EYE

Although small in size, the eye is an extremely complex organ that captures light and transforms it into impulses that the brain can interpret as images. Discover the different muscles, parts and conditions of the eye.
How much do you know about the human body?
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Is it possible to change your eye color?

Think your peepers are passé? Some cutting-edge cosmetic procedures can take your brown eyes to bright blue — with a few inherent risks.

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  • 10 Crazy Things Contacts Can Do

    10 Crazy Things Contacts Can Do

    Contact lenses have been correcting vision for more than a century, but lenses today can make you look like a cat, monitor your blood sugar and maybe even make you a better athlete. See more »

  • Are carrots really good for your eyesight?

    Are carrots really good for your eyesight?

    It's another one of those things your parents told you to persuade you to eat vegetables. But besides turning orange, if you ate a bunch of carrots, would you develop superhuman vision? See more »

  • Are there really arachnids living in my eyelashes?

    Are there really arachnids living in my eyelashes?

    If someone told you that oodles of arachnids are jumping (and mating) all over your eyelashes, you might be inclined to laugh it off. That sounds more like a scene from a horror movie than a scientific reality, right? Right? See more »

  • Does reading in dim light really hurt your eyes?

    Does reading in dim light really hurt your eyes?

    When bedtime comes far too early, a child may be tempted to read under their covers by flashlight. Parents say the habit will ruin your eyes -- but is this old admonition true or false? See more »

  • Glaucoma Overview

    Glaucoma Overview

    For those of us who depend so heavily on our sense of sight, the idea of losing it is scary. Even scarier? The prospect of losing it without warning due to a silent thief called glaucoma. See more »

  • How Colorblindness Works

    How Colorblindness Works

    Roses are red, violets are blue -- well, bluish. The sky is blue, too. Grass is green. These are things that most of us know for a fact and don't question. But what if you were colorblind? What would you see? Is life one long black-and-white movie? See more »

  • Is it possible to change your eye color?

    Is it possible to change your eye color?

    Think your peepers are passé? Some cutting-edge cosmetic procedures can take your brown eyes to bright blue — with a few inherent risks. See more »

  • Is it possible to cry blood?

    Is it possible to cry blood?

    Poetry is full of references to salty and bitter tears, but there's not much about bloody tears. Besides movie villains who weep blood, is this phenomenon real? See more »

  • Is sitting too close to the TV really bad for your eyes?

    Is sitting too close to the TV really bad for your eyes?

    Are you getting too up close and personal with your TV? Your eyes might think so. See more »

  • Is too much TV really bad for your eyes?

    Is too much TV really bad for your eyes?

    When you can't take your eyes of the boob tube for one entire Saturday afternoon, are you doing them irreversible damage? Your parents probably told you so, when you were a kid. Were they right? See more »

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