Overview
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.
Review Date 11/10/2022
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.