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The cornea is the transparent part of the eye that covers the iris. It is also the main light bending part of the eye.
Review Date 8/5/2024
Updated by: Franklin W. Lusby, MD, Ophthalmologist, Lusby Vision Institute, La Jolla, CA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.