The cornea is the clear layer covering the front of the eye. The cornea works with the lens of the eye to focus images on the retina.
Last reviewed 11/20/2012 by Franklin W. Lusby, MD, Ophthalmologist, Lusby Vision Institute, La Jolla, California. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, Stephanie Slon, and Nissi Wang.
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