The iris is the colored part of the eye. A circular muscle in the iris controls the amount of light that enters the eye through the pupil.
Pigment cells (melanin) in the iris produce its color. Each person's irises have a distinct color, texture, and pattern.
Author:Jeannette Curtis
Caroline Rea, RN, BS, MS
Caroline Rea, RN, BS, MS
Medical Review:Patrice Burgess, MD - Family Medicine
Adam Husney, MD - Family Medicine
Kathleen Romito, MD - Family Medicine
Adam Husney, MD - Family Medicine
Kathleen Romito, MD - Family Medicine
Last Updated: 05/25/2007
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