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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.
Updated by: Audrey Tai, DO, MS, Athena Eye Care, Mission Viejo, CA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
