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 12/14/2020
Updated by: Franklin W. Lusby, MD, ophthalmologist, Lusby Vision Institute, La Jolla, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.