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<h1>
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<span>Your Eyes’ Natural Defenses</span>
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<link href="/themes/custom/nei/css/kids/style-custom.css" rel="stylesheet" type="text/css"><link href="/themes/custom/nei/css/kids/style-your_eyes_defense-custom.css" rel="stylesheet" type="text/css"><div id="neikids-yed-main"><div class="neikids-header-head-container"><img src="/sites/default/files/kids/your_eyes_defense/your_eyes_natural_defenses.png" alt="Your eyes natural defenses" width="819" height="198" loading="lazy"></div><div class="neikids-header-text-container"><p>Your eyes are delicate. That’s why your body has built-in ways to protect them. Here’s how:</p></div><div class="neikids-item-container"><div><button class="neikids-item-image-highlight gif-swap" style="background-image:url('/sites/default/files/kids/your_eyes_defense/image-1.jpg');" alt id="neikids-item-1">
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<span class="visually-hidden">Play eye animation</span>
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</button></div><p>Your eyes lie in bony sockets that protect them from getting hit.</p></div><div class="neikids-item-container"><div><button class="neikids-item-image-highlight gif-swap" style="background-image:url(/sites/default/files/kids/your_eyes_defense/image-2.jpg);" alt id="neikids-item-2">
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<span class="visually-hidden">Play eyebrow animation</span>
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</button></div><p>Eyebrows help shield your eyes from bright light.</p></div><div class="neikids-item-container"><div><button class="neikids-item-image-highlight gif-swap" style="background-image:url(/sites/default/files/kids/your_eyes_defense/image-3.jpg);" alt id="neikids-item-3">
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<span class="visually-hidden">Play eyelids animation</span>
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</button></div><p>Eyelids close to keep harsh light and harmful objects out. Eyelids also keep moisture in.</p></div><div class="neikids-item-container"><div><button class="neikids-item-image-highlight gif-swap" style="background-image:url(/sites/default/files/kids/your_eyes_defense/image-4.jpg);" alt id="neikids-item-4">
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<img src="/sites/default/files/kids/your_eyes_defense/image-4.png" alt loading="lazy" width="472" height="332">
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<span class="visually-hidden">Play eyelashes animation</span>
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</button></div><p>Eyelashes help catch dust and debris before they get into your eyes.</p></div><div class="neikids-item-container"><div><button class="neikids-item-image-highlight gif-swap" style="background-image:url(/sites/default/files/kids/your_eyes_defense/image-5.jpg);" alt id="neikids-item-5">
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<span class="visually-hidden">Play tears animation</span>
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</button></div><p>Tears help keep the eyes moist. Tears also help wash away things that can irritate your eyes.</p></div><div class="neikids-item-container"><div><button class="neikids-item-image-highlight gif-swap" style="background-image:url(/sites/default/files/kids/your_eyes_defense/image-6.jpg);" alt id="neikids-item-6">
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<img src="/sites/default/files/kids/your_eyes_defense/image-6.png" alt loading="lazy" width="472" height="332">
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<span class="visually-hidden">Play blinking animation</span>
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</button></div><p>Blinking helps keep your eyes from getting too dry. Remember to blink while you read or work on your computer.</p></div></div><div class="neikids-yed-video neikids-video-block"><div class="c-accessible-video has-ad-id"><h2 class="c-video__heading">Ask a Scientist: Nearsighted or Farsighted</h2><div class="video-embed-wrapper"><p><a class="u-skip-video" href="#video-skip-anchor-00010">Skip video</a></p><div class="video-embed-wrapper-inner"><iframe class="accessible-video-iframe" width="560" height="315" data-std-video-id="https://www.youtube.com/embed/XcBE3Migj9c" data-ad-video-id="https://www.youtube.com/embed/ct1xKw_s6Is" src="https://www.youtube.com/embed/XcBE3Migj9c" allowfullscreen title="Ask a Scientist: Nearsighted or Farsighted (embedded video)" loading="lazy"></iframe></div></div><div class="video-skip-anchor" id="video-skip-anchor-00010" tabindex="-1"> </div><p><a class="c-video-toggle" href="https://www.youtube.com/embed/ct1xKw_s6Is">Switch to video with audio description</a></p><p>Dr. Cheri Wiggs talks about what happens to our eyes when we cry and what it means to be nearsighted or farsighted.</p></div></div><div class="neikids-yed-footer" id="neikids-footer"><div class="neikids-didyouknow-container"><div><img src="/sites/default/files/kids/your_eyes_defense/brain-icon.png" alt width="50" height="49" loading="lazy"></div><h2>Did You Know?</h2><p>Each eye weighs about 1/4 ounce, measures less than 1 inch in diameter, and is shaped like a slightly flattended ball.</p></div></div><script type="text/javascript" src="/themes/custom/nei/js/kids/jquery.min.js"></script><script type="text/javascript" src="/themes/custom/nei/js/kids/main-gif.js"></script><p><input id="animatingitems" type="hidden" value="0"></p>
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<p class="views-element-container c-last-updated" id="block-views-block-nei-last-updated-block-1"><strong>Last updated:</strong> November 22, 2024</p>
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