Cornea, Lens, and Iris
Current as of: May 5, 2019
Author: Healthwise Staff
Medical Review:Adam Husney, MD – Family Medicine & Kathleen Romito, MD – Family Medicine
The iris is the colored part of the eye. A circular muscle in the iris controls the amount of light entering the eye through the pupil, the black area in the center of the iris. The cornea is the outer clear, round structure that covers the iris and the pupil. The cornea directs light rays into the eye and helps focus…