">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_42055"><div><strong>Focal dermal hypoplasia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>42055</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0016395</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">PORCN-related developmental disorders include a spectrum of highly variable multisystem disorders caused by developmental abnormalities in mesodermal and ectodermal structures primarily involving the skin, limbs, eyes, and face. The manifestations vary among affected individuals, and many have only a subset of the characteristic features. Skin manifestations present at birth include atrophic and hypoplastic areas of skin; cutis aplasia; fat nodules in the dermis manifesting as soft, yellow-pink cutaneous nodules; and pigmentary changes. Verrucous papillomas of the skin and mucous membranes may appear later. The nails can be ridged, dysplastic, or hypoplastic; hair can be sparse or absent. Limb malformations include oligo- and syndactyly and split hand/foot. Developmental abnormalities of the eye can include anophthalmia/microphthalmia, iris and chorioretinal coloboma, and lacrimal duct abnormalities. Craniofacial findings can include facial asymmetry, notched alae nasi, cleft lip and palate, pointed chin, and small, underfolded pinnae. Dental anomalies can include hypodontia, enamel defects, and/or abnormally shaped teeth. Occasional findings include abdominal wall defects, diaphragmatic hernia, and renal anomalies. Psychomotor development is usually normal; some individuals have cognitive impairment and/or behavioral issues.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/42055">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_18145"><div><strong>Lowe syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>18145</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0028860</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Lowe syndrome (oculocerebrorenal syndrome) is characterized by involvement of the eyes, central nervous system, and kidneys. Dense congenital cataracts are found in all affected boys and infantile glaucoma in approximately 50%. All boys have impaired vision; corrected acuity is rarely better than 20/100. Generalized hypotonia is noted at birth and is of central (brain) origin. Deep tendon reflexes are usually absent. Hypotonia may slowly improve with age, but normal motor tone and strength are never achieved. Motor milestones are delayed. Almost all affected males have some degree of intellectual disability; 10%-25% function in the low-normal or borderline range, approximately 25% in the mild-to-moderate range, and 50%-65% in the severe-to-profound range of intellectual disability. Affected males have varying degrees of proximal renal tubular dysfunction of the Fanconi type, including low molecular-weight (LMW) proteinuria, aminoaciduria, bicarbonate wasting and renal tubular acidosis, phosphaturia with hypophosphatemia and renal rickets, hypercalciuria, sodium and potassium wasting, and polyuria. The features of symptomatic Fanconi syndrome do not usually become manifest until after the first few months of life, except for LMW proteinuria. Glomerulosclerosis associated with chronic tubular injury usually results in slowly progressive chronic renal failure and end-stage renal disease between the second and fourth decades of life.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/18145">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_11443"><div><strong>Sjögren-Larsson syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>11443</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0037231</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Sjogren-Larsson syndrome (SLS) is an autosomal recessive, early childhood-onset disorder characterized by ichthyosis, impaired intellectual development, spastic paraparesis, macular dystrophy, and leukoencephalopathy. It is caused by deficiency of fatty aldehyde dehydrogenase (summary by Lossos et al., 2006).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/11443">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_39125"><div><strong>Polyglandular autoimmune syndrome, type 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>39125</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0085859</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Autoimmune polyglandular syndrome type I (APS1) is characterized by the presence of 2 of 3 major clinical symptoms: Addison disease, and/or hypoparathyroidism, and/or chronic mucocutaneous candidiasis (Neufeld et al., 1981). However, variable APS1 phenotypes have been observed, even among sibs. In addition, some patients may exhibit apparent isolated hypoparathyroidism, an early manifestation of APS1 with peak incidence at around age 5 years; over long-term follow-up, the development of additional features of APS1 may be observed (Cranston et al., 2022).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/39125">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_67395"><div><strong>Retinitis pigmentosa 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>67395</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0220701</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the RP1 gene.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/67395">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_78539"><div><strong>Cohen syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>78539</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0265223</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
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<div class="spaceAbove">Cohen syndrome is characterized by failure to thrive in infancy and childhood; truncal obesity in the teen years; early-onset hypotonia and developmental delays; microcephaly developing during the first year of life; moderate to profound psychomotor retardation; progressive retinochoroidal dystrophy and high myopia; neutropenia in many with recurrent infections and aphthous ulcers in some; a cheerful disposition; joint hypermobility; and characteristic facial features.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/78539">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_82810"><div><strong>Tyrosinase-positive oculocutaneous albinism</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>82810</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0268495</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Tyrosinase-positive oculocutaneous albinism (OCA, type II; OCA2) is an autosomal recessive disorder in which the biosynthesis of melanin pigment is reduced in skin, hair, and eyes. Although affected infants may appear at birth to have OCA type I, or complete absence of melanin pigment, most patients with OCA type II acquire small amounts of pigment with age. Individuals with OCA type II have the characteristic visual anomalies associated with albinism, including decreased acuity and nystagmus, which are usually less severe than in OCA type I (Lee et al., 1994; King et al., 2001). OCA type II has a highly variable phenotype. The hair of affected individuals may turn darker with age, and pigmented nevi or freckles may be seen. African and African American individuals may have yellow hair and blue-gray or hazel irides. One phenotypic variant, 'brown OCA,' has been described in African and African American populations and is characterized by light brown hair and skin color and gray to tan irides. The hair and irides may turn darker with time and the skin may tan with sun exposure; the ocular features of albinism are present in all variants (King et al., 2001). In addition, previous reports of so-called 'autosomal recessive ocular albinism,' (see, e.g., Witkop et al., 1978 and O'Donnell et al., 1978) with little or no obvious skin involvement, are now considered most likely to be part of the phenotypic spectrum of OCA1 or OCA2 (Lee et al., 1994; King et al., 2001).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/82810">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_137902"><div><strong>Autosomal dominant optic atrophy classic form</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>137902</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0338508</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Autosomal dominant optic atrophy is characterized by an insidious onset of visual impairment in early childhood with moderate to severe loss of visual acuity, temporal optic disc pallor, color vision deficits, and centrocecal scotoma of variable density (Votruba et al., 1998). Some patients with mutations in the OPA1 gene may also develop extraocular neurologic features, such as deafness, progressive external ophthalmoplegia, muscle cramps, hyperreflexia, and ataxia; see 125250. There appears to be a wide range of intermediate phenotypes (Yu-Wai-Man et al., 2010). Yu-Wai-Man et al. (2009) provided a detailed review of autosomal dominant optic atrophy and Leber hereditary optic neuropathy (LHON; 535000), with emphasis on the selective vulnerability of retinal ganglion cells to mitochondrial dysfunction in both disorders. Genetic Heterogeneity of Optic Atrophy Also see optic atrophy-2 (OPA2; 311050), mapped to chromosome Xp11.4-p11.21; OPA3 (165300), caused by mutation in the OPA3 gene (606580) on chromosome 19q13; OPA4 (605293), mapped to chromosome 18q12.2-q12.3; OPA5 (610708), caused by mutation in the DNM1L gene (603850) on chromosome 12p11; OPA6 (258500), mapped to chromosome 8q21-q22; OPA7 (612989), caused by mutation in the TMEM126A gene (612988) on chromosome 11q14; OPA8 (616648), mapped to chromosome 16q21-q22; OPA9 (616289), caused by mutation in the ACO2 gene (100850) on chromosome 22q13; OPA10 (616732), caused by mutation in the RTN4IP1 gene (610502) on chromosome 6q21; OPA11 (617302), caused by mutation in the YME1L1 gene (607472) on chromosome 10p12; OPA12 (618977), caused by mutation in the AFG3L2 gene (604581) on chromosome 18p11; OPA13 (165510), caused by mutation in the SSBP1 gene (600439) on chromosome 7q34; OPA14 (620550), caused by mutation in the MIEF1 gene (615497) on chromosome 22q13; OPA15 (620583), caused by mutation in the MCAT gene (614479) on chromosome 22q13; and OPA16 (620629), caused by mutation in the MECR gene (608205) on chromosome 1p35.</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/137902">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_90939"><div><strong>Gelatinous droplike corneal dystrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>90939</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0339273</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Gelatinous drop-like corneal dystrophy is an autosomal recessive disorder characterized by severe corneal amyloidosis leading to blindness. Clinical manifestations, which appear in the first decade of life, include blurred vision, photophobia, and foreign-body sensation. By the third decade, raised, yellowish-gray, gelatinous masses severely impair visual acuity, and lamellar keratoplasty is required for most patients (summary by Tsujikawa et al., 1999).</div>
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<div class="spaceAbove nowrap">See: <a href="/medgen/90939">Condition Record</a></div></div>
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<div class="divPopper rprt" id="rdis_83284"><div><strong>Reis-Bucklers corneal dystrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>83284</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0339278</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Reis-Bucklers corneal dystrophy (CDRB) is an autosomal dominant disorder of the superficial corneal stroma that manifests as recurrent corneal erosions in early childhood. Affected individuals develop corneal opacities that result in significant visual impairment. Microscopically, CDRB may be differentiated from other forms of corneal dystrophy by confluent opacities in the Bowman layer and subepithelium, which are the product of extracellular bodies that stain red with Masson trichrome stain and appear as crystalloid rod-shaped bodies on transmission electron microscopy (summary by Tanhehco et al., 2006).</div>
|
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<div class="spaceAbove nowrap">See: <a href="/medgen/83284">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_87386"><div><strong>Cone monochromatism</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>87386</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0339537</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Blue cone (OPN1SW; 613522) monochromatism is a rare X-linked congenital stationary cone dysfunction syndrome characterized by the absence of functional long wavelength-sensitive and medium wavelength-sensitive cones in the retina. Color discrimination is severely impaired from birth, and vision is derived from the remaining preserved blue (S) cones and rod photoreceptors. BCM typically presents with reduced visual acuity, pendular nystagmus, and photophobia. Patients often have myopia (review by Gardner et al., 2009). There is evidence for progression of disease in some BCM families (Nathans et al., 1989; Ayyagari et al., 2000; Michaelides et al., 2005).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/87386">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_90991"><div><strong>Ocular albinism, type I</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>90991</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0342684</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Ocular albinism type I (OA1) is the most common form of ocular albinism. Clinical presentation of OA1 in Caucasians is characterized by nystagmus, impaired visual acuity, iris hypopigmentation with translucency, albinotic fundus, macular hypoplasia, and normally pigmented skin and hair. Carrier females usually have punctate iris translucency and a mottled pattern of fundus pigmentation. In contrast to Caucasian patients, black or Japanese patients with OA1 often have brown irides with little or no translucency and varying degrees of fundus hypopigmentation, the so-called 'nonalbinotic fundus' (summary by Xiao and Zhang, 2009).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/90991">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_91031"><div><strong>Irido-corneo-trabecular dysgenesis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>91031</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0344559</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Anterior segment dysgeneses (ASGD or ASMD) are a heterogeneous group of developmental disorders affecting the anterior segment of the eye, including the cornea, iris, lens, trabecular meshwork, and Schlemm canal. The clinical features of ASGD include iris hypoplasia, an enlarged or reduced corneal diameter, corneal vascularization and opacity, posterior embryotoxon, corectopia, polycoria, an abnormal iridocorneal angle, ectopia lentis, and anterior synechiae between the iris and posterior corneal surface (summary by Cheong et al., 2016). Anterior segment dysgenesis is sometimes divided into subtypes including aniridia (see 106210), Axenfeld and Rieger anomalies, iridogoniodysgenesis, Peters anomaly, and posterior embryotoxon (Gould and John, 2002). Patients with ASGD5 have been reported with the Peters anomaly, Axenfeld anomaly, and Rieger anomaly subtypes. Peters anomaly consists of a central corneal leukoma, absence of the posterior corneal stroma and Descemet membrane, and a variable degree of iris and lenticular attachments to the central aspect of the posterior cornea (Peters, 1906). It occurs as an isolated ocular abnormality or in association with other ocular defects. In Axenfeld anomaly, strands of iris tissue attach to the Schwalbe line; in Rieger anomaly, in addition to the attachment of iris tissue to the Schwalbe line, there is clinically evident iris stromal atrophy with hole or pseudo-hole formation and corectopia (summary by Smith and Traboulsi, 2012).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/91031">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_96563"><div><strong>Gillespie syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>96563</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0431401</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Gillespie syndrome (GLSP) is usually diagnosed in the first year of life by the presence of fixed dilated pupils in a hypotonic infant. Affected individuals have a characteristic form of iris hypoplasia in which the pupillary border of the iris exhibits a scalloped or 'festooned' edge, with iris strands extending onto the anterior lens surface at regular intervals. The key extraocular features of Gillespie syndrome are congenital hypotonia, progressive cerebellar hypoplasia, and ataxia, as well as variable cognitive impairment that is usually mild (summary by Gerber et al., 2016 and McEntagart et al., 2016).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/96563">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_99275"><div><strong>Epithelial basement membrane dystrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>99275</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0521723</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Epithelial basement membrane corneal dystrophy (EBMD) is a common bilateral epithelial dystrophy characterized mainly by sheet-like areas of basement membrane originating from the basal epithelial cells of the corneal epithelium and extending superficially into the epithelium. Slit lamp examination may reveal dots, maps, grayish epithelial fingerprint lines, blebs, nets, or any combination of these patterns. Histologic analysis shows abnormal redundant basement membrane and intraepithelial lacunae filled with cellular debris. Most patients are asymptomatic before the age of 30 years; some may have recurrent erosions, the frequency of which declines with age, and a loss of vision due to surface irregularity (summary by Boutboul et al., 2006).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/99275">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_108273"><div><strong>3-Methylglutaconic aciduria type 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>108273</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0574084</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Costeff syndrome is characterized by optic atrophy and/or choreoathetoid movement disorder with onset before age ten years. Optic atrophy is associated with progressive decrease in visual acuity within the first years of life, sometimes associated with infantile-onset horizontal nystagmus. Most individuals have chorea, often severe enough to restrict ambulation. Some are confined to a wheelchair from an early age. Although most individuals develop spastic paraparesis, mild ataxia, and occasional mild cognitive deficit in their second decade, the course of the disease is relatively stable.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/108273">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_147590"><div><strong>North Carolina macular dystrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>147590</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0730294</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">North Carolina macular dystrophy (NCMD, MCDR1) is a congenital autosomal dominant trait that appears to be completely penetrant. It is generally nonprogressive. The ophthalmoscopic findings are highly variable and are always much more dramatic than one would predict from the relatively good visual acuity level, which ranges from 20/20 to 20/400 (median, 20/60). Patients may have only a few drusen in the central macular region (grade I), confluent drusen confined to the central macular region (grade II), or a severe macular coloboma/staphyloma (grade III) involving 3 to 4 disc areas of the central macular region. Choroidal neovascular membranes develop in some patients. Color vision is normal. Electrophysiologic studies are also normal (summary by Small, 1998). Genetic Heterogeneity of Retinal Macular Dystrophy MCDR2 (608051) is caused by mutation in the PROM1 gene (604365) on chromosome 4p15. MCDR3 (608850) is caused by a duplication on chromosome 5p15. MCDR4 (619977) is caused by mutation in the CLEC3B gene (187520) on chromosome 3p21. MCDR5 (see 613660) is caused by mutation in the CDHR1 gene (609502) on chromosome 10q23. See MAPPING for possible additional loci for MCDR.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/147590">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_155549"><div><strong>Neuronal ceroid lipofuscinosis 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>155549</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0751383</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The neuronal ceroid lipofuscinoses (NCL; CLN) are a clinically and genetically heterogeneous group of neurodegenerative disorders characterized by the intracellular accumulation of autofluorescent lipopigment storage material in different patterns ultrastructurally. The clinical course includes progressive dementia, seizures, and progressive visual failure (Mole et al., 2005). The hallmark of CLN3 is the ultrastructural pattern of lipopigment with a 'fingerprint' profile, which can have 3 different appearances: pure within a lysosomal residual body; in conjunction with curvilinear or rectilinear profiles; and as a small component within large membrane-bound lysosomal vacuoles. The combination of fingerprint profiles within lysosomal vacuoles is a regular feature of blood lymphocytes from patients with CLN3 (Mole et al., 2005). For a general phenotypic description and a discussion of genetic heterogeneity of CLN, see CLN1 (256730).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/155549">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_162903"><div><strong>Deafness dystonia syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>162903</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0796074</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Males with deafness-dystonia-optic neuronopathy (DDON) syndrome have prelingual or postlingual sensorineural hearing impairment in early childhood, slowly progressive dystonia or ataxia in the teens, slowly progressive decreased visual acuity from optic atrophy beginning at approximately age 20 years, and dementia beginning at approximately age 40 years. Psychiatric symptoms such as personality change and paranoia may appear in childhood and progress. The hearing impairment appears to be consistent in age of onset and progression, whereas the neurologic, visual, and neuropsychiatric signs vary in degree of severity and rate of progression. Females may have mild hearing impairment and focal dystonia.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/162903">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_162924"><div><strong>Pettigrew syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>162924</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C0796254</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Pettigrew syndrome (PGS) is characterized by impaired intellectual development and highly variable additional features, including choreoathetosis, hydrocephalus, Dandy-Walker malformation, seizures, and iron or calcium deposition in the brain, both between and within families (summary by Cacciagli et al., 2014). See 311510 for another X-linked syndrome with impaired intellectual development and basal ganglia disease (Waisman syndrome). See 220219 for another impaired intellectual development syndrome with Dandy-Walker malformation.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/162924">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_698415"><div><strong>Autosomal recessive inherited pseudoxanthoma elasticum</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>698415</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1275116</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Pseudoxanthoma elasticum (PXE) is a systemic disorder that affects the elastic tissue of the skin, the eye, and vascular system. Individuals most commonly present with angioid streaks of the retina found on routine eye examination or associated with retinal hemorrhage and/or characteristic papules in the skin. The most frequent cause of morbidity and disability in PXE is reduced vision due to complications of subretinal neovascularizations and macular atrophy. Other manifestations include premature gastrointestinal angina and/or bleeding, intermittent claudication of arm and leg muscles, stroke, renovascular hypertension, and cardiovascular complications (angina/myocardial infarction). Most affected individuals live a normal life span.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/698415">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_220900"><div><strong>Avellino corneal dystrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>220900</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1275685</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Type II granular corneal dystrophy (GCDII) is a rare form of stromal corneal dystrophy (see this term) characterized by irregular-shaped well-demarcated granular deposits in the superficial central corneal stroma, and progressive visual impairment.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/220900">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_316921"><div><strong>Congenital hypotrichosis with juvenile macular dystrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>316921</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1832162</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Congenital hypotrichosis with juvenile macular dystrophy (HJMD) is an autosomal recessive disorder characterized by hair loss followed by progressive macular degeneration and early blindness. Scalp hair is lost during the first months of life, with onset of retinal degeneration and vision loss a few years to 2 decades later (summary by Sprecher et al., 2001 and Indelman et al., 2002).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/316921">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_330396"><div><strong>Facial dysmorphism-lens dislocation-anterior segment abnormalities-spontaneous filtering blebs syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>330396</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1832167</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Traboulsi syndrome is characterized by dislocated crystalline lenses and anterior segment abnormalities in association with a distinctive facies involving flat cheeks and a beaked nose. Some affected individuals develop highly unusual nontraumatic conjunctival cysts (filtering blebs), presumably caused by abnormal thinning of the sclera (Patel et al., 2014).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/330396">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_322083"><div><strong>Cone-rod dystrophy 5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>322083</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1832976</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cone-rod dystrophy-5 (CORD5) is characterized by reduced visual acuity, photophobia, and defective color vision. Most patients experience onset of symptoms in early childhood, with progression to legal blindness by early adulthood, although some patients exhibit a milder phenotype, with onset in the fourth or fifth decade of life (Kohn et al., 2007; Reinis et al., 2013). For a general phenotypic description and a discussion of genetic heterogeneity of cone-rod dystrophy, see 120970.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/322083">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_322281"><div><strong>Isolated optic nerve hypoplasia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>322281</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1833797</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare genetic optic nerve disorder characterized by visual impairment or blindness resulting from varying degrees of underdevelopment of the optic nerve or even complete absence of the optic nerve, ganglion cells, and central retinal vessels. It may be unilateral, typically with otherwise normal brain development, or bilateral with accompanying severe and widespread congenital malformations of the central nervous system.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/322281">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_371657"><div><strong>Optic atrophy 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>371657</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1833809</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal dominant optic atrophy and cataract is an eye disorder that is characterized by impaired vision. Most affected individuals have decreased sharpness of vision (visual acuity) from birth, while others begin to experience vision problems in early childhood or later. In affected individuals, both eyes are usually affected equally. However, the severity of the vision loss varies widely, even among affected members of the same family, ranging from nearly normal vision to complete blindness.\n\nSeveral abnormalities contribute to impaired vision in people with autosomal dominant optic atrophy and cataract. In the early stages of the condition, affected individuals experience a progressive loss of certain cells within the retina, which is a specialized light-sensitive tissue that lines the back of the eye. The loss of these cells (known as retinal ganglion cells) is followed by the degeneration (atrophy) of the nerves that relay visual information from the eyes to the brain (optic nerves), which contributes to vision loss. Atrophy of these nerves causes an abnormally pale appearance (pallor) of the optic nerves, which can be seen only during an eye examination. Most people with this disorder also have clouding of the lenses of the eyes (cataracts). This eye abnormality can develop anytime but typically appears in childhood. Other common eye problems in autosomal dominant optic atrophy and cataract include involuntary movements of the eyes (nystagmus), or problems with color vision (color vision deficiency) that make it difficult or impossible to distinguish between shades of blue and green.\n\nSome people with autosomal dominant optic atrophy and cataract develop disturbances in the function of other nerves (neuropathy) besides the optic nerves. These disturbances can lead to problems with balance and coordination (cerebellar ataxia), an unsteady style of walking (gait), prickling or tingling sensations (paresthesias) in the arms and legs, progressive muscle stiffness (spasticity), or rhythmic shaking (tremors). In some cases, affected individuals have hearing loss caused by abnormalities of the inner ear (sensorineural deafness).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/371657">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_331657"><div><strong>Nystagmus 2, congenital, autosomal dominant</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>331657</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1834079</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Classic congenital or infantile nystagmus presents as conjugate, horizontal oscillations of the eyes, in primary or eccentric gaze, often with a preferred head turn or tilt. Other associated features may include mildly decreased visual acuity, strabismus, astigmatism, and occasionally head nodding. Eye movement recordings reveal that infantile nystagmus is predominantly a horizontal jerk waveform, with a diagnostic accelerating velocity slow phase. However, pendular and triangular waveforms may also be present. The nystagmus may rarely be vertical. As these patients often have normal visual acuity, it is presumed that the nystagmus represents a primary defect in the parts of the brain responsible for ocular motor control; thus the disorder has sometimes been termed 'congenital motor nystagmus' (Tarpey et al., 2006; Shiels et al., 2007). For a discussion of genetic heterogeneity of congenital nystagmus, see NYS1 (310700).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/331657">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_320323"><div><strong>Retinitis pigmentosa 27</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>320323</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1834329</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the NRL gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/320323">Condition Record</a></div></div>
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||
<div class="divPopper rprt" id="rdis_320559"><div><strong>Microcephaly with or without chorioretinopathy, lymphedema, or intellectual disability</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>320559</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1835265</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Microcephaly with or without chorioretinopathy, lymphedema, or impaired intellectual development (MCLMR) is an autosomal dominant disorder that involves an overlapping but variable spectrum of central nervous system and ocular developmental anomalies. Microcephaly ranges from mild to severe and is often associated with mild to moderate developmental delay and a characteristic facial phenotype with upslanting palpebral fissures, broad nose with rounded tip, long philtrum with thin upper lip, prominent chin, and prominent ears. Chorioretinopathy is the most common eye abnormality, but retinal folds, microphthalmia, and myopic and hypermetropic astigmatism have also been reported, and some individuals have no overt ocular phenotype. Congenital lymphedema, when present, is typically confined to the dorsa of the feet, and lymphoscintigraphy reveals the absence of radioactive isotope uptake from the webspaces between the toes (summary by Ostergaard et al., 2012). Robitaille et al. (2014) found that MCLMR includes a broader spectrum of ocular disease, including retinal detachment with avascularity of the peripheral retina, and noted phenotypic overlap with familial exudative vitreoretinopathy (FEVR; see EVR1, 133780). Birtel et al. (2017) observed intrafamilial and intraindividual variability in retinal phenotype, and noted that syndromic manifestations in some patients are too subtle to be detected during a routine ophthalmologic evaluation. Variable expressivity and reduced penetrance have also been observed in some families (Jones et al., 2014; Li et al., 2016). Autosomal recessive forms of microcephaly with chorioretinopathy have been reported (see 251270). See also Mirhosseini-Holmes-Walton syndrome (autosomal recessive microcephaly with pigmentary retinopathy and impaired intellectual development; 268050).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/320559">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_332081"><div><strong>Cone dystrophy with supernormal rod response</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>332081</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1835897</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cone dystrophy with supernormal rod responses (CDSRR) is characterized by onset in the first or second decade of life of very marked photophobia, myopia, reduced color vision along the red-green axis with relatively preserved tritan discrimination, and central scotomata with peripheral widespread sensitivity loss predominating in the superior visual field. Nyctalopia is a later feature of the disorder. There is often retinal pigment epithelium disturbance at the macula with a normal retinal periphery. Autofluorescence (AF) imaging shows either a perifoveal ring or a central macular area of relative increased AF (summary by Michaelides et al., 2005).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/332081">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_322781"><div><strong>Retinitis pigmentosa 32</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>322781</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1835927</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A retinitis pigmentosa that has material basis in variation in the chromosome region 1p21.3-p13.3.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/322781">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_322978"><div><strong>Posterior polymorphous corneal dystrophy 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>322978</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1836724</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Posterior polymorphous corneal dystrophy-3 (PPCD3) is a rare disorder involving metaplasia and overgrowth of corneal endothelial cells (Krafchak et al., 2005). In patients with PPCD, these cells manifest in an epithelial morphology and gene expression pattern, produce an aberrant basement membrane, and sometimes spread over the iris and nearby structures in a way that increases the risk for glaucoma. Symptoms range from very aggressive to asymptomatic and nonprogressive, even within the same family. The age of diagnosis is most often in the second or third decade of life. PPCD3 is often associated with corneal steepening, and some patients may be diagnosed with keratoconus before PPCD (Fernandez-Gutierrez et al., 2023). Retrocorneal membranes have been reported, sometimes extending onto the lens (Moroi et al., 2003). For a discussion of genetic heterogeneity of posterior polymorphous corneal dystrophy, see PPCD1 (122000).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/322978">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_332348"><div><strong>Patterned macular dystrophy 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>332348</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1837029</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Butterfly-shaped pigmentary macular dystrophy is an autosomal dominant eye disease characterized by bilateral accumulation of pigment in the macular area that resembles the wings of a butterfly (summary by van Lith-Verhoeven et al., 2003). For a general phenotypic description and a discussion of genetic heterogeneity of patterned macular dystrophy, see 169150.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/332348">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_324684"><div><strong>Spondylometaphyseal dysplasia-cone-rod dystrophy syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>324684</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1837073</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spondylometaphyseal dysplasia with cone-rod dystrophy (SMDCRD) is characterized by postnatal growth deficiency resulting in profound short stature, rhizomelia with bowing of the lower extremities, platyspondyly with anterior vertebral protrusions, progressive metaphyseal irregularity and cupping with shortened tubular bones, and early-onset progressive visual impairment associated with a pigmentary maculopathy and electroretinographic evidence of cone-rod dysfunction (summary by Hoover-Fong et al., 2014). Yamamoto et al. (2014) reviewed 16 reported cases of SMDCRD, noting that all affected individuals presented uniform skeletal findings, with rhizomelia and bowed lower limbs observed in the first year of life, whereas retinal dystrophy had a more variable age of onset. There was severe disproportionate short stature, with a final height of less than 100 cm; scoliosis was usually mild. Visual loss was progressive, with stabilization in adolescence.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/324684">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_324696"><div><strong>Myopia 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>324696</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1837148</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Myopia, or nearsightedness, is a refractive error of the eye. Light rays from a distant object are focused in front of the retina and those from a near object are focused in the retina; therefore distant objects are blurry and near objects are clear (summary by Kaiser et al., 2004). For a discussion of genetic heterogeneity of susceptibility to myopia, see 160700.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/324696">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_373347"><div><strong>Spinocerebellar ataxia type 25</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>373347</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1837518</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia-25 (SCA25) is an autosomal dominant neurologic disorder characterized by the onset of lower limb ataxia resulting in gait difficulties in the first few decades of life, although later onset has been reported. Affected individuals often have upper limb involvement, dysarthria, scoliosis, abnormal eye movements, and sensory neuropathy with decreased reflexes. Some patients have sensorineural hearing loss. Brain imaging shows cerebellar atrophy. There is incomplete penetrance and variable expressivity, even within families (Barbier et al., 2022). For a general discussion of autosomal dominant spinocerebellar ataxia, see SCA1 (164400).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/373347">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_325277"><div><strong>Leber congenital amaurosis 9</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>325277</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1837873</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Early-onset neurodegeneration in the human retina can lead to Leber congenital amaurosis (LCA), the most severe human form of inherited photoreceptor-neuron degeneration resulting in congenital blindness, with an incidence of approximately 1 in 80,000 (summary by Koenekoop et al., 2012). NMNAT1 mutations have been observed to cause severe and rapidly progressive macular degeneration, leading to severe central atrophy with an appearance of congenital macular coloboma in the neonatal period, as well as an unusual early-onset atrophy of the optic nerve (Perrault et al., 2012). Some patients present with later onset and milder phenotype than typical LCA (Kumaran et al., 2021). For a general discussion of the phenotypic and genetic heterogeneity in Leber congenital amaurosis, see LCA1 (204000).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/325277">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_332989"><div><strong>Corneal dystrophy, lattice type 3A</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>332989</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1837974</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Lattice corneal dystrophy type IIIA (CDL3A) is an autosomal dominant condition characterized by amyloid accumulation in the corneal stroma. It is clinically manifest as the presence of thick ropy lattice lines in the cornea. Recurrent erosions are common. Onset occurs between 70 and 90 years of age (Yamamoto et al., 1998).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/332989">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_325055"><div><strong>Retinitis pigmentosa 11</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>325055</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1838601</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinitis pigmentosa (RP) is a clinically and genetically heterogeneous group of retinal dystrophies characterized by a progressive degeneration of photoreceptors, eventually resulting in severe visual impairment. For a discussion of genetic heterogeneity of RP, see 268000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/325055">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_325056"><div><strong>Retinitis pigmentosa 14</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>325056</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1838603</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the TULP1 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/325056">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_333146"><div><strong>Stargardt disease 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>333146</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1838644</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Stargardt disease-3 (STGD3) is an autosomal dominant juvenile macular dystrophy with onset most commonly in the second decade of life. Fundus examination reveals macular pigmentary changes and yellow flecks. Fluorescein angiography shows macular retinal pigment epithelium (RPE) defects (Bernstein et al., 2001; Maugeri et al., 2004).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/333146">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_374019"><div><strong>Retinitis pigmentosa 12</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>374019</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1838647</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the CRB1 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/374019">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_333352"><div><strong>Nystagmus 1, congenital, X-linked</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>333352</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1839580</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">FRMD7-related infantile nystagmus (FIN) is characterized by either the onset of horizontal, conjugate, gaze-dependent nystagmus in the first six months of life or periodic alternating nystagmus (with cyclical changes of nystagmus direction) of infantile onset. Binocular vision and color vision are normal and visual acuity is typically better than 6/12. An abnormal head posture is seen in approximately 15% of affected individuals. The eyes are structurally normal and electrophysiologic studies (e.g., visual evoked potential, electroretinogram) are normal. Affected females report slightly better visual acuity than affected males; however, no differences between males and females in the amplitude, frequency, and waveform of nystagmus are observed.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/333352">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_326698"><div><strong>Leber congenital amaurosis 11</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>326698</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1840284</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Leber congenital amaurosis comprises a group of early-onset childhood retinal dystrophies characterized by vision loss, nystagmus, and severe retinal dysfunction. Patients usually present at birth with profound vision loss and pendular nystagmus. Electroretinogram (ERG) responses are usually nonrecordable. Other clinical findings may include high hypermetropia, photodysphoria, oculodigital sign, keratoconus, cataracts, and a variable appearance to the fundus (summary by Chung and Traboulsi, 2009). For a general description and a discussion of genetic heterogeneity of LCA, see 204000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/326698">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_327093"><div><strong>Hyperostosis cranialis interna</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>327093</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1840404</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hyperostosis cranialis interna (HCIN) is a bone disorder characterized by endosteal hyperostosis and osteosclerosis of the calvaria and the skull base. The progressive bone overgrowth causes entrapment and dysfunction of cranial nerves I, II, V, VII, and VIII (Waterval et al., 2010).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/327093">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_374873"><div><strong>Nystagmus 3, congenital, autosomal dominant</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>374873</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1842186</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Classic congenital or infantile nystagmus presents as conjugate, horizontal oscillations of the eyes, in primary or eccentric gaze, often with a preferred head turn or tilt. Other associated features may include mildly decreased visual acuity, strabismus, astigmatism, and occasionally head nodding. Eye movement recordings reveal that infantile nystagmus is predominantly a horizontal jerk waveform, with a diagnostic accelerating velocity slow phase. However, pendular and triangular waveforms may also be present. The nystagmus may rarely be vertical. As these patients often have normal visual acuity, it is presumed that the nystagmus represents a primary defect in the parts of the brain responsible for ocular motor control; thus the disorder has sometimes been termed 'congenital motor nystagmus' (Tarpey et al., 2006; Shiels et al., 2007). For a discussion of genetic heterogeneity of congenital nystagmus, see NYS1 (310700).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/374873">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_374912"><div><strong>Hermansky-Pudlak syndrome 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>374912</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1842362</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hermansky-Pudlak syndrome (HPS) is characterized by oculocutaneous albinism, a bleeding diathesis, and, in some individuals, pulmonary fibrosis, granulomatous colitis, and/or immunodeficiency. Ocular findings include nystagmus, reduced iris pigment, reduced retinal pigment, foveal hypoplasia with significant reduction in visual acuity (usually in the range of 20/50 to 20/400), and strabismus in many individuals. Hair color ranges from white to brown; skin color ranges from white to olive and is usually at least a shade lighter than that of other family members. The bleeding diathesis can result in variable degrees of bruising, epistaxis, gingival bleeding, postpartum hemorrhage, colonic bleeding, and prolonged bleeding with menses or after tooth extraction, circumcision, and/or other surgeries. Pulmonary fibrosis, colitis, and/or neutropenia have been reported in individuals with pathogenic variants in some HPS-related genes. Pulmonary fibrosis, a restrictive lung disease, typically causes symptoms in the early 30s and can progress to death within a decade. Granulomatous colitis is severe in about 15% of affected individuals. Neutropenia and/or immune defects occur primarily in individuals with pathogenic variants in AP3B1 and AP3D1.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/374912">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_334280"><div><strong>Adult-onset foveomacular vitelliform dystrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>334280</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1842914</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Adult-onset foveomacular vitelliform dystrophy, also known as adult vitelliform macular dystrophy, adult-type foveomacular dystrophy, adult vitelliform macular degeneration, pseudovitelliform macular degeneration, and adult-onset foveomacular pigment epithelial dystrophy, is characterized by a solitary, oval, slightly elevated yellowish subretinal lesion of the fovea that is similar in appearance to the vitelliform or egg-yolk stage of Best disease (153700). Initially the yellow lesion may be present in only one eye. The size is generally one-third to one disc diameter, and small yellow flecks are seen in the paracentral lesion. Patients usually become symptomatic in the fourth or fifth decade of life with a protracted decrease of visual acuity and mild metamorphopsia. Electrooculographic testing reveals a normal or only slightly reduced Arden ratio, which is intensely abnormal in Best disease. The prognosis is optimistic, as most patients retain reading vision throughout life (Felbor et al., 1997; Yamaguchi et al., 2001). For a discussion of genetic heterogeneity of vitelliform macular dystrophy, see VMD1 (153840).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/334280">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_334840"><div><strong>Newfoundland cone-rod dystrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>334840</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1843815</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Newfoundland rod-cone dystrophy (NFRCD) is a severe retinal dystrophy in which night blindness is present from infancy. Progressive loss of peripheral, central, and color vision begins in childhood and results in severe visual loss by the second to fourth decade of life (Eichers et al., 2002).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/334840">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_337030"><div><strong>Exudative vitreoretinopathy 2, X-linked</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>337030</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1844579</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Familial exudative vitreoretinopathy (FEVR) is an inherited disorder characterized by the incomplete development of the retinal vasculature. Its clinical appearance varies considerably, even within families, with severely affected patients often registered as blind during infancy, whereas mildly affected patients with few or no visual problems may have such a small area of avascularity in their peripheral retina that it is visible only by fluorescein angiography. It is believed that this peripheral avascularity is the primary anomaly in FEVR and results from defective retinal angiogenesis. The sight-threatening features of the FEVR phenotype are considered secondary to retinal avascularity and develop because of the resulting retinal ischemia; they include the development of hyperpermeable blood vessels, neovascularization, vitreoretinal traction, retinal folds, and retinal detachments (summary by Poulter et al., 2010). For a discussion of genetic heterogeneity of FEVR, see EVR1 (133780).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/337030">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_336777"><div><strong>X-linked cone-rod dystrophy 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>336777</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1844776</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">X-linked cone-rod dystrophy is a rare, progressive visual disorder primarily affecting cone photoreceptors (Demirci et al., 2002). Affected individuals, essentially all of whom are males, present with decreased visual acuity, myopia, photophobia, abnormal color vision, full peripheral visual fields, decreased photopic electroretinographic responses, and granularity of the macular retinal pigment epithelium. The degree of rod photoreceptor involvement is variable, with increasing degeneration. Although penetrance appears to be nearly 100%, there is variable expressivity with respect to age at onset, severity of symptoms, and findings (Hong et al., 1994). Genetic Heterogeneity of X-linked Cone-Rod Dystrophy Additional forms of X-linked cone-rod dystrophy include CORDX2 (300085), mapped to chromosome Xq27, and CORDX3 (300476), caused by mutation in the CACNA1F gene (300110) on chromosome Xp11.23. For a discussion of autosomal forms of cone-rod dystrophy, see CORD2 (120970).</div>
|
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<div class="spaceAbove nowrap">See: <a href="/medgen/336777">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_336932"><div><strong>X-linked cone-rod dystrophy 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>336932</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1845407</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cone-rod dystrophy is a retinal disorder with predominantly cone involvement. Rod impairment may occur at the same time as the cone impairment or appear later. Patients with CORD usually have reduced visual acuity, photophobia, and color vision defects (summary by Huang et al., 2013). For a discussion of genetic heterogeneity of X-linked cone-rod dystrophy, see 304020.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/336932">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_336999"><div><strong>Retinitis pigmentosa 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>336999</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1845667</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">X-linked retinitis pigmentosa (XLRP) is a severe form of inherited retinal degeneration that primarily affects the rod photoreceptors (Demirci et al., 2002). It typically causes an early-onset night blindness and loss of peripheral vision, often causing patients to become legally blind by the age of 30 to 40 years. In RP3, affected males have a severe phenotype, and carrier females show a wide spectrum of clinical features ranging from completely asymptomatic to severe RP (Jin et al., 2007). Mutation in the RPGR gene is believed to account for approximately 70% of XLRP (Vervoort et al., 2000). For a discussion of genetic heterogeneity of retinitis pigmentosa, see 268000.</div>
|
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<div class="spaceAbove nowrap">See: <a href="/medgen/336999">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_376145"><div><strong>Intellectual disability-obesity-prognathism-eye and skin anomalies syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>376145</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1847522</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare genetic syndromic intellectual disability disorder with characteristics of mild to profound intellectual disability, delayed speech, obesity, ocular anomalies (blepharophimosis, blepharoptosis, hyperopic astigmatism, decreased visual acuity, strabismus, abducens nerve palsy, and/or accommodative esotropia), and dermal manifestations, such as chronic atopic dermatitis. Associated craniofacial dysmorphism includes macrocephaly, maxillary hypoplasia, mandibular prognathism and crowding of teeth.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/376145">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_376299"><div><strong>Congenital stationary night blindness 2A</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>376299</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1848172</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">X-linked congenital stationary night blindness (CSNB) is characterized by non-progressive retinal findings of reduced visual acuity ranging from 20/30 to 20/200; defective dark adaptation; refractive error, most typically myopia ranging from low (-0.25 diopters [D] to -4.75 D) to high (=-10.00 D) but occasionally hyperopia; nystagmus; strabismus; normal color vision; and normal fundus examination. Characteristic ERG findings can help distinguish between complete X-linked CSNB and incomplete X-linked CSNB.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/376299">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_341256"><div><strong>Cobalamin C disease</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>341256</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1848561</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Disorders of intracellular cobalamin metabolism have a variable phenotype and age of onset that are influenced by the severity and location within the pathway of the defect. The prototype and best understood phenotype is cblC; it is also the most common of these disorders. The age of initial presentation of cblC spans a wide range: In utero with fetal presentation of nonimmune hydrops, cardiomyopathy, and intrauterine growth restriction. Newborns, who can have microcephaly, poor feeding, and encephalopathy. Infants, who can have poor feeding and slow growth, neurologic abnormality, and, rarely, hemolytic uremic syndrome (HUS). Toddlers, who can have poor growth, progressive microcephaly, cytopenias (including megaloblastic anemia), global developmental delay, encephalopathy, and neurologic signs such as hypotonia and seizures. Adolescents and adults, who can have neuropsychiatric symptoms, progressive cognitive decline, thromboembolic complications, and/or subacute combined degeneration of the spinal cord.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/341256">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_341387"><div><strong>Hereditary spastic paraplegia 15</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>341387</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1849128</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic paraplegia 15 (SPG15), typically an early-onset complex hereditary spastic paraplegia, is characterized by progressive spasticity that begins in the lower extremities and is associated with several manifestations resulting from central and peripheral nervous system dysfunction. While onset of spasticity is typically in mid- to late childhood or adolescence (i.e., between ages 5 and 18 years), other manifestations, such as developmental delay or learning disability, may be present earlier, often preceding motor involvement. Individuals with adult onset have also been reported.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/341387">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_343561"><div><strong>Exudative vitreoretinopathy 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>343561</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1851402</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Familial exudative vitreoretinopathy (FEVR) is an inherited disorder characterized by the incomplete development of the retinal vasculature. Its clinical appearance varies considerably, even within families, with severely affected patients often registered as blind during infancy, whereas mildly affected patients with few or no visual problems may have such a small area of avascularity in their peripheral retina that it is visible only by fluorescein angiography. It is believed that this peripheral avascularity is the primary anomaly in FEVR and results from defective retinal angiogenesis. The sight-threatening features of the FEVR phenotype are considered secondary to retinal avascularity and develop because of the resulting retinal ischemia; they include the development of hyperpermeable blood vessels, neovascularization, vitreoretinal traction, retinal folds, and retinal detachments (summary by Poulter et al., 2010). In 31 Chinese pedigrees clinically diagnosed with FEVR, Rao et al. (2017) analyzed 6 FEVR-associated genes and identified mutations in 12 of the probands, including 5 (16.1%) in LRP5, 3 (9.7%) in NDP, 2 (6.5%) in FZD4, and 1 (3.2%) in TSPAN12. In addition, a mutation in the KIF11 gene (148760) was identified in a patient who also exhibited microcephaly (MCLMR; 152950). The authors noted that their detection rate did not exceed 50%, suggesting that other FEVR-associated genes remained to be discovered. Genetic Heterogeneity of Familial Exudative Vitreoretinopathy Also see EVR2 (305390), caused by mutation in the NDP gene (300658) on Xp11; EVR3 (605750), mapped to 11p13-p12; EVR4 (601813), caused by mutations in the LRP5 gene (603506) on 11q13.4; EVR5 (613310), caused by mutation in the TSPAN12 gene (613138) on 7q31; EVR6 (616468), caused by mutation in the ZNF408 gene (616454) on 11p11; and EVR7 (617572), caused by mutation in the CTNNB1 gene (116806) on 3p22.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/343561">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_339002"><div><strong>Renal coloboma syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>339002</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1852759</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">PAX2-related disorder is an autosomal dominant disorder associated with renal and eye abnormalities. The disorder was originally referred to as renal coloboma syndrome and characterized by renal hypodysplasia and abnormalities of the optic nerve; with improved access to molecular testing, a wider range of phenotypes has been recognized in association with pathogenic variants in PAX2. Abnormal renal structure or function is noted in 92% of affected individuals and ophthalmologic abnormalities in 77% of affected individuals. Renal abnormalities can be clinically silent in rare individuals. In most individuals, clinically significant renal insufficiency / renal failure is reported. End-stage renal disease requiring renal transplant is not uncommon. Uric acid nephrolithiasis has been reported. Ophthalmologic abnormalities are typically described as optic nerve coloboma or dysplasia. Iris colobomas have not been reported in any individual with PAX2–related disorder. Ophthalmologic abnormalities may significantly impair vision in some individuals, while others have subtle changes only noted after detailed ophthalmologic examination. Additional clinical findings include high-frequency sensorineural hearing loss, soft skin, and ligamentous laxity. PAX2 pathogenic variants have been identified in multiple sporadic and familial cases of nonsyndromic renal disease including renal hypodysplasia and focal segmental glomerulosclerosis.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/339002">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_339931"><div><strong>Retinitis pigmentosa 35</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>339931</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1853214</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinitis pigmentosa-35 (RP35) is characterized by night blindness with progressive loss of vision. Pigment deposits and narrowing of vasculature are seen in the retina (Abid et al., 2006). For a general phenotypic description and a discussion of genetic heterogeneity of retinitis pigmentosa, see 268000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/339931">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_339935"><div><strong>Congenital primary aphakia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>339935</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1853230</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Anterior segment dysgeneses are a heterogeneous group of developmental disorders affecting the anterior segment of the eye, including the cornea, iris, lens, trabecular meshwork, and Schlemm canal. The clinical features of ASGD include iris hypoplasia, an enlarged or reduced corneal diameter, corneal vascularization and opacity, posterior embryotoxon, corectopia, polycoria, an abnormal iridocorneal angle, ectopia lentis, and anterior synechiae between the iris and posterior corneal surface (summary by Cheong et al., 2016). Anterior segment dysgenesis is sometimes divided into subtypes, including aniridia (see 106210), Axenfeld and Rieger anomalies, iridogoniodysgenesis, Peters anomaly, and posterior embryotoxon (Gould and John, 2002). Some patients with ASGD2 have been reported with a congenital primary aphakia subtype. Congenital primary aphakia is a rare developmental disorder characterized by absence of the lens, the development of which is normally induced during the fourth to fifth week of human embryogenesis. This original failure leads, in turn, to complete aplasia of the anterior segment of the eye, which is the diagnostic histologic criterion for CPAK. In contrast, in secondary aphakia, lens induction occurs and the lens vesicle develops to some degree, but is progressively resorbed perinatally, resulting in less severe ocular defects (summary by Valleix et al., 2006).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/339935">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_344184"><div><strong>Exudative vitreoretinopathy 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>344184</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1854002</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Familial exudative vitreoretinopathy (FEVR) is an inherited disorder characterized by the incomplete development of the retinal vasculature. Its clinical appearance varies considerably, even within families, with severely affected patients often registered as blind during infancy, whereas mildly affected patients with few or no visual problems may have such a small area of avascularity in their peripheral retina that it is visible only by fluorescein angiography. It is believed that this peripheral avascularity is the primary anomaly in FEVR and results from defective retinal angiogenesis. The sight-threatening features of the FEVR phenotype are considered secondary to retinal avascularity and develop because of the resulting retinal ischemia; they include the development of hyperpermeable blood vessels, neovascularization, vitreoretinal traction, retinal folds, and retinal detachments (summary by Poulter et al., 2010). For a discussion of genetic heterogeneity of familial exudative vitreoretinopathy, see EVR1 (133780).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/344184">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_344245"><div><strong>Leber congenital amaurosis 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>344245</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1854260</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Leber congenital amaurosis comprises a group of early-onset childhood retinal dystrophies characterized by vision loss, nystagmus, and severe retinal dysfunction. Patients usually present at birth with profound vision loss and pendular nystagmus. Electroretinogram (ERG) responses are usually nonrecordable. Other clinical findings may include high hypermetropia, photodysphoria, oculodigital sign, keratoconus, cataracts, and a variable appearance to the fundus (summary by Chung and Traboulsi, 2009). For a general description and a discussion of genetic heterogeneity of LCA, see 204000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/344245">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_383962"><div><strong>Friedreich ataxia 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>383962</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1856689</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Typical Friedreich ataxia (FRDA) is characterized by progressive ataxia with onset from early childhood to early adulthood with mean age at onset from 10 to 15 years (range: age two years to the eighth decade). Ataxia, manifesting initially as poor balance when walking, is typically followed by upper-limb ataxia, dysarthria, dysphagia, peripheral motor and sensory neuropathy, spasticity, autonomic disturbance, and often abnormal eye movements and optic atrophy. Hypertrophic cardiomyopathy is present in about two thirds of individuals; occasionally it is diagnosed prior to the onset of ataxia. Diabetes mellitus and impaired glucose tolerance can also occur. Among individuals with FRDA, about 75% have "typical Friedreich ataxia" and about 25% of individuals with biallelic FXN full-penetrance GAA repeat expansions have "atypical Friedreich ataxia" that includes late-onset FRDA (LOFA) (i.e., onset after age 25 years), very late-onset FRDA (VLOFA) (i.e., onset after age 40 years), and FRDA with retained reflexes (FARR).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/383962">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_387858"><div><strong>Corneal dystrophy-perceptive deafness syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>387858</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1857572</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Harboyan syndrome, or corneal dystrophy and perceptive deafness (CDPD), consists of congenital corneal endothelial dystrophy and progressive sensorineural deafness, and is transmitted as an autosomal recessive trait (summary by Desir et al., 2007).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/387858">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_346616"><div><strong>Cornea plana 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>346616</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1857574</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cornea plana is clinically characterized by reduced corneal curvature leading in most cases to hyperopia, hazy corneal limbus, and arcus lipoides at an early age. CNA2 is a severe form of the disorder, which is frequently associated with additional ocular manifestations (summary by Tahvanainen et al., 1996). For discussion of genetic heterogeneity of CNA, see CNA1 (121400).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/346616">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_387867"><div><strong>Achromatopsia 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>387867</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1857618</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Achromatopsia is characterized by reduced visual acuity, pendular nystagmus, increased sensitivity to light (photophobia), a small central scotoma, eccentric fixation, and reduced or complete loss of color discrimination. All individuals with achromatopsia (achromats) have impaired color discrimination along all three axes of color vision corresponding to the three cone classes: the protan or long-wavelength-sensitive cone axis (red), the deutan or middle-wavelength-sensitive cone axis (green), and the tritan or short-wavelength-sensitive cone axis (blue). Most individuals have complete achromatopsia, with total lack of function of all three types of cones. Rarely, individuals have incomplete achromatopsia, in which one or more cone types may be partially functioning. The manifestations are similar to those of individuals with complete achromatopsia, but generally less severe. Hyperopia is common in achromatopsia. Nystagmus develops during the first few weeks after birth followed by increased sensitivity to bright light. Best visual acuity varies with severity of the disease; it is 20/200 or less in complete achromatopsia and may be as high as 20/80 in incomplete achromatopsia. Visual acuity is usually stable over time; both nystagmus and sensitivity to bright light may improve slightly. Although the fundus is usually normal, macular changes (which may show early signs of progression) and vessel narrowing may be present in some affected individuals. Defects in the macula are visible on optical coherence tomography.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/387867">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_387907"><div><strong>Senior-Loken syndrome 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>387907</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1857779</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Senior-Loken syndrome-6 (SLSN6) is an autosomal recessive disorder characterized by the association of nephronophthisis resulting in end-stage renal disease in the second decade of life with retinal degeneration (Sayer et al., 2006). For a phenotypic description and a discussion of genetic heterogeneity of Senior-Loken syndrome, see 266900.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/387907">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_347545"><div><strong>Joubert syndrome 5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>347545</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1857780</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Classic Joubert syndrome (JS) is characterized by three primary findings: A distinctive cerebellar and brain stem malformation called the molar tooth sign (MTS). Hypotonia. Developmental delays. Often these findings are accompanied by episodic tachypnea or apnea and/or atypical eye movements. In general, the breathing abnormalities improve with age, truncal ataxia develops over time, and acquisition of gross motor milestones is delayed. Cognitive abilities are variable, ranging from severe intellectual disability to normal. Additional findings can include retinal dystrophy, renal disease, ocular colobomas, occipital encephalocele, hepatic fibrosis, polydactyly, oral hamartomas, and endocrine abnormalities. Both intra- and interfamilial variation are seen.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/347545">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_341851"><div><strong>MORM syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>341851</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1857802</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Impaired intellectual development, truncal obesity, retinal dystrophy, and micropenis syndrome (MORMS) is an autosomal recessive disorder characterized by these findings (Hampshire et al., 2006).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/341851">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_346808"><div><strong>Leber congenital amaurosis 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>346808</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1858386</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive childhood-onset severe retinal dystrophy is a heterogeneous group of disorders affecting rod and cone photoreceptors simultaneously. The most severe cases are termed Leber congenital amaurosis (LCA), whereas the less aggressive forms are usually considered juvenile retinitis pigmentosa (Gu et al., 1997). Various intermediate phenotypes between LCA and retinitis pigmentosa are known and are sometimes described as 'early-onset severe rod-cone dystrophy' or 'early-onset retinal degeneration' (Booij et al., 2005). For a general phenotypic description and a discussion of genetic heterogeneity of Leber congenital amaurosis, see LCA1 (204000); for retinitis pigmentosa, see 268000; for cone-rod dystrophy, see 120970.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/346808">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_347895"><div><strong>Bietti crystalline corneoretinal dystrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>347895</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1859486</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Bietti crystalline dystrophy (BCD) is a chorioretinal degeneration characterized by the presence of yellow-white crystals and/or complex lipid deposits in the retina and (to a variable degree) the cornea. Progressive atrophy and degeneration of the retinal pigment epithelium (RPE) / choroid lead to symptoms similar to those of other forms of retinal degeneration that fall under the category of retinitis pigmentosa and allied disorders, namely: reduced visual acuity, poor night vision, abnormal retinal electrophysiology, visual field loss, and often impaired color vision. Marked asymmetry between eyes is not uncommon. Onset is typically during the second to third decade of life, but ranges from the early teenage years to beyond the third decade. With time, loss of peripheral visual field, central acuity, or both result in legal blindness in most if not all affected individuals.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/347895">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_348473"><div><strong>Leber congenital amaurosis 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>348473</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1859844</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">RPE65-related Leber congenital amaurosis / early-onset severe retinal dystrophy (RPE65-LCA/EOSRD) is a severe inherited retinal degeneration (IRD) with a typical presentation between birth and age five years. While central vision varies, the hallmark of this disorder is the presence of severe visual impairment with a deceptively preserved retinal structure. Vision is relatively stable in the first decade of life, but begins to decline in adolescence. Most affected individuals are legally blind (visual acuity 20/200 and/or visual fields extending <20 degrees from fixation) by age 20 years. After age 20 years, visual acuity declines further and by the fourth decade all affected individuals are legally blind and many have complete loss of vision (i.e., no light perception). Milder disease phenotypes have been described in individuals with hypomorphic alleles.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/348473">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_355004"><div><strong>Stargardt disease 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>355004</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1863534</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Stargardt disease (STGD) is the most common hereditary macular dystrophy and is characterized by decreased central vision, atrophy of the macula and underlying retinal pigment epithelium, and frequent presence of prominent flecks in the posterior pole of the retina. STGD is most commonly inherited as an autosomal recessive trait (see 248200), but STGD4 is inherited as an autosomal dominant trait (summary by Kniazeva et al., 1999). For a general phenotypic description and a discussion of genetic heterogeneity of Stargardt disease, see STGD1 (248200).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/355004">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_355308"><div><strong>Retinal cone dystrophy 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>355308</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1864849</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any cone dystrophy in which the cause of the disease is a mutation in the CACNA2D4 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/355308">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_355864"><div><strong>Retinal cone dystrophy 3A</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>355864</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1864900</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Achromatopsia is characterized by reduced visual acuity, pendular nystagmus, increased sensitivity to light (photophobia), a small central scotoma, eccentric fixation, and reduced or complete loss of color discrimination. All individuals with achromatopsia (achromats) have impaired color discrimination along all three axes of color vision corresponding to the three cone classes: the protan or long-wavelength-sensitive cone axis (red), the deutan or middle-wavelength-sensitive cone axis (green), and the tritan or short-wavelength-sensitive cone axis (blue). Most individuals have complete achromatopsia, with total lack of function of all three types of cones. Rarely, individuals have incomplete achromatopsia, in which one or more cone types may be partially functioning. The manifestations are similar to those of individuals with complete achromatopsia, but generally less severe. Hyperopia is common in achromatopsia. Nystagmus develops during the first few weeks after birth followed by increased sensitivity to bright light. Best visual acuity varies with severity of the disease; it is 20/200 or less in complete achromatopsia and may be as high as 20/80 in incomplete achromatopsia. Visual acuity is usually stable over time; both nystagmus and sensitivity to bright light may improve slightly. Although the fundus is usually normal, macular changes (which may show early signs of progression) and vessel narrowing may be present in some affected individuals. Defects in the macula are visible on optical coherence tomography.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/355864">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_355338"><div><strong>Autosomal recessive nonsyndromic hearing loss 55</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>355338</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1864962</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">An autosomal recessive nonsyndromic deafness that has material basis in variation in the chromosome region 4q12-q13.2.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/355338">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_355339"><div><strong>Autosomal recessive nonsyndromic hearing loss 47</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>355339</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1864964</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">An autosomal recessive nonsyndromic deafness that has material basis in variation in the chromosome region 2p25.1-p24.3.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/355339">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_400728"><div><strong>Colobomatous macrophthalmia-microcornea syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>400728</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1865286</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Colobomatous macrophthalmia with microcornea (MACOM) is an autosomal dominant eye malformation characterized by microcornea with increased axial length, coloboma of the iris and optic disc, and severe myopia (summary by Beleggia et al., 2015).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/400728">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_356104"><div><strong>Cone dystrophy 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>356104</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1865869</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Progressive cone dystrophy usually presents in childhood or early adult life, with many patients developing rod photoreceptor involvement in later life, thereby leading to considerable overlap between progressive cone dystrophy and cone-rod dystrophy. Both progressive cone dystrophy and cone-rod dystrophy have been associated with mutation in the GUCA1A gene (Michaelides et al., 2006). Intrafamilial variability in GUCA1A-associated macular disease ranges from mild photoreceptor degeneration to central areolar choroidal dystrophy (CACD), a form of retinal degeneration that primarily involves the macula and is characterized by a well-defined atrophic region of retinal pigment epithelium and choriocapillaris in the latest stage (Chen et al., 2017).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/356104">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_356171"><div><strong>Exudative vitreoretinopathy 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>356171</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1866176</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Familial exudative vitreoretinopathy (FEVR) is an inherited disorder characterized by the incomplete development of the retinal vasculature. Its clinical appearance varies considerably, even within families, with severely affected patients often registered as blind during infancy, whereas mildly affected patients with few or no visual problems may have such a small area of avascularity in their peripheral retina that it is visible only by fluorescein angiography. It is believed that this peripheral avascularity is the primary anomaly in FEVR and results from defective retinal angiogenesis. The sight-threatening features of the FEVR phenotype are considered secondary to retinal avascularity and develop because of the resulting retinal ischemia; they include the development of hyperpermeable blood vessels, neovascularization, vitreoretinal traction, retinal folds, and retinal detachments (summary by Poulter et al., 2010). For a discussion of genetic heterogeneity of familial exudative vitreoretinopathy, see EVR1 (133780).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/356171">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_400963"><div><strong>Cone-rod dystrophy 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>400963</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1866293</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">There are more than 30 types of cone-rod dystrophy, which are distinguished by their genetic cause and their pattern of inheritance: autosomal recessive, autosomal dominant, and X-linked. Additionally, cone-rod dystrophy can occur alone without any other signs and symptoms or it can occur as part of a syndrome that affects multiple parts of the body.\n\nThe first signs and symptoms of cone-rod dystrophy, which often occur in childhood, are usually decreased sharpness of vision (visual acuity) and increased sensitivity to light (photophobia). These features are typically followed by impaired color vision (dyschromatopsia), blind spots (scotomas) in the center of the visual field, and partial side (peripheral) vision loss. Over time, affected individuals develop night blindness and a worsening of their peripheral vision, which can limit independent mobility. Decreasing visual acuity makes reading increasingly difficult and most affected individuals are legally blind by mid-adulthood. As the condition progresses, individuals may develop involuntary eye movements (nystagmus).\n\nCone-rod dystrophy is a group of related eye disorders that causes vision loss, which becomes more severe over time. These disorders affect the retina, which is the layer of light-sensitive tissue at the back of the eye. In people with cone-rod dystrophy, vision loss occurs as the light-sensing cells of the retina gradually deteriorate.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/400963">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_400996"><div><strong>Retinitis pigmentosa 19</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>400996</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1866422</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the ABCA4 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/400996">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_357247"><div><strong>Retinitis pigmentosa 10</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>357247</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1867299</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinitis pigmentosa-10 (RP10) is characterized in most patients by early onset and rapid progression of ocular symptoms, beginning with night blindness in childhood, followed by visual field constriction. Some patients experience an eventual reduction in visual acuity. Funduscopy shows typical changes of RP, including optic disc pallor, retinal vascular attenuation, and bone-spicule pattern of pigmentary deposits in the retinal midperiphery. Electroretinography demonstrates equal reduction in rod and cone responses (Jordan et al., 1993; Bowne et al., 2002; Bowne et al., 2006). For a general phenotypic description and a discussion of genetic heterogeneity of retinitis pigmentosa, see 268000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/357247">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_357280"><div><strong>Pseudoxanthoma elasticum, forme fruste</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>357280</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1867450</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Pseudoxanthoma elasticum (PXE) is a systemic disorder that affects the elastic tissue of the skin, the eye, and vascular system. Individuals most commonly present with angioid streaks of the retina found on routine eye examination or associated with retinal hemorrhage and/or characteristic papules in the skin. The most frequent cause of morbidity and disability in PXE is reduced vision due to complications of subretinal neovascularizations and macular atrophy. Other manifestations include premature gastrointestinal angina and/or bleeding, intermittent claudication of arm and leg muscles, stroke, renovascular hypertension, and cardiovascular complications (angina/myocardial infarction). Most affected individuals live a normal life span.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/357280">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_361814"><div><strong>Congenital stationary night blindness autosomal dominant 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>361814</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1876182</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any congenital stationary night blindness in which the cause of the disease is a mutation in the PDE6B gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/361814">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_370593"><div><strong>Familial cavitary optic disk anomaly</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>370593</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1969063</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare genetic eye disease with characteristics of congenital profound excavation of the optic nerve head with diminished visual field, in the absence of elevated intraocular pressure. Many patients lack a well-formed retinal artery and have multiple radial cilioretinal arteries instead. The condition is mostly bilateral, may worsen progressively, and is often complicated by serous macular detachment with profound visual loss.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/370593">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_370750"><div><strong>Spastic ataxia 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>370750</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1969796</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spastic ataxia-2 (SPAX2) is a neurologic disorder characterized by onset in the first 2 decades of cerebellar ataxia, dysarthria, and variable spasticity of the lower limbs. Cognition is not affected (summary by Dor et al., 2014). For a discussion of genetic heterogeneity of spastic ataxia, see SPAX1 (108600).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/370750">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_409919"><div><strong>Glaucoma 1, open angle, H</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>409919</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1969811</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Open angle glaucoma-1H (GLC1H) is characterized by elevated intraocular pressures (IOPs) associated with visual field and optic nerve abnormalities. In some families, affected members present mostly in the 'juvenile-onset' (JOAG) age range (between 3 and 35 to 40 years of age), whereas in other families, affected individuals present mostly in the 'adult-onset' (POAG) age range (after age 35 or 40 years). Patients with early-onset disease generally have a more severe presentation, with higher IOPs and higher likelihood of being blind in at least 1 eye (summary by Mackay et al., 2015; Collantes et al., 2022). For a general phenotypic description and a discussion of genetic heterogeneity of primary open angle glaucoma (POAG), see 137760.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/409919">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_410004"><div><strong>Retinitis pigmentosa 37</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>410004</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1970163</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the NR2E3 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/410004">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_410021"><div><strong>Isolated microphthalmia 5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>410021</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C1970236</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Microphthalmia-retinitis pigmentosa-foveoschisis-optic disc drusen syndrome is a rare, genetic, non-syndromic developmental defect of the eye disorder characterized by the association of posterior microphthalmia, retinal dystrophy compatible with retinitis pigmentosa, localized foveal schisis and optic disc drusen. Patients present high hyperopia, usually adult-onset progressive nyctalopia and reduced visual acuity, and, on occasion, acute-angle glaucoma.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/410021">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_382544"><div><strong>Leber congenital amaurosis 13</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>382544</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2675186</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Leber congenital amaurosis, also known as LCA, is an eye disorder that is present from birth (congenital). This condition primarily affects the retina, which is the specialized tissue at the back of the eye that detects light and color. People with this disorder typically have severe visual impairment beginning at birth or shortly afterward. The visual impairment tends to be severe and may worsen over time.\n\nLeber congenital amaurosis is also associated with other vision problems, including an increased sensitivity to light (photophobia), involuntary movements of the eyes (nystagmus), and extreme farsightedness (hyperopia). The pupils, which usually expand and contract in response to the amount of light entering the eye, do not react normally to light. Instead, they expand and contract more slowly than normal, or they may not respond to light at all.\n\nA specific behavior called Franceschetti's oculo-digital sign is characteristic of Leber congenital amaurosis. This sign consists of affected individuals poking, pressing, and rubbing their eyes with a knuckle or finger. Poking their eyes often results in the sensation of flashes of light called phosphenes. Researchers suspect that this behavior may contribute to deep-set eyes in affected children.\n\nIn very rare cases, delayed development and intellectual disability have been reported in people with the features of Leber congenital amaurosis. Because of the visual loss, affected children may become isolated. Providing children with opportunities to play, hear, touch, understand and other early educational interventions may prevent developmental delays in children with Leber congenital amaurosis.\n\nAt least 20 genetic types of Leber congenital amaurosis have been described. The types are distinguished by their genetic cause, patterns of vision loss, and related eye abnormalities.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/382544">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_393334"><div><strong>Cone-rod dystrophy 12</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>393334</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2675210</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cone-rod dystrophy is a group of related eye disorders that causes vision loss, which becomes more severe over time. These disorders affect the retina, which is the layer of light-sensitive tissue at the back of the eye. In people with cone-rod dystrophy, vision loss occurs as the light-sensing cells of the retina gradually deteriorate.\n\nThe first signs and symptoms of cone-rod dystrophy, which often occur in childhood, are usually decreased sharpness of vision (visual acuity) and increased sensitivity to light (photophobia). These features are typically followed by impaired color vision (dyschromatopsia), blind spots (scotomas) in the center of the visual field, and partial side (peripheral) vision loss. Over time, affected individuals develop night blindness and a worsening of their peripheral vision, which can limit independent mobility. Decreasing visual acuity makes reading increasingly difficult and most affected individuals are legally blind by mid-adulthood. As the condition progresses, individuals may develop involuntary eye movements (nystagmus).\n\nThere are more than 30 types of cone-rod dystrophy, which are distinguished by their genetic cause and their pattern of inheritance: autosomal recessive, autosomal dominant, and X-linked. Additionally, cone-rod dystrophy can occur alone without any other signs and symptoms or it can occur as part of a syndrome that affects multiple parts of the body.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/393334">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_383145"><div><strong>RFT1-congenital disorder of glycosylation</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>383145</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2677590</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Congenital disorders of glycosylation (CDGs) are a genetically heterogeneous group of autosomal recessive disorders caused by enzymatic defects in the synthesis and processing of asparagine (N)-linked glycans or oligosaccharides on glycoproteins. Type I CDGs comprise defects in the assembly of the dolichol lipid-linked oligosaccharide (LLO) chain and its transfer to the nascent protein. These disorders can be identified by a characteristic abnormal isoelectric focusing profile of plasma transferrin (Leroy, 2006). For a discussion of the classification of CDGs, see CDG1A (212065).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/383145">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_411553"><div><strong>Vitelliform macular dystrophy 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>411553</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2745945</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Bestrophinopathies, the spectrum of ophthalmic disorders caused by pathogenic variants in BEST1, are typically characterized by retinal degeneration. The four recognized phenotypes are the three autosomal dominant disorders: Best vitelliform macular dystrophy (BVMD), BEST1 adult-onset vitelliform macular dystrophy (AVMD), and autosomal dominant vitreoretinochoroidopathy (ADVIRC); and autosomal recessive bestrophinopathy (ARB). Onset is usually in the first decade (except AVMD in which onset is age 30 to 50 years). Slow visual deterioration is the usual course. Choroidal neovascularization can occur in rare cases. ADVIRC is also associated with panophthalmic involvement including nanophthalmos, microcornea, hyperopia, and narrow anterior chamber angle with angle closure glaucoma.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/411553">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_440765"><div><strong>Peroxisome biogenesis disorder 9B</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>440765</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2749346</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Adult Refsum disease (ARD is associated with elevated plasma phytanic acid levels, late childhood-onset (or later) retinitis pigmentosa, and variable combinations of anosmia, polyneuropathy, deafness, ataxia, and ichthyosis. Onset of symptoms ranges from age seven months to older than age 50 years. Cardiac arrhythmia and heart failure caused by cardiomyopathy are potentially severe health problems that develop later in life.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/440765">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_442375"><div><strong>Leber congenital amaurosis 14</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>442375</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2750063</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive childhood-onset severe retinal dystrophy is a heterogeneous group of disorders affecting rod and cone photoreceptors simultaneously. The most severe cases are termed Leber congenital amaurosis, whereas the less aggressive forms are usually considered juvenile retinitis pigmentosa (Gu et al., 1997). For a general phenotypic description and a discussion of genetic heterogeneity of Leber congenital amaurosis, see LCA1 (204000); for retinitis pigmentosa, see 268000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/442375">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_412872"><div><strong>Exudative vitreoretinopathy 5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>412872</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2750079</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Familial exudative vitreoretinopathy is an inherited blinding disorder caused by defects in the development of retinal vasculature. There is extensive variation in disease severity among patients, even between members of the same family. Severely affected individuals often are registered as blind during infancy and can present with a phenotype resembling retinal dysplasia. Conversely, mildly affected individuals frequently have few or no visual problems and may have just a small area of avascularity in their peripheral retina, detectable only by fluorescein angiography (summary by Poulter et al., 2012). For a discussion of genetic heterogeneity of familial exudative vitreoretinopathy (FEVR), see EVR1 (133780).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/412872">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_442478"><div><strong>Corneal dystrophy, Fuchs endothelial, 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>442478</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2750448</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Fuchs endothelial corneal dystrophy (FECD) is the most common genetic disorder of the corneal endothelium. Late-onset FECD is marked by thickening of Descemets membrane and excrescences, called guttae, that typically appear in the fourth or fifth decade. Disease progression results in decreased visual acuity as a result of increasing corneal edema, and end-stage disease is marked by painful epithelial bullae (summary by Riazuddin et al., 2013). Patients with keratoconus have been observed (Lechner et al., 2013). For a discussion of genetic heterogeneity of Fuchs endothelial corneal dystrophy, see FECD1 (136800).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/442478">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_413025"><div><strong>Cone-rod dystrophy 13</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>413025</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2750720</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">There are more than 30 types of cone-rod dystrophy, which are distinguished by their genetic cause and their pattern of inheritance: autosomal recessive, autosomal dominant, and X-linked. Additionally, cone-rod dystrophy can occur alone without any other signs and symptoms or it can occur as part of a syndrome that affects multiple parts of the body.\n\nThe first signs and symptoms of cone-rod dystrophy, which often occur in childhood, are usually decreased sharpness of vision (visual acuity) and increased sensitivity to light (photophobia). These features are typically followed by impaired color vision (dyschromatopsia), blind spots (scotomas) in the center of the visual field, and partial side (peripheral) vision loss. Over time, affected individuals develop night blindness and a worsening of their peripheral vision, which can limit independent mobility. Decreasing visual acuity makes reading increasingly difficult and most affected individuals are legally blind by mid-adulthood. As the condition progresses, individuals may develop involuntary eye movements (nystagmus).\n\nCone-rod dystrophy is a group of related eye disorders that causes vision loss, which becomes more severe over time. These disorders affect the retina, which is the layer of light-sensitive tissue at the back of the eye. In people with cone-rod dystrophy, vision loss occurs as the light-sensing cells of the retina gradually deteriorate.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/413025">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_416373"><div><strong>Congenital stationary night blindness 1C</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>416373</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2750747</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The vision problems associated with this condition are congenital, which means they are present from birth. They tend to remain stable (stationary) over time.\n\nAutosomal recessive congenital stationary night blindness is a disorder of the retina, which is the specialized tissue at the back of the eye that detects light and color. People with this condition typically have difficulty seeing and distinguishing objects in low light (night blindness). For example, they may not be able to identify road signs at night or see stars in the night sky. They also often have other vision problems, including loss of sharpness (reduced acuity), nearsightedness (myopia), involuntary movements of the eyes (nystagmus), and eyes that do not look in the same direction (strabismus).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/416373">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_442563"><div><strong>Retinitis pigmentosa 50</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>442563</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2750789</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the BEST1 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/442563">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_416518"><div><strong>Cone dystrophy 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>416518</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2751308</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Achromatopsia is characterized by reduced visual acuity, pendular nystagmus, increased sensitivity to light (photophobia), a small central scotoma, eccentric fixation, and reduced or complete loss of color discrimination. All individuals with achromatopsia (achromats) have impaired color discrimination along all three axes of color vision corresponding to the three cone classes: the protan or long-wavelength-sensitive cone axis (red), the deutan or middle-wavelength-sensitive cone axis (green), and the tritan or short-wavelength-sensitive cone axis (blue). Most individuals have complete achromatopsia, with total lack of function of all three types of cones. Rarely, individuals have incomplete achromatopsia, in which one or more cone types may be partially functioning. The manifestations are similar to those of individuals with complete achromatopsia, but generally less severe. Hyperopia is common in achromatopsia. Nystagmus develops during the first few weeks after birth followed by increased sensitivity to bright light. Best visual acuity varies with severity of the disease; it is 20/200 or less in complete achromatopsia and may be as high as 20/80 in incomplete achromatopsia. Visual acuity is usually stable over time; both nystagmus and sensitivity to bright light may improve slightly. Although the fundus is usually normal, macular changes (which may show early signs of progression) and vessel narrowing may be present in some affected individuals. Defects in the macula are visible on optical coherence tomography.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/416518">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_414112"><div><strong>Autosomal recessive optic atrophy, OPA7 type</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>414112</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2751812</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare, syndromic, hereditary optic neuropathy disorder characterized by early-onset, severe, progressive visual impairment, optic disc pallor and central scotoma, variably associated with dyschromatopsia, auditory neuropathy (e.g. mild progressive sensorineural hearing loss), sensorimotor axonal neuropathy and, occasionally, moderate hypertrophic cardiomyopathy.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/414112">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_442864"><div><strong>Retinitis pigmentosa 42</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>442864</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2751986</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the KLHL7 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/442864">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_418932"><div><strong>Ramos-Arroyo syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>418932</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2930866</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">An extremely rare genetic disorder characterized by corneal anesthesia, retinal abnormalities, bilateral hearing loss, distinct facies, patent ductus arteriosus, Hirschsprung disease, short stature and intellectual disability. The phenotype is variable. Some affected individuals have only mild disease manifestations. The etiology of this syndrome is not yet known. Mutations in an as of yet unidentified gene, involved in autonomic nervous system function, are suspected. Follows an autosomal dominant pattern of inheritance, probably with variable expressivity.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/418932">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_419735"><div><strong>Nephropathic cystinosis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>419735</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2931187</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cystinosis comprises three allelic phenotypes: Nephropathic cystinosis in untreated children is characterized by renal Fanconi syndrome, poor growth, hypophosphatemic/calcipenic rickets, impaired glomerular function resulting in complete glomerular failure, and accumulation of cystine in almost all cells, leading to cellular dysfunction with tissue and organ impairment. The typical untreated child has short stature, rickets, and photophobia. Failure to thrive is generally noticed after approximately age six months; signs of renal tubular Fanconi syndrome (polyuria, polydipsia, dehydration, and acidosis) appear as early as age six months; corneal crystals can be present before age one year and are always present after age 16 months. Prior to the use of renal transplantation and cystine-depleting therapy, the life span in nephropathic cystinosis was no longer than ten years. With these interventions, affected individuals can survive at least into the mid-forties or fifties with satisfactory quality of life. Intermediate cystinosis is characterized by all the typical manifestations of nephropathic cystinosis, but onset is at a later age. Renal glomerular failure occurs in all untreated affected individuals, usually between ages 15 and 25 years. The non-nephropathic (ocular) form of cystinosis is characterized clinically only by photophobia resulting from corneal cystine crystal accumulation.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/419735">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_419026"><div><strong>Leber congenital amaurosis 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>419026</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2931258</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Leber congenital amaurosis, also known as LCA, is an eye disorder that is present from birth (congenital). This condition primarily affects the retina, which is the specialized tissue at the back of the eye that detects light and color. People with this disorder typically have severe visual impairment beginning at birth or shortly afterward. The visual impairment tends to be severe and may worsen over time.\n\nLeber congenital amaurosis is also associated with other vision problems, including an increased sensitivity to light (photophobia), involuntary movements of the eyes (nystagmus), and extreme farsightedness (hyperopia). The pupils, which usually expand and contract in response to the amount of light entering the eye, do not react normally to light. Instead, they expand and contract more slowly than normal, or they may not respond to light at all.\n\nA specific behavior called Franceschetti's oculo-digital sign is characteristic of Leber congenital amaurosis. This sign consists of affected individuals poking, pressing, and rubbing their eyes with a knuckle or finger. Poking their eyes often results in the sensation of flashes of light called phosphenes. Researchers suspect that this behavior may contribute to deep-set eyes in affected children.\n\nIn very rare cases, delayed development and intellectual disability have been reported in people with the features of Leber congenital amaurosis. Because of the visual loss, affected children may become isolated. Providing children with opportunities to play, hear, touch, understand and other early educational interventions may prevent developmental delays in children with Leber congenital amaurosis.\n\nAt least 20 genetic types of Leber congenital amaurosis have been described. The types are distinguished by their genetic cause, patterns of vision loss, and related eye abnormalities.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/419026">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_422452"><div><strong>Bardet-Biedl syndrome 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>422452</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C2936862</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Bardet-Biedl syndrome is an autosomal recessive and genetically heterogeneous ciliopathy characterized by retinitis pigmentosa, obesity, kidney dysfunction, polydactyly, behavioral dysfunction, and hypogonadism (summary by Beales et al., 1999). Eight proteins implicated in the disorder assemble to form the BBSome, a stable complex involved in signaling receptor trafficking to and from cilia (summary by Scheidecker et al., 2014). Genetic Heterogeneity of Bardet-Biedl Syndrome BBS2 (615981) is caused by mutation in a gene on 16q13 (606151); BBS3 (600151), by mutation in the ARL6 gene on 3q11 (608845); BBS4 (615982), by mutation in a gene on 15q22 (600374); BBS5 (615983), by mutation in a gene on 2q31 (603650); BBS6 (605231), by mutation in the MKKS gene on 20p12 (604896); BBS7 (615984), by mutation in a gene on 4q27 (607590); BBS8 (615985), by mutation in the TTC8 gene on 14q32 (608132); BBS9 (615986), by mutation in a gene on 7p14 (607968); BBS10 (615987), by mutation in a gene on 12q21 (610148); BBS11 (615988), by mutation in the TRIM32 gene on 9q33 (602290); BBS12 (615989), by mutation in a gene on 4q27 (610683); BBS13 (615990), by mutation in the MKS1 gene (609883) on 17q23; BBS14 (615991), by mutation in the CEP290 gene (610142) on 12q21, BBS15 (615992), by mutation in the WDPCP gene (613580) on 2p15; BBS16 (615993), by mutation in the SDCCAG8 gene (613524) on 1q43; BBS17 (615994), by mutation in the LZTFL1 gene (606568) on 3p21; BBS18 (615995), by mutation in the BBIP1 gene (613605) on 10q25; BBS19 (615996), by mutation in the IFT27 gene (615870) on 22q12; BBS20 (619471), by mutation in the IFT172 gene (607386) on 9p21; BBS21 (617406), by mutation in the CFAP418 gene (614477) on 8q22; and BBS22 (617119), by mutation in the IFT74 gene (608040) on 9p21. The CCDC28B gene (610162) modifies the expression of BBS phenotypes in patients who have mutations in other genes. Mutations in MKS1, MKS3 (TMEM67; 609884), and C2ORF86 also modify the expression of BBS phenotypes in patients who have mutations in other genes. Although BBS had originally been thought to be a recessive disorder, Katsanis et al. (2001) demonstrated that clinical manifestation of some forms of Bardet-Biedl syndrome requires recessive mutations in 1 of the 6 loci plus an additional mutation in a second locus. While Katsanis et al. (2001) called this 'triallelic inheritance,' Burghes et al. (2001) suggested the term 'recessive inheritance with a modifier of penetrance.' Mykytyn et al. (2002) found no evidence of involvement of the common BBS1 mutation in triallelic inheritance. However, Fan et al. (2004) found heterozygosity in a mutation of the BBS3 gene (608845.0002) as an apparent modifier of the expression of homozygosity of the met390-to-arg mutation in the BBS1 gene (209901.0001). Allelic disorders include nonsyndromic forms of retinitis pigmentosa: RP51 (613464), caused by TTC8 mutation, and RP55 (613575), caused by ARL6 mutation.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/422452">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_462065"><div><strong>Retinitis pigmentosa 51</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462065</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3150715</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the TTC8 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/462065">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_462154"><div><strong>Chromosome 2p12-p11.2 deletion syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462154</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3150804</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/462154">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_462169"><div><strong>Retinitis pigmentosa 56</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462169</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3150819</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinitis pigmentosa-56 (RP56) is an early-onset form of RP with progressive visual-field loss and deterioration of visual acuity (Bandah-Rozenfeld et al., 2010). For a general phenotypic description and a discussion of genetic heterogeneity of retinitis pigmentosa, see 268000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/462169">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_462171"><div><strong>Retinitis pigmentosa 57</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462171</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3150821</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the PDE6G gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/462171">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_462351"><div><strong>Retinitis pigmentosa 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462351</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3151001</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the RHO gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/462351">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_462409"><div><strong>Retinitis pigmentosa 49</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462409</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3151059</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinitis pigmentosa-49 (RP49) is characterized by onset of night blindness in childhood, followed by progressive loss of visual fields and reduced visual acuity. Typical fundus features are present, including pale optic disc, attenuated vasculature, and pigment deposits in the midperiphery (Zhang et al., 2004; Katagiri et al., 2014). For a general phenotypic description and a discussion of genetic heterogeneity of retinitis pigmentosa, see 268000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/462409">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_462552"><div><strong>Leber congenital amaurosis 8</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462552</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3151202</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Leber congenital amaurosis comprises a group of early-onset childhood retinal dystrophies characterized by vision loss, nystagmus, and severe retinal dysfunction. Patients usually present at birth with profound vision loss and pendular nystagmus. Electroretinogram (ERG) responses are usually nonrecordable. Other clinical findings may include high hypermetropia, photodysphoria, oculodigital sign, keratoconus, cataracts, and a variable appearance to the fundus (summary by Chung and Traboulsi, 2009). For a general description and a discussion of genetic heterogeneity of LCA, see 204000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/462552">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_462556"><div><strong>Leber congenital amaurosis 15</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462556</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3151206</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive childhood-onset severe retinal dystrophy is a heterogeneous group of disorders affecting rod and cone photoreceptors simultaneously. The most severe cases are termed Leber congenital amaurosis, whereas the less aggressive forms are usually considered juvenile retinitis pigmentosa (summary by Gu et al., 1997). Mutation in TULP1 can also cause a form of autosomal recessive retinitis pigmentosa (RP14; 600132). For a general phenotypic description and a discussion of the genetic heterogeneity of Leber congenital amaurosis, see LCA1 (204000); for retinitis pigmentosa, see 268000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/462556">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_462577"><div><strong>Retinitis pigmentosa 59</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462577</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3151227</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the DHDDS gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/462577">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_462784"><div><strong>Retinitis pigmentosa 60</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462784</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3151434</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the PRPF6 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/462784">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_462967"><div><strong>Anterior segment dysgenesis 7</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462967</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3151617</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Anterior segment dysgeneses (ASGD or ASMD) are a heterogeneous group of developmental disorders affecting the anterior segment of the eye, including the cornea, iris, lens, trabecular meshwork, and Schlemm canal. The clinical features of ASGD include iris hypoplasia, an enlarged or reduced corneal diameter, corneal vascularization and opacity, posterior embryotoxon, corectopia, polycoria, an abnormal iridocorneal angle, ectopia lentis, and anterior synechiae between the iris and posterior corneal surface (summary by Cheong et al., 2016). In sclerocornea there is congenital, nonprogressive corneal opacification that may be peripheral, sectoral, or central in location. Visual prognosis is related to the central corneal involvement. The cornea has a flat curvature. The majority of cases are bilateral (summary by Smith and Traboulsi, 2012). Isolated sclerocornea is caused by displacement of the limbal arcades and may be associated with cornea plana; in this condition, the anterior chamber is visible and the eye is not microphthalmic. In complex sclerocornea, however, corneal opacification is associated with microphthalmia, cataract, and/or infantile glaucoma. The central cornea is usually relatively clear, but the thickness is normal or increased, never reduced (summary by Nischal, 2007).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/462967">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_463102"><div><strong>Nystagmus 6, congenital, X-linked</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>463102</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3151752</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Classic congenital or infantile nystagmus presents as conjugate, horizontal oscillations of the eyes, in primary or eccentric gaze, often with a preferred head turn or tilt. Other associated features may include mildly decreased visual acuity, strabismus, astigmatism, and occasionally head nodding. Eye movement recordings reveal that infantile nystagmus is predominantly a horizontal jerk waveform, with a diagnostic accelerating velocity slow phase. However, pendular and triangular waveforms may also be present. The nystagmus may rarely be vertical. As these patients often have normal visual acuity, it is presumed that the nystagmus represents a primary defect in the parts of the brain responsible for ocular motor control; thus the disorder has sometimes been termed 'congenital motor nystagmus' (Tarpey et al., 2006; Shiels et al., 2007). For a discussion of genetic heterogeneity of congenital nystagmus, see NYS1 (310700).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/463102">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_463134"><div><strong>Macular degeneration, X-linked atrophic</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>463134</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3151784</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/463134">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_478179"><div><strong>Optic atrophy with or without deafness, ophthalmoplegia, myopathy, ataxia, and neuropathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>478179</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3276549</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Syndromic optic atrophy, also known as DOA+ syndrome, is a neurologic disorder characterized most commonly by an insidious onset of visual loss and sensorineural hearing loss in childhood with variable presentation of other clinical manifestations including progressive external ophthalmoplegia (PEO), muscle cramps, hyperreflexia, and ataxia. There appears to be a wide range of intermediate phenotypes (Yu-Wai-Man et al., 2010).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/478179">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_481386"><div><strong>Hermansky-Pudlak syndrome 7</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>481386</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3279756</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hermansky-Pudlak syndrome (HPS) is characterized by oculocutaneous albinism, a bleeding diathesis, and, in some individuals, pulmonary fibrosis, granulomatous colitis, and/or immunodeficiency. Ocular findings include nystagmus, reduced iris pigment, reduced retinal pigment, foveal hypoplasia with significant reduction in visual acuity (usually in the range of 20/50 to 20/400), and strabismus in many individuals. Hair color ranges from white to brown; skin color ranges from white to olive and is usually at least a shade lighter than that of other family members. The bleeding diathesis can result in variable degrees of bruising, epistaxis, gingival bleeding, postpartum hemorrhage, colonic bleeding, and prolonged bleeding with menses or after tooth extraction, circumcision, and/or other surgeries. Pulmonary fibrosis, colitis, and/or neutropenia have been reported in individuals with pathogenic variants in some HPS-related genes. Pulmonary fibrosis, a restrictive lung disease, typically causes symptoms in the early 30s and can progress to death within a decade. Granulomatous colitis is severe in about 15% of affected individuals. Neutropenia and/or immune defects occur primarily in individuals with pathogenic variants in AP3B1 and AP3D1.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/481386">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_481672"><div><strong>Retinitis pigmentosa 62</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>481672</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3280042</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the MAK gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/481672">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_481692"><div><strong>Leber congenital amaurosis 16</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>481692</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3280062</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Leber congenital amaurosis, also known as LCA, is an eye disorder that is present from birth (congenital). This condition primarily affects the retina, which is the specialized tissue at the back of the eye that detects light and color. People with this disorder typically have severe visual impairment beginning at birth or shortly afterward. The visual impairment tends to be severe and may worsen over time.\n\nLeber congenital amaurosis is also associated with other vision problems, including an increased sensitivity to light (photophobia), involuntary movements of the eyes (nystagmus), and extreme farsightedness (hyperopia). The pupils, which usually expand and contract in response to the amount of light entering the eye, do not react normally to light. Instead, they expand and contract more slowly than normal, or they may not respond to light at all.\n\nA specific behavior called Franceschetti's oculo-digital sign is characteristic of Leber congenital amaurosis. This sign consists of affected individuals poking, pressing, and rubbing their eyes with a knuckle or finger. Poking their eyes often results in the sensation of flashes of light called phosphenes. Researchers suspect that this behavior may contribute to deep-set eyes in affected children.\n\nIn very rare cases, delayed development and intellectual disability have been reported in people with the features of Leber congenital amaurosis. Because of the visual loss, affected children may become isolated. Providing children with opportunities to play, hear, touch, understand and other early educational interventions may prevent developmental delays in children with Leber congenital amaurosis.\n\nAt least 20 genetic types of Leber congenital amaurosis have been described. The types are distinguished by their genetic cause, patterns of vision loss, and related eye abnormalities.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/481692">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_481729"><div><strong>Craniofacial anomalies and anterior segment dysgenesis syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>481729</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3280099</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/481729">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_481743"><div><strong>LAMB2-related infantile-onset nephrotic syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>481743</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3280113</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Nephrotic syndrome type 5 (NPHS5) is an autosomal recessive disorder characterized by very early onset of progressive renal failure manifest as proteinuria with consecutive edema starting in utero or within the first 3 months of life. A subset of patients may develop mild ocular anomalies, such as myopia, nystagmus, and strabismus (summary by Hasselbacher et al., 2006). For a general phenotypic description and a discussion of genetic heterogeneity of nephrotic syndrome, see NPHS1 (256300).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/481743">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_481988"><div><strong>Wolfram-like syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>481988</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3280358</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">WFS1 spectrum disorder (WFS1-SD) comprises classic WFS1 spectrum disorder and nonclassic WFS1 spectrum disorder. Classic WFS1-SD, a progressive neurodegenerative disorder, is characterized by onset of diabetes mellitus and optic atrophy before age 16 years. Additional complications may include one or more of the following: variable hearing impairment / deafness, diabetes insipidus, neurologic abnormalities, neurogenic bladder, and psychiatric abnormalities. Nonclassic WFS1-SD is less common than classic WFS1-SD. Phenotypes that appear to be milder than classic WFS1-SD include: optic atrophy and hearing impairment; neonatal diabetes, profound congenital deafness, and cataracts; isolated diabetes mellitus; isolated congenital cataracts; and isolated congenital, slowly progressive, and low-frequency (<2000 Hz) sensorineural hearing loss.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/481988">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_482022"><div><strong>EDICT syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>482022</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3280392</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">EDICT syndrome is an autosomal dominant syndromal anterior segment dysgenesis characterized by endothelial dystrophy, iris hypoplasia, congenital cataract, and thinning of the corneal stroma (Iliff et al., 2012). Syndromes with overlapping features have been reported, including cornea guttata with anterior polar cataracts (121390) and congenital corneal opacities, cornea guttata, and corectopia (608484).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/482022">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_482675"><div><strong>Cone-rod dystrophy 16</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>482675</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3281045</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cone-rod dystrophy (CORD) and retinitis pigmentosa (RP) are clinically and genetically overlapping heterogeneous retinal dystrophies. RP is characterized initially by rod photoreceptor dysfunction, giving rise to night blindness, which is followed by progressive rod and cone photoreceptor dystrophy, resulting in midperipheral vision loss, tunnel vision, and sometimes blindness. In contrast to RP, CORD is characterized by a primary loss of cone photoreceptors and subsequent or simultaneous loss of rod photoreceptors. The disease in most cases becomes apparent during primary-school years, and symptoms include photoaversion, decrease in visual acuity with or without nystagmus, color vision defects, and decreased sensitivity of the central visual field. Because rods are also involved, night blindness and peripheral vision loss can occur. The diagnosis of CORD is mainly based on electroretinogram (ERG) recordings, in which cone responses are more severely reduced than, or equally as reduced as rod responses (summary by Estrada-Cuzcano et al., 2012).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/482675">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_482845"><div><strong>Congenital stationary night blindness 1E</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>482845</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3281215</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Complete congenital stationary night blindness (cCSNB) is a clinically and genetically heterogeneous group of retinal disorders characterized by nonprogressive impairment of night vision, absence of the electroretinogram (ERG) b-wave, and variable degrees of involvement of other visual functions. Individuals with cCSNB and animal models of the disorder have an ERG waveform that lacks the b-wave because of failure to transmit the photoreceptor signal through the retinal depolarizing bipolar cells (summary by Peachey et al., 2012). For a general phenotypic description and a discussion of genetic heterogeneity of congenital stationary night blindness, see CSNB1A (310500).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/482845">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_483344"><div><strong>Hermansky-Pudlak syndrome 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>483344</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3484357</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hermansky-Pudlak syndrome (HPS) is characterized by oculocutaneous albinism, a bleeding diathesis, and, in some individuals, pulmonary fibrosis, granulomatous colitis, and/or immunodeficiency. Ocular findings include nystagmus, reduced iris pigment, reduced retinal pigment, foveal hypoplasia with significant reduction in visual acuity (usually in the range of 20/50 to 20/400), and strabismus in many individuals. Hair color ranges from white to brown; skin color ranges from white to olive and is usually at least a shade lighter than that of other family members. The bleeding diathesis can result in variable degrees of bruising, epistaxis, gingival bleeding, postpartum hemorrhage, colonic bleeding, and prolonged bleeding with menses or after tooth extraction, circumcision, and/or other surgeries. Pulmonary fibrosis, colitis, and/or neutropenia have been reported in individuals with pathogenic variants in some HPS-related genes. Pulmonary fibrosis, a restrictive lung disease, typically causes symptoms in the early 30s and can progress to death within a decade. Granulomatous colitis is severe in about 15% of affected individuals. Neutropenia and/or immune defects occur primarily in individuals with pathogenic variants in AP3B1 and AP3D1.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/483344">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_483485"><div><strong>Cone-rod dystrophy 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>483485</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3489532</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cone-rod dystrophy (CORD) characteristically leads to early impairment of vision. An initial loss of color vision and of visual acuity is followed by nyctalopia (night blindness) and loss of peripheral visual fields. In extreme cases, these progressive symptoms are accompanied by widespread, advancing retinal pigmentation and chorioretinal atrophy of the central and peripheral retina (Moore, 1992). In many families, perhaps a majority, central and peripheral chorioretinal atrophy is not found (Tzekov, 1998). Genetic Heterogeneity of Autosomal Cone-Rod Dystrophy There are several other autosomal forms of CORD for which the molecular basis is known. CORD3 (604116) is caused by mutation in the ABCA4 gene (601691) on chromosome 1p22. CORD5 (600977) is caused by mutation in the PITPNM3 gene (608921) on chromosome 17p13. CORD6 (601777) is caused by mutation in the GUCY2D gene (600179) on chromosome 17p13.1. CORD9 (612775) is caused by mutation in the ADAM9 gene (602713) on chromosome 8p11. CORD10 (610283) is caused by mutation in the SEMA4A gene (607292) on chromosome 1q22. CORD11 (610381) is caused by mutation in the RAXL1 gene (610362) on chromosome 19p13. CORD12 (612657) is caused by mutation in the PROM1 gene (604365) on chromosome 4p15. CORD13 (608194) is caused by mutation in the RPGRIP1 gene (605446) on chromosome 14q11. CORD14 (see 602093) is caused by mutation in the GUCA1A gene (600364) on chromosome 6p21. CORD15 (613660) is caused by mutation in the CDHR1 gene (609502) on chromosome 10q23. CORD16 (614500) is caused by mutation in the C8ORF37 gene (614477) on chromosome 8q22. CORD18 (615374) is caused by mutation in the RAB28 gene (612994) on chromosome 4p15. CORD19 (615860) is caused by mutation in the TTLL5 gene (612268) on chromosome 14q24. CORD20 (615973) is caused by mutation in the POC1B gene (614784) on chromosome 12q21. CORD21 (616502) is caused by mutation in the DRAM2 gene (613360) on chromosome 1p13. CORD22 (619531) is caused by mutation in the TLCD3B gene (615175) on chromosome 16p11. CORD23 (see 613428) is caused by mutation in the C2ORF71 gene (PCARE; 613425) on chromosome 2p23. CORD24 (620342) is caused by mutation in the UNC119 gene (604011) on chromosome 17q11. A diagnosis of CORD was made in an individual with a mutation in the AIPL1 gene (604392.0004) on chromosome 17p13.1, as well as in an individual with a mutation in the UNC119 gene (604011.0001) on chromosome 17q11.2. Other mapped loci for autosomal CORD include CORD1 (600624) on chromosome 18q21.1-q21.3; CORD7 (603649) on chromosome 6q14; CORD8 (605549) on chromosome 1q12-q24; and CORD17 (615163) on chromosome 10q26. For a discussion of X-linked forms of cone-rod dystrophy, see CORDX1 (304020).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/483485">Condition Record</a></div></div>
|
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<div class="divPopper rprt" id="rdis_761342"><div><strong>Hereditary spastic paraplegia 55</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>761342</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3539506</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare complex type of hereditary spastic paraplegia with characteristics of childhood onset of progressive spastic paraplegia associated with optic atrophy (with reduced visual acuity and central scotoma), ophthalmoplegia, reduced upper-extremity strength and dexterity, muscular atrophy in the lower extremities and sensorimotor neuropathy. Caused by mutations in the C12ORF65 gene (12q24.31) encoding probable peptide chain release factor C12ORF65, mitochondrial.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/761342">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_762020"><div><strong>Short stature-optic atrophy-Pelger-HuC+t anomaly syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>762020</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3541319</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Among the Yakuts, an Asian population isolate that is located in the northeastern part of Siberia, Maksimova et al. (2010) ascertained an autosomal recessive short stature syndrome involving postnatal growth failure, small hands and feet, loss of visual acuity with abnormalities of color vision, abnormal nuclear shape in neutrophil granulocytes (Pelger-Huet anomaly; see 169400), and normal intelligence.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/762020">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_767313"><div><strong>Congenital stationary night blindness 1F</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>767313</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3554399</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive congenital stationary night blindness is a disorder of the retina, which is the specialized tissue at the back of the eye that detects light and color. People with this condition typically have difficulty seeing and distinguishing objects in low light (night blindness). For example, they may not be able to identify road signs at night or see stars in the night sky. They also often have other vision problems, including loss of sharpness (reduced acuity), nearsightedness (myopia), involuntary movements of the eyes (nystagmus), and eyes that do not look in the same direction (strabismus).\n\nThe vision problems associated with this condition are congenital, which means they are present from birth. They tend to remain stable (stationary) over time.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/767313">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_767506"><div><strong>Microphthalmia, isolated, with coloboma 9</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>767506</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3554592</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">MCOPCB9 is characterized by microphthalmia and coloboma (Aldahmesh et al., 2012). MCOPS15 is characterized by microphthalmia and/or coloboma, with developmental delay in which speech appears to be more severely affected than motor abilities. Additional ocular anomalies that have been observed include ptosis, keyhole-shaped pupils, microcornea, sclerocornea, and anterior segment dysgenesis (Chassaing et al., 2016; Stephen et al., 2018; Singh et al., 2019). For a discussion of genetic heterogeneity of colobomatous microphthalmia, see MCOPCB1 (300345). For a discussion of genetic heterogeneity of syndromic microphthalmia, see MCOPS1 (309800).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/767506">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_767507"><div><strong>Progressive retinal dystrophy due to retinol transport defect</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>767507</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3554593</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Progressive retinal dystrophy due to retinol transport defect is a rare, genetic, metabolite absorption and transport disorder characterized by progressive rod-cone dystrophy, usually presenting with impaired night vision in childhood, progressive loss of visual acuity and severe retinol deficiency without keratomalacia. Association with ocular colobomas, severe acne and hypercholesterolemia has been reported.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/767507">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_811638"><div><strong>Retinitis pigmentosa 66</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>811638</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3715216</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the RBP3 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/811638">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_811705"><div><strong>Oculocutaneous albinism type 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>811705</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3805375</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Oculocutaneous albinism (OCA) is a heterogeneous autosomal recessive disorder, with a worldwide prevalence of approximately 1:17,000. It manifests as a reduction or complete loss of melanin in the skin, hair, and eyes, often accompanied by eye symptoms such as photophobia, strabismus, moderate to severe visual impairment, and nystagmus (summary by Wei et al., 2013). For a discussion of genetic heterogeneity of oculocutaneous albinism, see OCA1 (203100). For a general phenotypic description and a discussion of genetic heterogeneity of variation in skin, hair, and eye pigmentation, see SHEP1 (227220).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/811705">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_814203"><div><strong>Foveal hypoplasia - optic nerve decussation defect - anterior segment dysgenesis syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>814203</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3807873</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Foveal hypoplasia is defined as the lack of foveal depression with continuity of all neurosensory retinal layers in the presumed foveal area. Foveal hypoplasia as an isolated entity is a rare phenomenon; it is usually described in association with other ocular disorders, such as aniridia (106210), microphthalmia (see 251600), albinism (see 203100), or achromatopsia (see 216900). All reported cases of foveal hypoplasia have been accompanied by decreased visual acuity and nystagmus (summary by Perez et al., 2014). For a discussion of genetic heterogeneity of foveal hypoplasia, see FVH1 (136520).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/814203">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_815116"><div><strong>Oculocutaneous albinism type 7</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>815116</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3808786</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Oculocutaneous albinism type VII (OCA7) is an autosomal recessive hypopigmentation disorder with predominant eye involvement including nystagmus, iris transillumination, and crossed asymmetry of the cortical visual response (Gronskov et al., 2013). For a general phenotypic description and a discussion of genetic heterogeneity of oculocutaneous albinism, see OCA1 (203100).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/815116">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_815294"><div><strong>Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type a, 12</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>815294</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3808964</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Congenital muscular dystrophy-dystroglycanopathy with brain and eye anomalies (type A) is an autosomal recessive disorder with congenital muscular dystrophy resulting in muscle weakness early in life and brain and eye anomalies. It is usually associated with delayed psychomotor development and shortened life expectancy. The phenotype includes the alternative clinical designations Walker-Warburg syndrome (WWS) and muscle-eye-brain disease (MEB). The disorder represents the most severe end of a phenotypic spectrum of similar disorders resulting from defective glycosylation of alpha-dystroglycan (DAG1; 128239), collectively known as dystroglycanopathies (summary by Stevens et al., 2013). For a general phenotypic description and a discussion of genetic heterogeneity of muscular dystrophy-dystroglycanopathy type A, see MDDGA1 (236670).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/815294">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_815629"><div><strong>Cone-rod dystrophy 18</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>815629</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3809299</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cone-rod dystrophy is a group of related eye disorders that causes vision loss, which becomes more severe over time. These disorders affect the retina, which is the layer of light-sensitive tissue at the back of the eye. In people with cone-rod dystrophy, vision loss occurs as the light-sensing cells of the retina gradually deteriorate.\n\nThe first signs and symptoms of cone-rod dystrophy, which often occur in childhood, are usually decreased sharpness of vision (visual acuity) and increased sensitivity to light (photophobia). These features are typically followed by impaired color vision (dyschromatopsia), blind spots (scotomas) in the center of the visual field, and partial side (peripheral) vision loss. Over time, affected individuals develop night blindness and a worsening of their peripheral vision, which can limit independent mobility. Decreasing visual acuity makes reading increasingly difficult and most affected individuals are legally blind by mid-adulthood. As the condition progresses, individuals may develop involuntary eye movements (nystagmus).\n\nThere are more than 30 types of cone-rod dystrophy, which are distinguished by their genetic cause and their pattern of inheritance: autosomal recessive, autosomal dominant, and X-linked. Additionally, cone-rod dystrophy can occur alone without any other signs and symptoms or it can occur as part of a syndrome that affects multiple parts of the body.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/815629">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_815794"><div><strong>Myopia 22, autosomal dominant</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>815794</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3809464</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Myopia, or nearsightedness, is a refractive error of the eye. Light rays from a distant object are focused in front of the retina and those from a near object are focused in the retina; therefore distant objects are blurry and near objects are clear (summary by Kaiser et al., 2004). For a discussion of genetic heterogeneity of susceptibility to myopia, see 160700.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/815794">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_815812"><div><strong>Myopia 23, autosomal recessive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>815812</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3809482</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Myopia, or nearsightedness, is a refractive error of the eye. Light rays from a distant object are focused in front of the retina and those from a near object are focused in the retina; therefore distant objects are blurry and near objects are clear (summary by Kaiser et al., 2004). For a discussion of genetic heterogeneity of myopia, see 160700.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/815812">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_815922"><div><strong>Mitochondrial DNA depletion syndrome 13</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>815922</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3809592</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">FBXL4-related encephalomyopathic mitochondrial DNA (mtDNA) depletion syndrome is a multi-system disorder characterized primarily by congenital or early-onset lactic acidosis and growth failure, feeding difficulty, hypotonia, and developmental delay. Other neurologic manifestations can include seizures, movement disorders, ataxia, autonomic dysfunction, and stroke-like episodes. All affected individuals alive at the time they were reported (median age: 3.5 years) demonstrated significant developmental delay. Other findings can involve the heart (hypertrophic cardiomyopathy, congenital heart malformations, arrhythmias), liver (mildly elevated transaminases), eyes (cataract, strabismus, nystagmus, optic atrophy), hearing (sensorineural hearing loss), and bone marrow (neutropenia, lymphopenia). Survival varies; the median age of reported deaths was two years (range 2 days – 75 months), although surviving individuals as old as 36 years have been reported. To date FBXL4-related mtDNA depletion syndrome has been reported in 50 individuals.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/815922">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_815995"><div><strong>Early-onset progressive neurodegeneration-blindness-ataxia-spasticity syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>815995</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3809665</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic paraplegia-79B (SPG79B) is an autosomal recessive progressive neurologic disorder characterized by onset of spastic paraplegia and optic atrophy in the first decade of life. Additional features are variable, but may include peripheral neuropathy, cerebellar ataxia, and cognitive impairment (summary by Rydning et al., 2017). For a discussion of genetic heterogeneity of autosomal recessive spastic paraplegia, see SPG5A (270800).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/815995">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_816693"><div><strong>Bosch-Boonstra-Schaaf optic atrophy syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>816693</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3810363</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">NR2F1-related neurodevelopmental disorder (NR2F1-NDD) is characterized by developmental delay / intellectual disability (ranging from profound to mild) and is commonly associated with hypotonia, visual impairment (due to optic nerve abnormalities and/or cerebral visual impairment), epilepsy, and behavioral manifestations (e.g., autism spectrum disorder, attention-deficit/hyperactivity disorder).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/816693">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_816710"><div><strong>Retinitis pigmentosa 68</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>816710</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3810380</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the SLC7A14 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/816710">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_854708"><div><strong>Hermansky-Pudlak syndrome 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>854708</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3888001</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hermansky-Pudlak syndrome (HPS) is characterized by oculocutaneous albinism, a bleeding diathesis, and, in some individuals, pulmonary fibrosis, granulomatous colitis, and/or immunodeficiency. Ocular findings include nystagmus, reduced iris pigment, reduced retinal pigment, foveal hypoplasia with significant reduction in visual acuity (usually in the range of 20/50 to 20/400), and strabismus in many individuals. Hair color ranges from white to brown; skin color ranges from white to olive and is usually at least a shade lighter than that of other family members. The bleeding diathesis can result in variable degrees of bruising, epistaxis, gingival bleeding, postpartum hemorrhage, colonic bleeding, and prolonged bleeding with menses or after tooth extraction, circumcision, and/or other surgeries. Pulmonary fibrosis, colitis, and/or neutropenia have been reported in individuals with pathogenic variants in some HPS-related genes. Pulmonary fibrosis, a restrictive lung disease, typically causes symptoms in the early 30s and can progress to death within a decade. Granulomatous colitis is severe in about 15% of affected individuals. Neutropenia and/or immune defects occur primarily in individuals with pathogenic variants in AP3B1 and AP3D1.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/854708">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_854711"><div><strong>Hermansky-Pudlak syndrome 5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>854711</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3888004</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hermansky-Pudlak syndrome (HPS) is characterized by oculocutaneous albinism, a bleeding diathesis, and, in some individuals, pulmonary fibrosis, granulomatous colitis, and/or immunodeficiency. Ocular findings include nystagmus, reduced iris pigment, reduced retinal pigment, foveal hypoplasia with significant reduction in visual acuity (usually in the range of 20/50 to 20/400), and strabismus in many individuals. Hair color ranges from white to brown; skin color ranges from white to olive and is usually at least a shade lighter than that of other family members. The bleeding diathesis can result in variable degrees of bruising, epistaxis, gingival bleeding, postpartum hemorrhage, colonic bleeding, and prolonged bleeding with menses or after tooth extraction, circumcision, and/or other surgeries. Pulmonary fibrosis, colitis, and/or neutropenia have been reported in individuals with pathogenic variants in some HPS-related genes. Pulmonary fibrosis, a restrictive lung disease, typically causes symptoms in the early 30s and can progress to death within a decade. Granulomatous colitis is severe in about 15% of affected individuals. Neutropenia and/or immune defects occur primarily in individuals with pathogenic variants in AP3B1 and AP3D1.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/854711">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_854714"><div><strong>Hermansky-Pudlak syndrome 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>854714</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3888007</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hermansky-Pudlak syndrome (HPS) is characterized by oculocutaneous albinism, a bleeding diathesis, and, in some individuals, pulmonary fibrosis, granulomatous colitis, and/or immunodeficiency. Ocular findings include nystagmus, reduced iris pigment, reduced retinal pigment, foveal hypoplasia with significant reduction in visual acuity (usually in the range of 20/50 to 20/400), and strabismus in many individuals. Hair color ranges from white to brown; skin color ranges from white to olive and is usually at least a shade lighter than that of other family members. The bleeding diathesis can result in variable degrees of bruising, epistaxis, gingival bleeding, postpartum hemorrhage, colonic bleeding, and prolonged bleeding with menses or after tooth extraction, circumcision, and/or other surgeries. Pulmonary fibrosis, colitis, and/or neutropenia have been reported in individuals with pathogenic variants in some HPS-related genes. Pulmonary fibrosis, a restrictive lung disease, typically causes symptoms in the early 30s and can progress to death within a decade. Granulomatous colitis is severe in about 15% of affected individuals. Neutropenia and/or immune defects occur primarily in individuals with pathogenic variants in AP3B1 and AP3D1.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/854714">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_854716"><div><strong>Macular dystrophy, retinal, 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>854716</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3888009</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/854716">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_854728"><div><strong>Hermansky-Pudlak syndrome 8</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>854728</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3888026</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hermansky-Pudlak syndrome (HPS) is characterized by oculocutaneous albinism, a bleeding diathesis, and, in some individuals, pulmonary fibrosis, granulomatous colitis, and/or immunodeficiency. Ocular findings include nystagmus, reduced iris pigment, reduced retinal pigment, foveal hypoplasia with significant reduction in visual acuity (usually in the range of 20/50 to 20/400), and strabismus in many individuals. Hair color ranges from white to brown; skin color ranges from white to olive and is usually at least a shade lighter than that of other family members. The bleeding diathesis can result in variable degrees of bruising, epistaxis, gingival bleeding, postpartum hemorrhage, colonic bleeding, and prolonged bleeding with menses or after tooth extraction, circumcision, and/or other surgeries. Pulmonary fibrosis, colitis, and/or neutropenia have been reported in individuals with pathogenic variants in some HPS-related genes. Pulmonary fibrosis, a restrictive lung disease, typically causes symptoms in the early 30s and can progress to death within a decade. Granulomatous colitis is severe in about 15% of affected individuals. Neutropenia and/or immune defects occur primarily in individuals with pathogenic variants in AP3B1 and AP3D1.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/854728">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_854781"><div><strong>Cataract 17 multiple types</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>854781</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3888124</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Mutations in the CRYBB1 gene have been found to cause multiple types of cataract, which have been described as congenital nuclear, congenital nuclear with anterior and posterior Y-suture and polar opacities, and pulverulent. The preferred title/symbol for this entry was formerly 'Cataract, Congenital Nuclear, Autosomal Recessive 3; CATCN3.'</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/854781">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_854806"><div><strong>Autosomal recessive bestrophinopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>854806</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3888198</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Bestrophinopathies, the spectrum of ophthalmic disorders caused by pathogenic variants in BEST1, are typically characterized by retinal degeneration. The four recognized phenotypes are the three autosomal dominant disorders: Best vitelliform macular dystrophy (BVMD), BEST1 adult-onset vitelliform macular dystrophy (AVMD), and autosomal dominant vitreoretinochoroidopathy (ADVIRC); and autosomal recessive bestrophinopathy (ARB). Onset is usually in the first decade (except AVMD in which onset is age 30 to 50 years). Slow visual deterioration is the usual course. Choroidal neovascularization can occur in rare cases. ADVIRC is also associated with panophthalmic involvement including nanophthalmos, microcornea, hyperopia, and narrow anterior chamber angle with angle closure glaucoma.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/854806">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_854817"><div><strong>Autosomal dominant nonsyndromic hearing loss 58</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>854817</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3888210</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal dominant deafness-58 (DFNA58) is characterized by postlingual sensorineural deafness, with tinnitus and vestibular dysfunction additionally present in some patients (summary by Lezirovitz et al., 2020).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/854817">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_855172"><div><strong>Bardet-Biedl syndrome 16</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>855172</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3889474</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Bardet-Biedl syndrome-16 (BBS16) is an autosomal recessive ciliopathy characterized by retinal degeneration, obesity, renal disease, and cognitive impairment. Although polydactyly is considered a primary feature of BBS overall, it has not been reported in any BBS16 patient (Billingsley et al., 2012). For a general phenotypic description and a discussion of genetic heterogeneity of Bardet-Biedl syndrome, see BBS1 (209900).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/855172">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_856141"><div><strong>Bardet-Biedl syndrome 5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>856141</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C3892039</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">BBS5 is a ciliopathy associated with severe and early-onset retinal dystrophy, postaxial polydactyly, obesity, renal dysfunction, hypogonadism, and learning difficulties (summary by Scheidecker et al., 2015). Patients described by Young et al. (1999) and Moore et al. (2005) with mutations in the BBS5 gene did not have polydactyly. The contribution of BBS5 mutations to all cases of BBS has been estimated at 2% (Li et al., 2004) and 0.40% (Zaghloul and Katsanis, 2009). For a general phenotypic description and a discussion of genetic heterogeneity of Bardet-Biedl syndrome, see BBS1 (209900).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/856141">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_860411"><div><strong>Coloboma, ocular, autosomal recessive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>860411</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4011974</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Coloboma is an ocular birth defect resulting from abnormal development of the eye during embryogenesis. It is defined as a congenital defect in any ocular tissue, typically presenting as absent tissue or a gap, at a site consistent with aberrant closure of the optic fissure. Failure of fusion can lead to coloboma of 1 or multiple regions of the inferior portion of the eye affecting any part of the globe traversed by the fissure, from the iris to the optic nerve, including the ciliary body, retina, and choroid. Coloboma is also frequently associated with small (microphthalmic) or absent (anophthalmic) eyes as part of an interrelated spectrum of developmental eye anomalies, and can affect either one or both eyes (summary by Kelberman et al., 2014). For a discussion of genetic heterogeneity of ocular coloboma, see 120200.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/860411">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_862749"><div><strong>Retinitis pigmentosa 69</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>862749</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4014312</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinitis pigmentosa (RP), also designated rod-cone dystrophy, is characterized by initial night blindness due to rod dysfunction, with subsequent progressive constriction of visual fields, abnormal color vision, and eventual loss of central vision due to cone photoreceptor involvement (summary by El Shamieh et al., 2014). For a discussion of genetic heterogeneity of retinitis pigmentosa, see 268000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/862749">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_862938"><div><strong>Cone-rod dystrophy 19</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>862938</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4014501</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">There are more than 30 types of cone-rod dystrophy, which are distinguished by their genetic cause and their pattern of inheritance: autosomal recessive, autosomal dominant, and X-linked. Additionally, cone-rod dystrophy can occur alone without any other signs and symptoms or it can occur as part of a syndrome that affects multiple parts of the body.\n\nThe first signs and symptoms of cone-rod dystrophy, which often occur in childhood, are usually decreased sharpness of vision (visual acuity) and increased sensitivity to light (photophobia). These features are typically followed by impaired color vision (dyschromatopsia), blind spots (scotomas) in the center of the visual field, and partial side (peripheral) vision loss. Over time, affected individuals develop night blindness and a worsening of their peripheral vision, which can limit independent mobility. Decreasing visual acuity makes reading increasingly difficult and most affected individuals are legally blind by mid-adulthood. As the condition progresses, individuals may develop involuntary eye movements (nystagmus).\n\nCone-rod dystrophy is a group of related eye disorders that causes vision loss, which becomes more severe over time. These disorders affect the retina, which is the layer of light-sensitive tissue at the back of the eye. In people with cone-rod dystrophy, vision loss occurs as the light-sensing cells of the retina gradually deteriorate.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/862938">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_863118"><div><strong>Retinitis pigmentosa 70</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>863118</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4014681</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the PRPF4 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/863118">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_863285"><div><strong>Nanophthalmos 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>863285</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4014848</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Nanophthalmos is characterized by axial lengths of the ocular globe that are more than 2 SDs smaller than the normal range, or less than 20 mm in adults, with a cornea and lens that are typically of normal size, associated with severe hyperopia (farsightedness) of +7.00 diopters or more. The smaller dimensions of the anterior chamber depth cause the iridocorneal angle to be typically narrow. Abnormal thickening of the scleral connective tissue is often observed (summary by Awadalla et al., 2014). For a discussion of genetic heterogeneity of nanophthalmos, see NNO1 (600165).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/863285">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_863293"><div><strong>Cone-rod dystrophy 20</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>863293</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4014856</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cone-rod dystrophy is a group of related eye disorders that causes vision loss, which becomes more severe over time. These disorders affect the retina, which is the layer of light-sensitive tissue at the back of the eye. In people with cone-rod dystrophy, vision loss occurs as the light-sensing cells of the retina gradually deteriorate.\n\nThe first signs and symptoms of cone-rod dystrophy, which often occur in childhood, are usually decreased sharpness of vision (visual acuity) and increased sensitivity to light (photophobia). These features are typically followed by impaired color vision (dyschromatopsia), blind spots (scotomas) in the center of the visual field, and partial side (peripheral) vision loss. Over time, affected individuals develop night blindness and a worsening of their peripheral vision, which can limit independent mobility. Decreasing visual acuity makes reading increasingly difficult and most affected individuals are legally blind by mid-adulthood. As the condition progresses, individuals may develop involuntary eye movements (nystagmus).\n\nThere are more than 30 types of cone-rod dystrophy, which are distinguished by their genetic cause and their pattern of inheritance: autosomal recessive, autosomal dominant, and X-linked. Additionally, cone-rod dystrophy can occur alone without any other signs and symptoms or it can occur as part of a syndrome that affects multiple parts of the body.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/863293">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_863583"><div><strong>Retinal dystrophy with inner retinal dysfunction and ganglion cell anomalies</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>863583</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4015146</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinal dystrophy with inner retinal dysfunction and ganglion cell anomalies is a rare, genetic, retinal dystrophy disorder characterized by decreased central retinal sensitivity associated with hyper-reflectivity of ganglion cells and nerve fiber layer with loss of optic nerve fibers manifesting with photophobia, optic disc pallor and progressive loss of central vision with preservation of peripheral visual field.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/863583">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_863723"><div><strong>Macular degeneration, early-onset</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>863723</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4015286</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/863723">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_863780"><div><strong>Vitelliform macular dystrophy 5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>863780</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4015343</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Macular dystrophies are inherited retinal dystrophies in which various forms of deposits, pigmentary changes, and atrophic lesions are observed in the macula lutea, the cone-rich region of the central retina. Vitelliform macular dystrophies (VMDs) form a subset of macular dystrophies characterized by round yellow deposits, usually at the center of the macula and containing lipofuscin, a chemically heterogeneous pigment visualized by autofluorescence imaging of the fundus (summary by Manes et al., 2013). Vitelliform macular dystrophy-5 (VMD5) is characterized by late-onset moderate visual impairment, preservation of retinal pigment epithelium (RPE) reflectivity, deposits above the RPE between the ellipsoid and outer segment interdigitation lines on spectral-domain optical coherence tomography (SD-OCT), and normal or borderline results on electrooculopathy (EOG) (Meunier et al., 2014). Brandl et al. (2017) examined patients with IMPG2- and IMPG1 (602870)-associated VMD (see VMD4; 616151) and observed strikingly similar phenotypic characteristics. They noted that retinal lesions progressed in consecutive stages, with the initial development of a single vitelliform lesion in the central macula, with detachment of the neurosensory retina and hyperreflective material located above the seemingly preserved Bruch membrane/RPE seen on SD-OCT. Next, resorption of the hyperreflective material occurs, leaving behind a dome-shaped, optically empty cavity; alternatively, the foveal cavity formed by retinal detachment may become successively filled with material. Finally, there is collapse of the cavity with central retinal atrophy and loss of RPE, resulting in the most pronounced loss of visual acuity. The authors also noted that symptoms tended to be more severe in patients with IMPG1 mutations. For a discussion of genetic heterogeneity of vitelliform macular dystrophy, see VMD1 (153840).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/863780">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_863808"><div><strong>Macular dystrophy with central cone involvement</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>863808</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4015371</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/863808">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_863861"><div><strong>Retinal dystrophy and obesity</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>863861</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4015424</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/863861">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_891534"><div><strong>Cone-rod dystrophy 21</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>891534</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4049066</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any cone-rod dystrophy in which the cause of the disease is a mutation in the DRAM2 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/891534">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_905986"><div><strong>MEND syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>905986</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4085243</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Male EBP disorder with neurologic defects (MEND) is an X-linked recessive disorder representing a continuous phenotypic spectrum with variable manifestations associated with a defect in sterol biosynthesis. Features include intellectual disability, short stature, scoliosis, digital abnormalities, cataracts, and dermatologic abnormalities. Not all patients show all features, and the severity is highly variable. Molecular studies indicate that affected males are hemizygous for a nonmosaic hypomorphic EBP allele. Carrier females are generally clinically asymptomatic, but may show biochemical abnormalities (summary by Arnold et al., 2012 and Barboza-Cerda et al., 2014).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/905986">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_905727"><div><strong>Optic atrophy 10 with or without ataxia, intellectual disability, and seizures</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>905727</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225227</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/905727">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_905068"><div><strong>Hypomyelinating leukodystrophy 12</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>905068</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225247</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hypomyelinating leukodystrophy-12 (HLD12) is an autosomal recessive neurologic disorder characterized by severely delayed or even lack of psychomotor development that becomes apparent in the first months of life. Patients are markedly disabled, with acquired microcephaly, lack of speech, and often lack of spontaneous movement due to hypotonia and spasticity. Brain imaging shows delayed myelination (summary by Edvardson et al., 2015). For a general phenotypic description and a discussion of genetic heterogeneity of HLD, see 312080. In a review of the pathogenesis of disorders with prominent dystonia or opisthotonic posturing as a feature, Monfrini et al. (2021) classified HLD12 as belonging to a group of neurologic disorders termed 'HOPS-associated neurologic disorders (HOPSANDs), which are caused by mutations in genes encoding various components of the autophagic/endolysosomal system, including VPS11.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/905068">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_896387"><div><strong>Hereditary spastic paraplegia 75</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>896387</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225250</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic paraplegia-75 (SPG75) is an autosomal recessive, slowly progressive neurodegenerative disorder characterized by onset of spastic paraplegia and cognitive impairment in childhood (summary by Lossos et al., 2015). For a discussion of genetic heterogeneity of autosomal recessive SPG, see SPG5A (270800).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/896387">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_906896"><div><strong>Retinitis pigmentosa 74</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>906896</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225281</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the BBS2 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/906896">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_907690"><div><strong>Retinitis pigmentosa 73</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>907690</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225287</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the HGSNAT gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/907690">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_904646"><div><strong>Achromatopsia 7</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>904646</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225297</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Achromatopsia is characterized by reduced visual acuity, pendular nystagmus, increased sensitivity to light (photophobia), a small central scotoma, eccentric fixation, and reduced or complete loss of color discrimination. All individuals with achromatopsia (achromats) have impaired color discrimination along all three axes of color vision corresponding to the three cone classes: the protan or long-wavelength-sensitive cone axis (red), the deutan or middle-wavelength-sensitive cone axis (green), and the tritan or short-wavelength-sensitive cone axis (blue). Most individuals have complete achromatopsia, with total lack of function of all three types of cones. Rarely, individuals have incomplete achromatopsia, in which one or more cone types may be partially functioning. The manifestations are similar to those of individuals with complete achromatopsia, but generally less severe. Hyperopia is common in achromatopsia. Nystagmus develops during the first few weeks after birth followed by increased sensitivity to bright light. Best visual acuity varies with severity of the disease; it is 20/200 or less in complete achromatopsia and may be as high as 20/80 in incomplete achromatopsia. Visual acuity is usually stable over time; both nystagmus and sensitivity to bright light may improve slightly. Although the fundus is usually normal, macular changes (which may show early signs of progression) and vessel narrowing may be present in some affected individuals. Defects in the macula are visible on optical coherence tomography.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/904646">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_901897"><div><strong>Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal recessive 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>901897</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225312</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive progressive external ophthalmoplegia with mitochondrial DNA deletions-2 (PEOB2) is a mitochondrial disorder characterized by adult onset of progressive external ophthalmoplegia, exercise intolerance, muscle weakness, and signs and symptoms of spinocerebellar ataxia, such as impaired gait and dysarthria. Some patients may have respiratory insufficiency. Laboratory studies are consistent with a defect in mtDNA replication (summary by Reyes et al., 2015). For a discussion of genetic heterogeneity of autosomal recessive PEO, see PEOB1 (258450).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/901897">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_895867"><div><strong>Retinitis pigmentosa 72</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>895867</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225315</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the ZNF408 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/895867">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_902559"><div><strong>Exudative vitreoretinopathy 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>902559</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225316</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Familial exudative vitreoretinopathy is a hereditary disorder that can cause vision loss that worsens over time. This condition affects the retina, the specialized light-sensitive tissue that lines the back of the eye. In people with this disorder, blood vessels do not fully develop at the outer edges (periphery) of the retina, which reduces the blood supply to this tissue. This prolonged reduction in blood supply (chronic ischemia) causes continued damage to the retina and can lead to worsening of the condition. \n\nThe signs and symptoms of familial exudative vitreoretinopathy vary widely, even within the same family. In many affected individuals, the retinal abnormalities never cause any vision problems. Other people with this condition develop abnormal vessels that leak. This causes chronic inflammation which, over time, can lead to fluid under the retina (exudate). A reduction in the retina's blood supply causes the retina to fold, tear, or separate from the back of the eye (retinal detachment). The resulting retinal damage can lead to vision loss and blindness. Other eye abnormalities are also possible, including eyes that do not look in the same direction (strabismus) and a visible whiteness (leukocoria) in the normally black pupil.\n\nSome people with familial exudative vitreoretinopathy also have a condition known as osteoporosis-pseudoglioma syndrome, which is characterized by reduced bone density. People with this condition have weakened bones and an increased risk of fractures.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/902559">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_902924"><div><strong>Microcephaly and chorioretinopathy 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>902924</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225362</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any microcephaly and chorioretinopathy in which the cause of the disease is a mutation in the TUBGCP4 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/902924">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_905171"><div><strong>Senior-Loken syndrome 8</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>905171</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225376</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any Senior-Loken syndrome in which the cause of the disease is a mutation in the WDR19 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/905171">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_898858"><div><strong>Optic atrophy 9</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>898858</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225384</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Optic atrophy-9 (OPA9) is characterized by onset of decreased visual acuity and optic disc pallor in the first decade of life, with severely reduced visual acuity and color vision deficits observed in the third decade. Although initially described as an autosomal recessive disease (Metodiev et al., 2014; Kelman et al., 2018; Gibson et al., 2020), autosomal dominant cases of OPA9 have also been reported (Charif et al., 2021). Mutation in the ACO2 gene also causes a neurodegenerative disorder, infantile cerebellar-retinal degeneration (ICRD; 614559), of which optic atrophy is a feature. Dominant and Recessive OPA9 From a cohort of approximately 1,000 patients with optic atrophy, Charif et al. (2021) identified 50 probands with dominant mutations in the ACO2 gene, and 11 patients with biallelic variants. There was no significant difference in distribution of mutation type, with two-thirds of all variants being missense mutations in both groups, and nonsense, frameshift, and splice site mutations comprising the remaining third. Age at onset of symptoms occurred during the first 2 decades, without significant difference between dominant and recessive cases. Visual acuity was significantly more affected in recessive cases than in dominant ones, with more than 60% of eyes from the recessive group having a visual acuity lower than 20/200, whereas more than 80% of eyes from the dominant group had a visual acuity above 20/200. Analysis of the optic disc as well as retinal nerve fiber layer thickness measurements indicated a preferential involvement of the temporal quadrant in both patient groups. Assessment of color vision revealed highly variable alterations, including protan, deutan, and tritan types of dyschromatopsia. Some patients had additional retinal changes, including macular microcysts as well as macular dystrophy in 1 case. Extraocular symptoms were observed in 6 (12%) of the dominant cases and in 3 (27%) of the recessive cases, including hearing impairment in 2 dominant cases, and late-onset cerebellar ataxia in 1 dominant case and in 1 recessive case.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/898858">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_903733"><div><strong>Familial progressive retinal dystrophy-iris coloboma-congenital cataract syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>903733</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4225493</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinal dystrophy and iris coloboma with or without cataract (RDICC) is characterized by early-onset chorioretinal dystrophy that is variably associated with other eye anomalies, including iris coloboma and/or congenital or early-onset cataract. Congenital glaucoma has also been observed (Conte et al., 2015; Jedlickova et al., 2023).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/903733">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_924883"><div><strong>Spastic paraplegia, intellectual disability, nystagmus, and obesity</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>924883</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4284592</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic paraplegia, intellectual disability, nystagmus, and obesity (SINO) is an autosomal dominant neurologic disorder characterized by rapid growth in infancy, global developmental delay, spastic paraplegia, variable ophthalmologic defects, and dysmorphic facial features (summary by Josifova et al., 2016).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/924883">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934593"><div><strong>Retinitis pigmentosa 77</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934593</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310626</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the REEP6 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934593">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934601"><div><strong>Dystonia, childhood-onset, with optic atrophy and basal ganglia abnormalities</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934601</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310634</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">MECR-related neurologic disorder is characterized by a progressive childhood-onset movement disorder and optic atrophy; intellect is often – but not always – preserved. The movement disorder typically presents between ages one and 6.5 years and is mainly dystonia that can be accompanied by chorea and/or ataxia. Over time some affected individuals require assistive devices for mobility. Speech fluency and intelligibility are progressively impaired due to dysarthria. Optic atrophy typically develops between ages four and 12 years and manifests as reduced visual acuity, which can include functional blindness (also known as legal blindness) in adulthood. Because only 13 affected individuals are known to the authors, and because nearly half of them were diagnosed retrospectively as adults, the natural history of disease progression and other aspects of the phenotype have not yet been completely defined.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934601">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934647"><div><strong>RCBTB1-related retinopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934647</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310680</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">An autosomal recessive condition caused by mutation(s) in the RCBTB1 gene, encoding RCC1 and BTB domain-containing protein 1. It is characterized by severe retinal dystrophy. Associated extraocular abnormalities may or may not be present.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934647">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934662"><div><strong>Aniridia 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934662</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310695</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any isolated aniridia in which the cause of the disease is a mutation in the TRIM44 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934662">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934671"><div><strong>Retinitis pigmentosa 76</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934671</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310704</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any retinitis pigmentosa in which the cause of the disease is a mutation in the POMGNT1 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934671">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934680"><div><strong>Patterned macular dystrophy 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934680</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310713</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Patterned macular dystrophy-3 (MDPT3), also called Martinique crinkled retinal pigment epitheliopathy, appears in the fourth or fifth decade of life and is characterized by a 'dry desert land' pattern of the fundus, involving the posterior pole initially and progressing from the temporal fovea to the periphery of the retina. Polypoid choroidal vasculopathy, choroidal neovascularization, or atrophic fibrous macular scarring can cause reduced visual acuity after age 50. Late-stage MDPT3 consists of a retinitis pigmentosa (RP; see 268000)-like phenotype due to death of retinal pigment epithelium (RPE) and photoreceptor cells. The dry desert land pattern observed on fundus examination corresponds to an irregular thickness of the Bruch membrane and the RPE, with a scalloped elevation ('crinkling') of the RPE observed on optical coherence tomography (OCT). Full-field electroretinography may be normal at preclinical and early stages of the dystrophy, but later cone and rod responses are severely reduced, consistent with progressive photoreceptor cell dysfunction and death at the final state (summary by Meunier et al., 2016). For a general phenotypic description and discussion of genetic heterogeneity of patterned macular dystrophy, see MDPT1 (169150).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934680">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934763"><div><strong>Progeroid and marfanoid aspect-lipodystrophy syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934763</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4310796</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The marfanoid-progeroid-lipodystrophy syndrome (MFLS) is characterized by congenital lipodystrophy, premature birth with an accelerated linear growth disproportionate to weight gain, and progeroid appearance with distinct facial features, including proptosis, downslanting palpebral fissures, and retrognathia. Other characteristic features include arachnodactyly, digital hyperextensibility, myopia, dural ectasia, and normal psychomotor development (Takenouchi et al., 2013). Takenouchi et al. (2013) noted phenotypic overlap with Marfan syndrome (154700) and Shprintzen-Goldberg craniosynostosis syndrome (182212).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934763">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1378790"><div><strong>Retinitis pigmentosa 78</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1378790</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4479481</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinitis pigmentosa-78 (RP78) is an autosomal recessive retinal dystrophy that presents in the third to fourth decade with central visual disturbance, visual field defects, and nyctalopia. Fundus examination reveals optic disc pallor, attenuated retinal vessels, and irregular midperipheral intraretinal pigment migration (Arno et al., 2017). For a general phenotypic description and a discussion of genetic heterogeneity of retinitis pigmentosa, see 268000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1378790">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1386200"><div><strong>Retinitis pigmentosa 79</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1386200</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4479526</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1386200">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1381980"><div><strong>Retinal dystrophy with or without macular staphyloma</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1381980</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4479651</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1381980">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1385311"><div><strong>Isolated congenital megalocornea</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1385311</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4518341</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Isolated congenital megalocornea is a genetic, non-syndromic developmental defect of the anterior eye segment. The disease has characteristics of bilateral enlargement of the corneal diameter and a deep anterior eye chamber, without an elevation in intraocular pressure. It can manifest with mild to moderate myopia as well as photophobia and iridodonesis (due to iris hypoplasia). Associated complications include lens dislocation, retinal detachment, presenile cataract development and secondary glaucoma. There is evidence this disease is caused by mutation in the CHRDL1 gene on chromosome Xq23.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1385311">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1613861"><div><strong>Joubert syndrome 30</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1613861</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4539937</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1613861">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1643910"><div><strong>Tyrosinase-negative oculocutaneous albinism</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1643910</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4551504</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">There are several additional, rare types of oculocutaneous albinism.\n\nOculocutaneous albinism is a group of conditions that affect the color of (pigmentation) of the skin, hair, and eyes. Affected individuals typically have very fair skin and white or light-colored hair. Long-term sun exposure greatly increases the risk of skin damage and skin cancers, including an aggressive form of skin cancer called melanoma, in people with this condition. \n\nResearchers have identified multiple types of oculocutaneous albinism, which are distinguished by their specific skin, hair, and eye color changes, and by their genetic cause. Oculocutaneous albinism type 1 is characterized by white hair, very pale skin, and light-colored irises. Type 2 is typically less severe than type 1; the skin is usually pale and hair may be light yellow, blond, or light brown. Type 3 causes reddish-brown skin, ginger or red hair, and hazel or brown irises. Type 3 is often associated with milder vision abnormalities than the other forms of oculocutaneous albinism. Type 4 has signs and symptoms similar to those seen in people with type 2.\n\nOculocutaneous albinism also reduces pigmentation of the colored part of the eye (the iris) and the light-sensitive tissue at the back of the eye (the retina). People with this condition usually have vision problems such as reduced sharpness; rapid, involuntary eye movements (nystagmus); eyes that do not point in the same direction (strabismus); and increased sensitivity to light (photophobia).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1643910">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1636950"><div><strong>Vitelliform macular dystrophy 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1636950</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4551953</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Macular dystrophies are inherited retinal dystrophies in which various forms of deposits, pigmentary changes, and atrophic lesions are observed in the macula lutea, the cone-rich region of the central retina. Vitelliform macular dystrophies (VMDs) form a subset of macular dystrophies characterized by round yellow deposits, usually at the center of the macula and containing lipofuscin, a chemically heterogeneous pigment visualized by autofluorescence imaging of the fundus (summary by Manes et al., 2013). In contrast to typical VMD (see 153700), patients with atypical VMD may exhibit normal electrooculography, even when severe loss of vision is present, and fluorescein angiography is thus the most reliable test for identifying affected individuals (Hittner et al., 1984). Genetic Heterogeneity of Vitelliform Macular Dystrophy See also vitelliform macular dystrophy-2 (VMD2; 153700), caused by mutation in the BEST1 gene (607854) on chromosome 11q12; VMD3 (608161), caused by mutation in the PRPH2 gene (179605) on chromosome 6p21; VMD4 (616151), caused by mutation in the IMPG1 gene (602870) on chromosome 6q14; and VMD5 (616152), caused by mutation in the IMPG2 gene (607056) on chromosome 3q12.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1636950">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1647320"><div><strong>Brain small vessel disease 1 with or without ocular anomalies</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1647320</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4551998</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The spectrum of COL4A1-related disorders includes: small-vessel brain disease of varying severity including porencephaly, variably associated with eye defects (retinal arterial tortuosity, Axenfeld-Rieger anomaly, cataract) and systemic findings (kidney involvement, muscle cramps, cerebral aneurysms, Raynaud phenomenon, cardiac arrhythmia, and hemolytic anemia). On imaging studies, small-vessel brain disease is manifest as diffuse periventricular leukoencephalopathy, lacunar infarcts, microhemorrhage, dilated perivascular spaces, and deep intracerebral hemorrhages. Clinically, small-vessel brain disease manifests as infantile hemiparesis, seizures, single or recurrent hemorrhagic stroke, ischemic stroke, and isolated migraine with aura. Porencephaly (fluid-filled cavities in the brain detected by CT or MRI) is typically manifest as infantile hemiparesis, seizures, and intellectual disability; however, on occasion it can be an incidental finding. HANAC (hereditary angiopathy with nephropathy, aneurysms, and muscle cramps) syndrome usually associates asymptomatic small-vessel brain disease, cerebral large vessel involvement (i.e., aneurysms), and systemic findings involving the kidney, muscle, and small vessels of the eye. Two additional phenotypes include isolated retinal artery tortuosity and nonsyndromic autosomal dominant congenital cataract.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1647320">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1646806"><div><strong>Patterned macular dystrophy 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1646806</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4551999</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Patterned dystrophies of the retinal pigment epithelium (RPE) refer to a heterogeneous group of macular disorders, characterized by an abnormal accumulation of lipofuscin in the RPE. The lipofuscin is most apparent in the macular area, and its distribution can show various sizes and shapes. High inter- and intrafamilial variability has been described, and retinitis pigmentosa (RP; see 268000)-like changes have sometimes been observed in association with patterned dystrophies (summary by Vaclavik et al., 2012). Three main varieties of patterned dystrophy of the RPE have been described: reticular ('fishnet-like') dystrophy (see 179840 and 267800), macroreticular ('spider-shaped') dystrophy, and butterfly-shaped pigment dystrophy of the fovea. Genetic Heterogeneity of Patterned Macular Dystrophy Also see MDPT2 (608970), caused by mutation in the CTNNA1 gene (116805) on chromosome 5q31; and MDPT3 (617111), caused by mutation in the MAPKAPK3 gene (602130) on chromosome 3p21.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1646806">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1637738"><div><strong>Retinitis pigmentosa 81</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1637738</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4693443</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1637738">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1646810"><div><strong>Leber congenital amaurosis with early-onset deafness</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1646810</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4693498</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Leber congenital amaurosis with early-onset deafness (LCAEOD) is an autosomal dominant syndrome manifesting as early-onset and severe photoreceptor and cochlear cell loss. Some patients show extinguished responses on electroretinography and moderate to severe hearing loss at birth (Luscan et al., 2017).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1646810">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1645093"><div><strong>Keratoconus 9</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1645093</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4693660</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Keratoconus-9 (KTCN9), a degenerative corneal disease with onset during adolescence, is characterized by corneal ectasia, thinning, and cone-shaped protrusion that results in reduced vision (Hao et al., 2017). For a discussion of genetic heterogeneity of keratoconus, see 148300.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1645093">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1646555"><div><strong>Combined oxidative phosphorylation defect type 15</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1646555</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4706313</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare mitochondrial disease due to a defect in mitochondrial protein synthesis with onset in infancy or early childhood of muscular hypotonia, gait ataxia, mild bilateral pyramidal tract signs, developmental delay (affecting mostly speech and coordination) and subsequent intellectual disability. Short stature, obesity, microcephaly, strabismus, nystagmus, reduced visual acuity, lactic acidosis, and a brain neuropathology consistent with Leigh syndrome are also reported. Caused by homozygous or compound heterozygous mutation in the MTFMT gene on chromosome 15q22.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1646555">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1658130"><div><strong>Retinitis pigmentosa with or without situs inversus</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1658130</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4747737</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinitis pigmentosa-82 with or without situs inversus (RP82) is an autosomal recessive form of retinal degeneration characterized by initial loss of rod photoreceptors, resulting in impaired night vision followed by progressive visual field constriction as both rod and cone photoreceptors die. Some affected individuals have situs inversus (Davidson et al., 2013; Audo et al., 2017). Male patients with infertility due to reduced or absent sperm motility have been reported; female fertility appears to be unaffected (Moye et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1658130">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648359"><div><strong>Corneal dystrophy, posterior polymorphous, 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648359</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4747961</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">PPCD4 is characterized by an irregular posterior corneal surface with occasional opacities of variable size and shape. There is inter- and intrafamilial as well as intraindividual variability. Symptoms can include blurred vision due to corneal edema, reduced visual acuity, secondary glaucoma, and corectopia; some affected individuals are asymptomatic. Rare patients have undergone enucleation for painful eye (Liskova et al., 2018). For a discussion of genetic heterogeneity of PPCD, see 122000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648359">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648404"><div><strong>Retinitis pigmentosa 83</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648404</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4748536</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinitis pigmentosa-83 (RP83) is characterized by onset of night blindness in the first decade of life, with decreased central vision in the second decade of life in association with retinal degeneration. The retinal dystrophy is associated with cataract, and macular edema has also been reported in some patients (Holtan et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648404">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648358"><div><strong>Intellectual developmental disorder and retinitis pigmentosa; IDDRP</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648358</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4748658</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Intellectual developmental disorder and retinitis pigmentosa (IDDRP) is characterized by mildly to moderately impaired intellectual development and typical features of RP. Patients experience reduced night vision, constriction of visual fields, and reduced visual acuity; optic disc pallor, attenuated retinal blood vessels, and bone-spicule pigmentation are seen on funduscopy. Attention-deficit/hyperactivity disorder is observed in some patients (Tatour et al., 2017).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648358">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648430"><div><strong>Visual impairment and progressive phthisis bulbi</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648430</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4748978</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Visual impairment and progressive phthisis bulbi is characterized by poor vision at birth, with development of bilateral phthisis by adulthood (Ansar et al., 2018).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648430">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1666864"><div><strong>Retinal macular dystrophy type 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1666864</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C4749334</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare, genetic macular dystrophy disorder characterised by slowly progressive bull''s eye maculopathy associated, in most cases, with mild decrease in visual acuity and central scotomata. Usually, only the central retina is involved, however some cases of more widespread rod and cone anomalies have been reported. Rare additional features include empty sella turcica, impaired olfaction, renal infections, haematuria and recurrent miscarriages. Caused by mutation in the prominin-1 gene (PROM1).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1666864">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1682947"><div><strong>Retinitis pigmentosa 85</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1682947</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5193041</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1682947">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1675017"><div><strong>Cone-rod dystrophy and hearing loss 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1675017</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5193051</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cone-rod dystrophy and hearing loss-2 (CRDHL2) is characterized by retinal dystrophy, with photophobia and progressive reduction in visual acuity, associated with sensorineural hearing loss (Kubota et al., 2018). For a discussion of genetic heterogeneity of cone-rod dystrophy and hearing loss, see CRDHL1 (617236).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1675017">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1684457"><div><strong>Cataract 48</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1684457</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5193082</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cataract-48 (CTRCT48) is characterized by infantile or early-childhood cataracts and visual impairment (Ansar et al., 2018).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1684457">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1680026"><div><strong>Spastic ataxia 9, autosomal recessive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1680026</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5193100</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1680026">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1680245"><div><strong>Neuropathy, hereditary motor and sensory, type VIc, with optic atrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1680245</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5193137</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hereditary motor and sensory neuropathy type VIC with optic atrophy (HMSN6C) is an autosomal recessive axonal sensorimotor peripheral neuropathy characterized by progressive distal muscle weakness and atrophy primarily affecting the lower limbs. Onset of neuropathy is in the first decade, manifest by difficulty walking and running and followed by similar involvement of the upper limbs and hands. The disorder is associated with distal sensory impairment, particularly of position and vibration sense, as well as areflexia; individuals usually have pes cavus, hammertoes, and atrophy of the intrinsic hand muscles. In addition, progressive optic atrophy and visual impairment occur during adulthood. Treatment with pyridoxal 5-prime phosphate supplementation (vitamin B6) may result in amelioration of symptoms and slow progression of the disease (summary by Chelban et al., 2019). For a general phenotypic description and a discussion of genetic heterogeneity of HMSN6, see HMSN6A (601152).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1680245">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1682428"><div><strong>Ichthyotic keratoderma, spasticity, hypomyelination, and dysmorphic facial features</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1682428</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5193147</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Ichthyotic keratoderma, spasticity, hypomyelination, and dysmorphic features (IKSHD) is characterized by epidermal hyperproliferation and increased keratinization, resulting in ichthyosis; hypomyelination of central white matter, causing spastic paraplegia and central nystagmus; and optic atrophy, resulting in reduction of peripheral vision and visual acuity (Mueller et al., 2019). In addition, patients exhibit mild facial dysmorphism (Kutkowska-Kazmierczak et al., 2018).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1682428">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1684826"><div><strong>Hypopigmentation, organomegaly, and delayed myelination and development</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1684826</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5203300</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hypopigmentation, organomegaly, and delayed myelination and development (HOD) is characterized by hypopigmented skin and hair with normally pigmented irides; organomegaly including enlargement of liver, kidney, and spleen; and delayed myelination on brain MRI accompanied by developmental delay in both gross and fine motor skills. Biopsy findings from skin and other organs are consistent with a lysosomal storage disorder (Nicoli et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1684826">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1684803"><div><strong>Neurodevelopmental disorder with absent language and variable seizures</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1684803</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5231469</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1684803">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1684719"><div><strong>Ectodermal dysplasia with facial dysmorphism and acral, ocular, and brain anomalies</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1684719</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5231477</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">EDFAOB is characterized by linear hypopigmentation and craniofacial asymmetry in association with ocular, dental, and acral anomalies. Brain imaging has revealed some abnormalities, including diffuse cystic leukoencephalopathy and mildly enlarged lateral ventricles, but patients show no intellectual or neurologic impairment (Vabres et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1684719">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1684668"><div><strong>Corneal dystrophy, Meesmann, 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1684668</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5231499</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1684668">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1711668"><div><strong>Spastic paraplegia 81, autosomal recessive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1711668</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5394033</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic paraplegia-81 (SPG81) is an autosomal recessive neurologic disorder with onset in infancy. Affected individuals have delayed motor development, progressive spasticity, and other neurologic impairment, including impaired intellectual development and speech delay. Some patients may have additional features, including bifid uvula, microcephaly, seizures, and variable ocular anomalies. One severely affected patient was reported to have cortical visual loss, sensorineural deafness, and achievement of almost no developmental milestones. Brain imaging shows white matter abnormalities, hypomyelination with progressive white matter loss, and sometimes cerebral atrophy. These significant additional abnormalities enable classification of this disorder as a complicated form of SPG (summary by Ahmed et al., 2017 and Horibata et al., 2018). For a discussion of genetic heterogeneity of autosomal recessive spastic paraplegia, see SPG5A (270800).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1711668">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1710411"><div><strong>Spastic paraplegia 82, autosomal recessive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1710411</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5394037</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spastic paraplegia-82 (SPG82) is a progressive neurologic disorder characterized by global developmental delay apparent from infancy, significant motor impairment, and progressive spasticity mainly affecting the lower limbs. Some patients never achieve walking, whereas others lose the ability to walk or walk with an unsteady gait. Additional features include variably impaired intellectual development with language difficulties, ocular anomalies, such as nystagmus and visual impairment, and seizures. Brain imaging shows progressive cerebral and cerebellar atrophy, as well as white matter hyperintensities. Based on the additional abnormalities, the disorder can be classified as a type of complicated SPG (summary by Vaz et al., 2019). For a discussion of genetic heterogeneity of autosomal recessive spastic paraplegia, see SPG5A (270800).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1710411">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1720448"><div><strong>Retinitis pigmentosa 88</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1720448</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5394208</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinitis pigmentosa-88 (RP88) is characterized by night blindness and constriction of peripheral visual fields, with mildly reduced visual acuity. Examination shows typical findings of RP, including attenuated retinal vessels, pale optic discs, and pigment deposits in the peripheral retinal pigment epithelium (Zobor et al., 2018; Hu et al., 2019; Albarry et al., 2019). For a discussion of genetic heterogeneity of RP, see 268000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1720448">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1768962"><div><strong>Optic atrophy 13 with retinal and foveal abnormalities</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1768962</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5435585</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Optic atrophy-13 with retinal and foveal abnormalities (OPA13) is an autosomal dominant disorder characterized by decreased visual acuity due to bilateral optic atrophy. Difficulties with color vision may also be apparent. The age at onset varies widely: most patients have onset in the first decade, but later onset even into adulthood has been reported. In addition to optic atrophy, most patients develop retinal pigmentary involvement and abnormal appearance of the fovea. Some patients may develop additional systemic features, including sensorineural deafness and progressive nephropathy resulting in renal failure. The disorder is associated with variable signs of mitochondrial dysfunction, including altered morphology, mtDNA depletion, and defective mtDNA replication (summary by Del Dotto et al., 2020, Piro-Megy et al., 2020). For a discussion of genetic heterogeneity of optic atrophy, see OPA1 (165500).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1768962">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1773574"><div><strong>Cone-rod synaptic disorder syndrome, congenital nonprogressive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1773574</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5436505</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Congenital nonprogressive cone-rod synaptic disorder syndrome (CRSDS) is characterized by retinal and neurodevelopmental disease as well as occasional anomalies of glucose homeostasis. Patients exhibit low vision, photophobia, and nystagmus, and show an electronegative waveform in response to bright flash under dark adaptation on electroretinography, with severely reduced and delayed light-adapted responses. Neurodevelopmental features include poor to no language and autistic behaviors (Mechaussier et al., 2020).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1773574">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1720703"><div><strong>Optic atrophy 12</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1720703</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5436534</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Optic atrophy-12 (OPA12) is an autosomal dominant neurologic disorder characterized by slowly progressive visual impairment with onset usually in the first decade, although later onset has been reported. Affected individuals have impaired color vision, photophobia, pale optic discs, optic nerve atrophy, and decreased thickness of the retinal nerve fiber layer. Some patients may exhibit additional neurologic features, including impaired intellectual development, dystonia, movement disorders, or ataxia (summary by Caporali et al., 2020). For a discussion of genetic heterogeneity of optic atrophy, see OPA1 (165500).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1720703">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1733837"><div><strong>Retinitis pigmentosa 90</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1733837</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5436588</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinitis pigmentosa-90 (RP90) is characterized by early-onset night blindness, within the first decade of life. Patients exhibit other typical features of RP, including retinal vessel attenuation, optic disc pallor, and retinal pigment epithelium (RPE) atrophy and pigmentation abnormalities. Macular pseudocoloboma and cystoid macular edema have also been observed (Pierrache et al., 2017). For a discussion of genetic heterogeneity of RP, see 268000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1733837">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1755099"><div><strong>Microcornea, rod-cone dystrophy, cataract, and posterior staphyloma 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1755099</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5436769</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Microcornea, rod-cone dystrophy, cataract, and posterior staphyloma-1 (MRCS1) is characterized by poor visual acuity in early childhood. Congenital cataract and microcornea are followed by rod-cone dystrophy, with later development of posterior staphyloma (Cai et al., 2019). Genetic Heterogeneity of Microcornea, Rod-Cone Dystrophy, Cataract, and Posterior Staphyloma MRCS2 (see 193220) is caused by mutation in the BEST1 gene (607854) on chromosome 11q12; 1 such family has been reported.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1755099">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1754121"><div><strong>Oculocutaneous albinism type 8</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1754121</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5436929</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Oculocutaneous albinism type VIII (OCA8) is characterized by mild hair and skin hypopigmentation, associated with ocular features including nystagmus, reduced visual acuity, iris transillumination, and hypopigmentation of the retina (Pennamen et al., 2021).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1754121">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1727728"><div><strong>Hermansky-Pudlak syndrome 11</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1727728</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5436936</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hermansky-Pudlak syndrome (HPS) is characterized by oculocutaneous albinism, a bleeding diathesis, and, in some individuals, pulmonary fibrosis, granulomatous colitis, and/or immunodeficiency. Ocular findings include nystagmus, reduced iris pigment, reduced retinal pigment, foveal hypoplasia with significant reduction in visual acuity (usually in the range of 20/50 to 20/400), and strabismus in many individuals. Hair color ranges from white to brown; skin color ranges from white to olive and is usually at least a shade lighter than that of other family members. The bleeding diathesis can result in variable degrees of bruising, epistaxis, gingival bleeding, postpartum hemorrhage, colonic bleeding, and prolonged bleeding with menses or after tooth extraction, circumcision, and/or other surgeries. Pulmonary fibrosis, colitis, and/or neutropenia have been reported in individuals with pathogenic variants in some HPS-related genes. Pulmonary fibrosis, a restrictive lung disease, typically causes symptoms in the early 30s and can progress to death within a decade. Granulomatous colitis is severe in about 15% of affected individuals. Neutropenia and/or immune defects occur primarily in individuals with pathogenic variants in AP3B1 and AP3D1.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1727728">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1786310"><div><strong>Leber hereditary optic neuropathy, autosomal recessive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1786310</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5543589</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1786310">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794199"><div><strong>Cone-rod dystrophy 22</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794199</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5561989</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cone-rod dystrophy-22 (CORD22) is a retinal dystrophy characterized by loss of central vision due to cone photoreceptor degeneration, with onset of symptoms ranging from the first to fifth decades of life. There is significant degeneration of the macula, as well as generalized cone system involvement that predominates over rod system dysfunction, including in the peripheral retina (Bertrand et al., 2021). For a general phenotypic description and discussion of genetic heterogeneity of CORD, see CORD2 (120970).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794199">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794220"><div><strong>Cataract 49</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794220</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5562010</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cataract-49 (CTRCT49) is characterized by congenital cataract located in the posterior region of the lens. Visual impairment has onset in early childhood (Sun et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794220">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794292"><div><strong>Chromosome 16q12 duplication syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794292</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5562082</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Chromosome 16q12 duplication syndrome is characterized by early-onset progressive cone dystrophy, with early blue cone involvement. Patients report reduced visual acuity in the first decade of life, as well as difficulty differentiating colors, photophobia, and reduced night vision (Kohl et al., 2021). Tritanopia can also be caused by heterozygous mutation in the OPN1SW gene (613522) on chromosome 7q32 (see 190900).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794292">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1811526"><div><strong>Gastrointestinal defects and immunodeficiency syndrome 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1811526</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5676901</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">PI4KA-related disorder is a clinically variable disorder characterized primarily by neurologic dysfunction (limb spasticity, developmental delay, intellectual disability, seizures, ataxia, nystagmus), gastrointestinal manifestations (multiple intestinal atresia, inflammatory bowel disease), and combined immunodeficiency (leukopenia, variable immunoglobulin defects). Age of onset is typically antenatal or in early childhood; individuals can present with any combination of these features. Rare individuals present with later-onset hereditary spastic paraplegia. Brain MRI findings can include hypomyelinating leukodystrophy, cerebellar hypoplasia/atrophy, thin or dysplastic corpus callosum, and/or perisylvian polymicrogyria.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1811526">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1810905"><div><strong>Retinitis pigmentosa 93</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1810905</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5676970</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinitis pigmentosa-93 (RP93) is characterized by mild to moderate rod-cone dystrophy with onset in the second or third decade of life. Patients have constricted visual fields with macular sparing and show mildly reduced visual acuity with mild to high myopia (Mejecase et al., 2019). For a general phenotypic description and a discussion of genetic heterogeneity of retinitis pigmentosa, see 268000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1810905">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1804234"><div><strong>Tessadori-Van Haaften neurodevelopmental syndrome 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1804234</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5677016</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Tessadori-Bicknell-van Haaften neurodevelopmental syndrome-4 (TEBIVANED4) is characterized by global developmental delay with poor overall growth, variably impaired intellectual development, learning difficulties, distal skeletal anomalies, and dysmorphic facies. Some patients have visual or hearing deficits. The severity and manifestations of the disorder are highly variable (Tessadori et al., 2022). For a discussion of genetic heterogeneity of TEBIVANED, see TEBIVANED1 (619758).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1804234">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1823960"><div><strong>Macular dystrophy, retinal, 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1823960</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5774187</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinal macular dystrophy-4 (MCDR4) is characterized by late-onset macular degeneration, with multiple drusen-like deposits, macular geographic atrophy, and choroidal neovascularization. Patients also exhibit extensive retinal dysfunction with impaired rod function (Zhou et al., 2022). For a general phenotypic description and discussion of genetic heterogeneity of retinal macular dystrophy, see MCDR1 (136550).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1823960">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1824017"><div><strong>Retinitis pigmentosa 95</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1824017</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5774244</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinitis pigmentosa-95 (RP95) is characterized by pale optic discs, attenuation of retinal vessels, and atrophy of the retinal pigment epithelium with bone-spicule pigmentation. Patients experience night blindness, and visual fields are restricted to approximately 10 degrees, with visual acuity ranging from normal to hand movement only. Age at onset of symptoms varies from childhood to the fifth decade of life (Van de Sompele et al., 2019). For a general phenotypic description and a discussion of genetic heterogeneity of retinitis pigmentosa, see 268000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1824017">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1824048"><div><strong>Combined oxidative phosphorylation deficiency 57</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1824048</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5774275</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Combined oxidative phosphorylation deficiency-57 (COXPD57) is an autosomal recessive multisystem mitochondrial disease with varying degrees of severity from premature death in infancy to permanent disability in young adulthood (Lee et al., 2022). For a discussion of genetic heterogeneity of combined oxidative phosphorylation deficiency, see COXPD1 (609060).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1824048">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1824070"><div><strong>Spinocerebellar ataxia, autosomal recessive 33</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1824070</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5774297</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spinocerebellar ataxia-33 (SCAR33) is a neurologic disorder characterized by delayed motor development apparent in infancy, unsteady ataxic gait, intention tremor, nystagmus, and speech delay with dysarthria. Some patients have seizures and/or learning difficulties. Brain imaging shows cerebellar hypoplasia (Elsaid et al., 2017).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1824070">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1824076"><div><strong>Retinitis pigmentosa 96</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1824076</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5774303</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinitis pigmentosa-96 (RP96) is characterized by difficulty with night vision and progressive visual field constriction beginning as early as the third decade of life, but most patients retain good visual acuity into the seventh decade. Funduscopy shows the typical features of RP, including bone-spicule pigmentation, attenuation of retinal vasculature, optic disc pallor, and cystic macular edema. Unlike patients with biallelic mutations in the SAG gene, they do not show the golden sheen of the fundus that is typical of Oguchi disease (Sullivan et al., 2017). For a general phenotypic description and discussion of genetic heterogeneity of retinitis pigmentosa, see 268000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1824076">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1830415"><div><strong>Usher syndrome type 3A</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1830415</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5779850</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Any Usher syndrome in which the cause of the disease is a mutation in the CLRN1 gene.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1830415">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1840510"><div><strong>Prolonged electroretinal response suppression 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1840510</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5829874</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1840510">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1841082"><div><strong>Cone-rod dystrophy 24</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1841082</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5830446</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cone-rod dystrophy-24 (CORD24) is characterized by night blindness, defective color vision, and reduced visual acuity. Macular atrophy, macular pigmentation deposits, and drusen-like deposits in the macula have been observed. Age at onset varies widely, from the first to the sixth decades of live (Kobayashi et al., 2000; Huang et al., 2013; Zenteno et al., 2023). For a general phenotypic description and discussion of genetic heterogeneity of CORD, see CORD2 (120970).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1841082">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1841088"><div><strong>Prolonged electroretinal response suppression 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1841088</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5830452</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Prolonged electroretinal response suppression-2 (PERRS2), also referred to as bradyopsia-2, is an autosomal recessive childhood-onset retinopathy characterized by markedly delayed dark and light adaptation, mild photophobia, difficulty seeing moving objects, moderately reduced visual acuity, normal color vision, normal fundi, and reduced rod and cone responses with prolonged recovery on electrophysiologic assessment (summary by Michaelides et al., 2010). For a discussion of genetic heterogeneity of prolonged electroretinal response suppression (PERRS), see 608415.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1841088">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1841123"><div><strong>Osteopetrosis, autosomal recessive 9</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1841123</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5830487</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive osteopetrosis-9 (OPTB9) is characterized by increased bone density and bone fragility, as well as renal failure. Vision may be compromised due to compression of the optic nerve secondary to osteopetrotic stenosis of the optic nerve canal (Xue et al., 2022). For a general phenotypic description and discussion of genetic heterogeneity of autosomal recessive osteopetrosis, see OPTB1 (259700).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1841123">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1841215"><div><strong>Retinitis pigmentosa 97</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1841215</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5830579</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Retinitis pigmentosa-97 (RP97) is characterized by onset of night blindness and visual field defects in the first decade of life, with later onset of reduced visual acuity (Kong et al., 2023). For a general phenotypic description and a discussion of genetic heterogeneity of RP, see 268000.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1841215">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1841277"><div><strong>Combined oxidative phosphorylation deficiency 58</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1841277</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5830641</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Combined oxidative phosphorylation deficiency-58 (COXPD58) is an autosomal recessive disorder characterized by a wide range of clinical presentations including neonatal lactic acidosis, epileptic encephalopathy, developmental delay and impaired intellectual development with nonspecific changes on brain MRI, or mitochondrial myopathy with a treatable neuromuscular transmission defect (Van Haute et al., 2023). For a discussion of genetic heterogeneity of combined oxidative phosphorylation deficiency, see COXPD1 (609060).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1841277">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1851745"><div><strong>Optic atrophy 14</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1851745</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5882708</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Optic atrophy-14 (OPA14) is characterized by adult-onset progressive reduction in visual acuity, with visual field defects progressing from the periphery to the center. Optic discs are pale and excavated, and there is loss of the retinal nerve fiber layer on optical coherence tomography (Charif et al., 2021). For a general phenotypic description and discussion of genetic heterogeneity of optic atrophy, see OPA1 (165500).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1851745">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1849731"><div><strong>Optic atrophy 15</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1849731</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5882716</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Optic atrophy-15 (OPA15) is a degenerative disorder of the retinal ganglion cells that leads to optic nerve atrophy and visual loss (summary by Gerber et al., 2021). For a discussion of genetic heterogeneity of optic atrophy, see OPA1 (165500).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1849731">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1847272"><div><strong>Garg-Mishra progeroid syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1847272</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5882717</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Garg-Mishra progeroid syndrome (GMPGS) is characterized by severe dwarfism, mandibular hypoplasia, microphthalmia, hyperopia, and partial lipodystrophy (summary by Garg et al., 2022).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1847272">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1851641"><div><strong>Optic atrophy 16</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1851641</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5882723</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Optic atrophy-16 (OPA16) is an autosomal recessive disorder characterized by a Leber hereditary optic neuropathy (LHON)-like isolated optic neuropathy and mild sensorineural hearing impairment (Fiorini et al., 2023). For a discussion of genetic heterogeneity of optic atrophy, see OPA1 (165500).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1851641">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1859952"><div><strong>Coloboma, ocular, autosomal dominant</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1859952</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5886785</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Coloboma is an ocular birth defect resulting from abnormal development of the eye during embryogenesis. It is defined as a congenital defect in any ocular tissue, typically presenting as absent tissue or a gap, at a site consistent with aberrant closure of the optic fissure. Failure of fusion can lead to coloboma of one or multiple regions of the inferior portion of the eye affecting any part of the globe traversed by the fissure, from the iris to the optic nerve, including the ciliary body, retina, and choroid. Coloboma is also frequently associated with small (microphthalmic) or absent (anophthalmic) eyes as part of an interrelated spectrum of developmental eye anomalies, and can affect either one or both eyes (summary by Kelberman et al., 2014). Microphthalmia/coloboma-12 (MCOPCB12) is characterized by inter- and intrafamilial variability. In addition to microphthalmia and coloboma, other ocular anomalies include iris hypoplasia, aphakia or small lens, lens subluxation, congenital cataract, microcornea, and sclerocornea. Some patients also exhibit neurodevelopmental anomalies (Deml et al., 2016; Williamson et al., 2020). For a discussion of genetic heterogeneity of colobomatous microphthalmia, see MCOPCB1 (300345).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1859952">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1856733"><div><strong>Microphthalmia/coloboma 11</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1856733</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5935584</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Microphthalmia/coloboma-11 (MCOPCB11) is characterized by ocular coloboma and related phenotypes such as inferior chorioretinal hypoplasia and/or optic disc hypoplasia, with occasional microphthalmia or high myopia. Incomplete penetrance as well as intrafamilial and intraindividual phenotypic variability have been observed (Liu et al., 2016; Aubert-Mucca et al., 2021; Jiang et al., 2021; Holt et al., 2022). For a discussion of genetic heterogeneity of colobomatous microphthalmia, see MCOPCB1 (300345).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1856733">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1853300"><div><strong>Macular dystrophy with or without cone dysfunction</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1853300</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5935594</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Macular dystrophy with or without cone dysfunction (MDCD) is a progressive autosomal recessive disorder characterized by reduced visual acuity and macular atrophy involving the fovea. Some patients also exhibit mild generalized cone dysfunction (Bauwens et al., 2024).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1853300">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1854023"><div><strong>Rothmund-Thomson syndrome, type 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1854023</dd><dt><span class="dotprefix"> •</span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS) Click for more information.">C5935619</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Rothmund-Thomson syndrome type 4 (RTS4) is characterized by severe short stature and microcephaly, widespread poikiloderma, and congenital cataracts and other ocular anomalies. Patients also exhibit sparse hair, facial dysmorphisms, photosensitivity with bullae, dystrophic nails, and bone abnormalities (Di Lazzaro Filho et al., 2023). For a general phenotypic description and discussion of genetic heterogeneity of Rothmund-Thomson syndrome, see RTS2 (268400).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1854023">Condition Record</a></div></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_108273" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">3-Methylglutaconic aciduria type 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_387867" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Achromatopsia 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_904646" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Achromatopsia 7</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_334280" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Adult-onset foveomacular vitelliform dystrophy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934662" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Aniridia 3</a></div><div class="jig-moreless" data-jigconfig="class: 'moveDown', moreText: 'See full list (264)', lessText: 'Show less', nodeBefore: 0"><span id="clinMore">
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462967" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Anterior segment dysgenesis 7</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_854817" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal dominant nonsyndromic hearing loss 58</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_137902" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal dominant optic atrophy classic form</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_854806" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive bestrophinopathy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_698415" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive inherited pseudoxanthoma elasticum</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_355339" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive nonsyndromic hearing loss 47</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_355338" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive nonsyndromic hearing loss 55</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_414112" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive optic atrophy, OPA7 type</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_220900" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Avellino corneal dystrophy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_422452" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Bardet-Biedl syndrome 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_855172" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Bardet-Biedl syndrome 16</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_856141" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Bardet-Biedl syndrome 5</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_347895" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Bietti crystalline corneoretinal dystrophy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_816693" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Bosch-Boonstra-Schaaf optic atrophy syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1647320" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Brain small vessel disease 1 with or without ocular anomalies</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_854781" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cataract 17 multiple types</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1684457" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cataract 48</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794220" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cataract 49</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794292" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Chromosome 16q12 duplication syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462154" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Chromosome 2p12-p11.2 deletion syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_3347" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Chédiak-Higashi syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_341256" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cobalamin C disease</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_78539" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cohen syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1859952" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Coloboma, ocular, autosomal dominant</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_860411" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Coloboma, ocular, autosomal recessive</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_400728" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Colobomatous macrophthalmia-microcornea syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1646555" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Combined oxidative phosphorylation defect type 15</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1824048" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Combined oxidative phosphorylation deficiency 57</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1841277" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Combined oxidative phosphorylation deficiency 58</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_356104" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone dystrophy 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_416518" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone dystrophy 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_332081" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone dystrophy with supernormal rod response</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_87386" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone monochromatism</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_393334" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone-rod dystrophy 12</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_413025" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone-rod dystrophy 13</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_482675" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone-rod dystrophy 16</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_815629" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone-rod dystrophy 18</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_862938" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone-rod dystrophy 19</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_483485" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone-rod dystrophy 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_863293" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone-rod dystrophy 20</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_891534" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone-rod dystrophy 21</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794199" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone-rod dystrophy 22</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1841082" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone-rod dystrophy 24</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_322083" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone-rod dystrophy 5</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_400963" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone-rod dystrophy 6</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1675017" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone-rod dystrophy and hearing loss 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1773574" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cone-rod synaptic disorder syndrome, congenital nonprogressive</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_316921" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital hypotrichosis with juvenile macular dystrophy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_339935" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital primary aphakia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_416373" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital stationary night blindness 1C</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_482845" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital stationary night blindness 1E</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_767313" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital stationary night blindness 1F</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_376299" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital stationary night blindness 2A</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_361814" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital stationary night blindness autosomal dominant 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_346616" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cornea plana 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_442478" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Corneal dystrophy, Fuchs endothelial, 6</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_332989" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Corneal dystrophy, lattice type 3A</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1684668" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Corneal dystrophy, Meesmann, 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648359" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Corneal dystrophy, posterior polymorphous, 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_387858" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Corneal dystrophy-perceptive deafness syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_481729" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Craniofacial anomalies and anterior segment dysgenesis syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_162903" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Deafness dystonia syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934601" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Dystonia, childhood-onset, with optic atrophy and basal ganglia abnormalities</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_815995" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Early-onset progressive neurodegeneration-blindness-ataxia-spasticity syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1684719" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ectodermal dysplasia with facial dysmorphism and acral, ocular, and brain anomalies</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_482022" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">EDICT syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_99275" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Epithelial basement membrane dystrophy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_343561" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Exudative vitreoretinopathy 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_337030" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Exudative vitreoretinopathy 2, X-linked</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_344184" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Exudative vitreoretinopathy 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_356171" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Exudative vitreoretinopathy 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_412872" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Exudative vitreoretinopathy 5</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_902559" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Exudative vitreoretinopathy 6</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_330396" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Facial dysmorphism-lens dislocation-anterior segment abnormalities-spontaneous filtering blebs syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_370593" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Familial cavitary optic disk anomaly</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_903733" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Familial progressive retinal dystrophy-iris coloboma-congenital cataract syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_40219" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Fibrous dysplasia of jaw</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_42055" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Focal dermal hypoplasia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_814203" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Foveal hypoplasia - optic nerve decussation defect - anterior segment dysgenesis syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_383962" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Friedreich ataxia 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1847272" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Garg-Mishra progeroid syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1811526" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Gastrointestinal defects and immunodeficiency syndrome 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_90939" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Gelatinous droplike corneal dystrophy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_96563" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Gillespie syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_409919" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Glaucoma 1, open angle, H</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_341387" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 15</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_761342" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 55</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_896387" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 75</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1727728" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hermansky-Pudlak syndrome 11</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_374912" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hermansky-Pudlak syndrome 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_854708" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hermansky-Pudlak syndrome 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_483344" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hermansky-Pudlak syndrome 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_854711" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hermansky-Pudlak syndrome 5</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_854714" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hermansky-Pudlak syndrome 6</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_481386" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hermansky-Pudlak syndrome 7</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_854728" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hermansky-Pudlak syndrome 8</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_327093" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hyperostosis cranialis interna</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_905068" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypomyelinating leukodystrophy 12</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1684826" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypopigmentation, organomegaly, and delayed myelination and development</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1682428" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ichthyotic keratoderma, spasticity, hypomyelination, and dysmorphic facial features</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648358" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual developmental disorder and retinitis pigmentosa; IDDRP</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_376145" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual disability-obesity-prognathism-eye and skin anomalies syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_91031" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Irido-corneo-trabecular dysgenesis</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1385311" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Isolated congenital megalocornea</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_410021" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Isolated microphthalmia 5</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_322281" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Isolated optic nerve hypoplasia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1613861" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Joubert syndrome 30</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_347545" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Joubert syndrome 5</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1645093" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Keratoconus 9</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_481743" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">LAMB2-related infantile-onset nephrotic syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_419026" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leber congenital amaurosis 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_326698" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leber congenital amaurosis 11</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_382544" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leber congenital amaurosis 13</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_442375" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leber congenital amaurosis 14</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462556" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leber congenital amaurosis 15</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_481692" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leber congenital amaurosis 16</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_348473" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leber congenital amaurosis 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_346808" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leber congenital amaurosis 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_344245" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leber congenital amaurosis 6</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462552" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leber congenital amaurosis 8</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_325277" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leber congenital amaurosis 9</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1646810" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leber congenital amaurosis with early-onset deafness</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1786310" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leber hereditary optic neuropathy, autosomal recessive</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_18145" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Lowe syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_863723" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Macular degeneration, early-onset</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_463134" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Macular degeneration, X-linked atrophic</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_863808" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Macular dystrophy with central cone involvement</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1853300" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Macular dystrophy with or without cone dysfunction</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_854716" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Macular dystrophy, retinal, 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1823960" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Macular dystrophy, retinal, 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_905986" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">MEND syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_902924" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Microcephaly and chorioretinopathy 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_320559" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Microcephaly with or without chorioretinopathy, lymphedema, or intellectual disability</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1755099" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Microcornea, rod-cone dystrophy, cataract, and posterior staphyloma 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_767506" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Microphthalmia, isolated, with coloboma 9</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1856733" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Microphthalmia/coloboma 11</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_815922" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mitochondrial DNA depletion syndrome 13</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_341851" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">MORM syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_815294" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type a, 12</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_815794" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myopia 22, autosomal dominant</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_815812" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myopia 23, autosomal recessive</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_324696" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myopia 6</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_863285" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Nanophthalmos 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_419735" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Nephropathic cystinosis</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1684803" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with absent language and variable seizures</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_155549" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neuronal ceroid lipofuscinosis 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1680245" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neuropathy, hereditary motor and sensory, type VIc, with optic atrophy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_334840" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Newfoundland cone-rod dystrophy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_147590" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">North Carolina macular dystrophy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_333352" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Nystagmus 1, congenital, X-linked</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_331657" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Nystagmus 2, congenital, autosomal dominant</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_374873" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Nystagmus 3, congenital, autosomal dominant</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_463102" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Nystagmus 6, congenital, X-linked</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_90991" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ocular albinism, type I</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_811705" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Oculocutaneous albinism type 6</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_815116" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Oculocutaneous albinism type 7</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1754121" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Oculocutaneous albinism type 8</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_905727" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Optic atrophy 10 with or without ataxia, intellectual disability, and seizures</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1720703" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Optic atrophy 12</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1768962" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Optic atrophy 13 with retinal and foveal abnormalities</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1851745" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Optic atrophy 14</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1849731" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Optic atrophy 15</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1851641" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Optic atrophy 16</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_371657" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Optic atrophy 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_898858" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Optic atrophy 9</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_478179" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Optic atrophy with or without deafness, ophthalmoplegia, myopathy, ataxia, and neuropathy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1841123" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Osteopetrosis, autosomal recessive 9</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1646806" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Patterned macular dystrophy 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_332348" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Patterned macular dystrophy 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934680" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Patterned macular dystrophy 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_440765" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Peroxisome biogenesis disorder 9B</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_162924" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pettigrew syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_39125" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Polyglandular autoimmune syndrome, type 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_322978" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Posterior polymorphous corneal dystrophy 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934763" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Progeroid and marfanoid aspect-lipodystrophy syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_901897" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal recessive 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_767507" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Progressive retinal dystrophy due to retinol transport defect</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1840510" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Prolonged electroretinal response suppression 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1841088" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Prolonged electroretinal response suppression 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_357280" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pseudoxanthoma elasticum, forme fruste</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_418932" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ramos-Arroyo syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934647" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">RCBTB1-related retinopathy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_83284" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Reis-Bucklers corneal dystrophy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_339002" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Renal coloboma syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_355864" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinal cone dystrophy 3A</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_355308" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinal cone dystrophy 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_863861" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinal dystrophy and obesity</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_863583" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinal dystrophy with inner retinal dysfunction and ganglion cell anomalies</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1381980" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinal dystrophy with or without macular staphyloma</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1666864" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinal macular dystrophy type 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_67395" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_357247" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 10</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_325055" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 11</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_374019" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 12</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_325056" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 14</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_400996" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 19</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_320323" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 27</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_336999" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_322781" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 32</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_339931" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 35</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_410004" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 37</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462351" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_442864" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 42</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462409" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 49</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_442563" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 50</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462065" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 51</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462169" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 56</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462171" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 57</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462577" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 59</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462784" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 60</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_481672" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 62</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_811638" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 66</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_816710" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 68</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_862749" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 69</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_863118" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 70</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_895867" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 72</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_907690" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 73</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_906896" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 74</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934671" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 76</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934593" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 77</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1378790" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 78</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1386200" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 79</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1637738" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 81</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648404" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 83</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1682947" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 85</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1720448" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 88</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1733837" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 90</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1810905" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 93</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1824017" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 95</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1824076" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 96</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1841215" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa 97</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1658130" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Retinitis pigmentosa with or without situs inversus</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_383145" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">RFT1-congenital disorder of glycosylation</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1854023" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Rothmund-Thomson syndrome, type 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_387907" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Senior-Loken syndrome 6</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_905171" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Senior-Loken syndrome 8</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_762020" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Short stature-optic atrophy-Pelger-HuC+t anomaly syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_11443" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Sjögren-Larsson syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_370750" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spastic ataxia 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1680026" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spastic ataxia 9, autosomal recessive</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1711668" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spastic paraplegia 81, autosomal recessive</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1710411" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spastic paraplegia 82, autosomal recessive</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_924883" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spastic paraplegia, intellectual disability, nystagmus, and obesity</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_373347" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 25</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1824070" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia, autosomal recessive 33</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_324684" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spondylometaphyseal dysplasia-cone-rod dystrophy syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_333146" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Stargardt disease 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_355004" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Stargardt disease 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1804234" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Tessadori-Van Haaften neurodevelopmental syndrome 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1643910" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Tyrosinase-negative oculocutaneous albinism</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_82810" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Tyrosinase-positive oculocutaneous albinism</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1830415" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Usher syndrome type 3A</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648430" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Visual impairment and progressive phthisis bulbi</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1636950" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Vitelliform macular dystrophy 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_411553" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Vitelliform macular dystrophy 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_863780" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Vitelliform macular dystrophy 5</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_481988" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Wolfram-like syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_336777" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">X-linked cone-rod dystrophy 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_336932" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">X-linked cone-rod dystrophy 3</a></div></span></div></div>
|
||
</div>
|
||
|
||
<div class="portlet mgSection" id="ID_105">
|
||
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Professional_guidelines">Professional guidelines</h1><a sid="105" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln"><h3 class="subhead">PubMed<a class="help jig-ncbi-popper" data-jig="ncbipopper" href="#guidelinesHelpPM"><img class="pulldown" src="//static.pubmed.gov/portal/portal3rc.fcgi/4223267/img/4204968" /></a></h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/38763223">Leveraging neural plasticity for the treatment of amblyopia.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Birch EE,
|
||
Duffy KR</span><br />
|
||
<span class="medgenPMjournal">Surv Ophthalmol</span>
|
||
2024 Sep-Oct;69(5):818-832.
|
||
Epub 2024 May 18
|
||
doi: 10.1016/j.survophthal.2024.04.006.
|
||
<span class="bold">PMID: </span><a href="/pubmed/38763223" target="_blank">38763223</a><a href="/pmc/articles/PMC11380599" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/35270677">Frailty Syndrome-Fall Risk and Rehabilitation Management Aided by Virtual Reality (VR) Technology Solutions: A Narrative Review of the Current Literature.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Zak M,
|
||
Sikorski T,
|
||
Wasik M,
|
||
Courteix D,
|
||
Dutheil F,
|
||
Brola W</span><br />
|
||
<span class="medgenPMjournal">Int J Environ Res Public Health</span>
|
||
2022 Mar 3;19(5)
|
||
doi: 10.3390/ijerph19052985.
|
||
<span class="bold">PMID: </span><a href="/pubmed/35270677" target="_blank">35270677</a><a href="/pmc/articles/PMC8910391" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/27586179">Orbital Approaches for Treatment of Carotid Cavernous Fistulas: A Systematic Review.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Phan K,
|
||
Xu J,
|
||
Leung V,
|
||
Teng I,
|
||
Sheik-Ali S,
|
||
Maharaj M,
|
||
Mobbs R,
|
||
Rao PJ</span><br />
|
||
<span class="medgenPMjournal">World Neurosurg</span>
|
||
2016 Dec;96:243-251.
|
||
Epub 2016 Aug 29
|
||
doi: 10.1016/j.wneu.2016.08.087.
|
||
<span class="bold">PMID: </span><a href="/pubmed/27586179" target="_blank">27586179</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(%22reduced%20visual%20acuity%22%5Btiab%3A~0%5D)%20AND%20(%22english%20and%20humans%22%5BFilter%5D)%20AND%20(%20(%22practice%20guideline%22%5BFilter%5D)%20OR%20(practice*%5Btitl%5D%20AND%20(guideline%5Btitl%5D%20OR%20parameter%5Btitl%5D%20OR%20resource%5Btitl%5D%20OR%20bulletin%5Btitl%5D%20OR%20best%5Btitl%5D))%20OR%20(genetic*%5Btitl%5D%20AND%20(evaluation%5Btitl%5D%20OR%20counseling%5Btitl%5D%20OR%20screening%5Btitl%5D%20OR%20test*%5Btitl%5D))%20OR%20(clinical%5Btitl%5D%20AND%20((expert%5Btitl%5D%20AND%20consensus%5Btitl%5D)%20OR%20utility%5Btitl%5D%20OR%20guideline*%5Btitl%5D))%20OR%20(management%5Btitl%5D%20AND%20(clinical%5Btitl%5D%20OR%20diagnos*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20pain%5Btitl%5D%20OR%20surveillance%5Btitl%5D%20OR%20emergency%5Btitl%5D%20OR%20guideline*%5Btitl%5D%20OR%20therap*))%20OR%20(treatment%5Btitl%5D%20AND%20((evaluation%5Btitl%5D%20AND%20diagnosis%5Btitl%5D)%20OR%20(assessment%5Btitl%5D%20AND%20prevention%5Btitl%5D)%20OR%20therap*))%20OR%20(Diagnos*%5Btitl%5D%20AND%20(prenatal%5Btitl%5D%20OR%20treatment%5Btitl%5D%20OR%20follow-up%5Btitl%5D%20OR%20statement%5Btitl%5D%20OR%20criteria%5Btitl%5D%20OR%20newborn%5Btitl%5D%20OR%20differential%5Btitl%5D%20OR%20neonatal%5Btitl%5D%20OR%20neonate%5Btitl%5D))%20OR%20(guideline*%5Btitl%5D%20AND%20(pharmacogenetic*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20evidence-based%5Btitl%5D%20OR%20consensus%5Btitl%5D%20OR%20(technical%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20(molecular%5Btitl%5D%20AND%20testing%5Btitl%5D)))%20OR%20(risk%5Btitl%5D%20AND%20assessment%5Btitl%5D)%20OR%20(recommendation*%5Btitl%5D%20AND%20(statement%5Btitl%5D%20OR%20Evidence-based%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(care%20AND%20((Patient%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20primary%5Btitl%5D%20OR%20psychosocial%5Btitl%5D))%20OR%20(Health%5Btitl%5D%20AND%20supervision%5Btitl%5D)%20OR%20(statement%5Btitl%5D%20AND%20(policy%5Btitl%5D%20OR%20position%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(pharmacogenetics%5Btitl%5D%20AND%20(Dosing%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20genotype*%5Btitl%5D%20OR%20drug*%5Btitl%5D))%20OR%20(Chemotherapy%5Btitl%5D%20AND%20decision*%5Btitl%5D)%20OR%20(screening%5Btitl%5D%20AND%20(newborn%5Btitl%5D%20OR%20neonat*%5Btitl%5D%20OR%20detection%5Btitl%5D%20OR%20diagnos*%5Btitl%5D))%20OR%20(criteria%5Btitl%5D%20OR%20genotype*%5Btitl%5D)%20)%20NOT%20(%22Case%20reports%22%5BPublication%20type%5D%20OR%20%22clinical%20study%22%5BPublication%20Type%5D%20OR%20%22randomized%20controlled%20trial%22%5BPublication%20Type%5D)" title="PubMed search">See all (39)</a></div></div>
|
||
</div>
|
||
<div class="display-none help-popup" id="guidelinesHelpPM">These guidelines are articles in PubMed that match specific search criteria developed by MedGen to capture the most relevant practice guidelines. This list may not be comprehensive and may include broader topics as well. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div><div class="display-none help-popup" id="guidelinesHelpCurated">These guidelines are manually curated by the MedGen team
|
||
to supplement articles available in PubMed. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div>
|
||
<div class="portlet mgSection" id="ID_103">
|
||
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Recent_clinical_studies">Recent clinical studies</h1><a sid="103" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln"><h3 class="subhead">Etiology</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/34257060">Mitochondrial Retinopathy.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Birtel J,
|
||
von Landenberg C,
|
||
Gliem M,
|
||
Gliem C,
|
||
Reimann J,
|
||
Kunz WS,
|
||
Herrmann P,
|
||
Betz C,
|
||
Caswell R,
|
||
Nesbitt V,
|
||
Kornblum C,
|
||
Charbel Issa P</span><br />
|
||
<span class="medgenPMjournal">Ophthalmol Retina</span>
|
||
2022 Jan;6(1):65-79.
|
||
Epub 2021 Jul 10
|
||
doi: 10.1016/j.oret.2021.02.017.
|
||
<span class="bold">PMID: </span><a href="/pubmed/34257060" target="_blank">34257060</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/34379565">Acute Uveitis following COVID-19 Vaccination.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">ElSheikh RH,
|
||
Haseeb A,
|
||
Eleiwa TK,
|
||
Elhusseiny AM</span><br />
|
||
<span class="medgenPMjournal">Ocul Immunol Inflamm</span>
|
||
2021 Aug 18;29(6):1207-1209.
|
||
Epub 2021 Aug 11
|
||
doi: 10.1080/09273948.2021.1962917.
|
||
<span class="bold">PMID: </span><a href="/pubmed/34379565" target="_blank">34379565</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/25086850">Nystagmus in childhood.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Papageorgiou E,
|
||
McLean RJ,
|
||
Gottlob I</span><br />
|
||
<span class="medgenPMjournal">Pediatr Neonatol</span>
|
||
2014 Oct;55(5):341-51.
|
||
Epub 2014 Jul 31
|
||
doi: 10.1016/j.pedneo.2014.02.007.
|
||
<span class="bold">PMID: </span><a href="/pubmed/25086850" target="_blank">25086850</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/17980020">Oculocutaneous albinism.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Grønskov K,
|
||
Ek J,
|
||
Brondum-Nielsen K</span><br />
|
||
<span class="medgenPMjournal">Orphanet J Rare Dis</span>
|
||
2007 Nov 2;2:43.
|
||
doi: 10.1186/1750-1172-2-43.
|
||
<span class="bold">PMID: </span><a href="/pubmed/17980020" target="_blank">17980020</a><a href="/pmc/articles/PMC2211462" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/15523201">Drug-induced corneal complications.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Hollander DA,
|
||
Aldave AJ</span><br />
|
||
<span class="medgenPMjournal">Curr Opin Ophthalmol</span>
|
||
2004 Dec;15(6):541-8.
|
||
doi: 10.1097/01.icu.0000143688.45232.15.
|
||
<span class="bold">PMID: </span><a href="/pubmed/15523201" target="_blank">15523201</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Reduced%20visual%20acuity%22%20AND%20Etiology%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (438)</a></div><h3 class="subhead">Diagnosis</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/34784642">Nystagmus: Diagnosis, Topographic Anatomical Localization and Therapy.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Strupp ML,
|
||
Straumann D,
|
||
Helmchen C</span><br />
|
||
<span class="medgenPMjournal">Klin Monbl Augenheilkd</span>
|
||
2021 Nov;238(11):1186-1195.
|
||
Epub 2021 Nov 16
|
||
doi: 10.1055/a-1525-0030.
|
||
<span class="bold">PMID: </span><a href="/pubmed/34784642" target="_blank">34784642</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/34379565">Acute Uveitis following COVID-19 Vaccination.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">ElSheikh RH,
|
||
Haseeb A,
|
||
Eleiwa TK,
|
||
Elhusseiny AM</span><br />
|
||
<span class="medgenPMjournal">Ocul Immunol Inflamm</span>
|
||
2021 Aug 18;29(6):1207-1209.
|
||
Epub 2021 Aug 11
|
||
doi: 10.1080/09273948.2021.1962917.
|
||
<span class="bold">PMID: </span><a href="/pubmed/34379565" target="_blank">34379565</a></div>
|
||
|
||
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<div class="portlet_content ln"><span class="medgenPMauthor">Pan Y,
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<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Reduced%20visual%20acuity%22%20AND%20Clinical%20prediction%20guides%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (256)</a></div></div>
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<div class="portlet mgSection" id="ID_104">
|
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Recent_systematic_reviews">Recent systematic reviews</h1><a sid="104" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
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<div class="nl"><a target="_blank" href="/pubmed/36683270">Immune Checkpoint Inhibitors and Optic Neuropathy: A Systematic Review.</a></div>
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<div class="portlet_content ln"><span class="medgenPMauthor">Pietris J,
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Santhosh S,
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Ferdinando Cirocco G,
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Lam A,
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<span class="medgenPMjournal">Semin Ophthalmol</span>
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Epub 2023 Jan 22
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doi: 10.1080/08820538.2023.2168494.
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<span class="bold">PMID: </span><a href="/pubmed/36683270" target="_blank">36683270</a></div>
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<div class="nl"><a target="_blank" href="/pubmed/33257800">Scope and costs of autorefraction and photoscreening for childhood amblyopia-a systematic narrative review in relation to the EUSCREEN project data.</a></div>
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<div class="portlet_content ln"><span class="medgenPMauthor">Horwood AM,
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Griffiths HJ,
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Carlton J,
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Mazzone P,
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Channa A,
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Nordmann M,
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Simonsz HJ;
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<span class="medgenPMjournal">Eye (Lond)</span>
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2021 Mar;35(3):739-752.
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Epub 2020 Nov 30
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<span class="bold">PMID: </span><a href="/pubmed/33257800" target="_blank">33257800</a><a href="/pmc/articles/PMC8026636" target="_blank" class="PubMedFree">Free PMC Article</a></div>
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<div class="nl"><a target="_blank" href="/pubmed/29183563">A systematic review and economic evaluation of adalimumab and dexamethasone for treating non-infectious intermediate uveitis, posterior uveitis or panuveitis in adults.</a></div>
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<div class="nl"><a target="_blank" href="/pubmed/25051925">Interventions for strabismic amblyopia.</a></div>
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<div class="portlet_content ln"><span class="medgenPMauthor">Taylor K,
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<div class="nl"><a target="_blank" href="/pubmed/21833955">Interventions for strabismic amblyopia.</a></div>
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<div class="portlet_content ln"><span class="medgenPMauthor">Taylor K,
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<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Reduced%20visual%20acuity%22%20AND%20systematic%5Bsb%5D%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (15)</a></div></div>
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|
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<h2 class="offscreen_noflow">Supplemental Content</h2>
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<div class="portlet_content ln"><ul><li><a href="/gtr/tests?term=C0234632%5bDISCUI%5d&filter=method%3A2%5F8" target="_blank">Deletion/duplication analysis (19)</a></li>
|
||
<li><a href="/gtr/tests?term=C0234632%5bDISCUI%5d&filter=method%3A2%5F7" target="_blank">Sequence analysis of the entire coding region (19)</a></li>
|
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<li class="portletSeeAll portletSeeAllPad"><total><a href="/gtr/tests?term=C0234632%5bDISCUI%5d" target="_blank">See all (19)</a></total></li>
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