What Is the Function of the Cornea?

Answer

The cornea shields the rest of the eye from dust, germs and other harmful foreign matter. It also controls and focuses incoming light but contains no blood vessels to nurture or protect it against infection.
Q&A Related to "What Is the Function of the Cornea"
If I'm not mistaken, the cornea is the colorful ring surrounding the iris? I was told the cornea are the muscles that control dilation of the iris, controlling the amount of light
http://wiki.answers.com/Q/What_is_the_Function_of_...
The cornea is a barrier that shields the inside of the eye from germs,
http://www.chacha.com/question/what-is-the-functio...
Because the cornea is as smooth and clear as glass but as strong and durable as plastic, it helps the eye in two ways:
http://www.medhelp.org/gov/cornea.htm
Because the cornea is as smooth and clear as glass but is strong and durable, it helps the eye in two ways: It helps to shield the rest of the eye from germs, dust, and other harmful
http://www.healthieryou.com/cornea.html
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The iris contracts and expands the pupil, in reaction to the brightness of the surrounding light. It is a ring of muscle fibres positioned behind the cornea and ...
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