The cornea is a transparent structure that covers the iris. Certain metabolic diseases, trauma, infectious diseases, nutritional deficiencies and environmental situations may cause the cornea to be less transparent and cloudy. If the cornea becomes cloudy, it can lead to various degrees of vision loss.

Review Date: 12/5/2001 12:00:00 AM Reviewed By:A.D.A.M. Medical Illustration Team

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