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.
June 9, 2011
Kathleen Romito, MD - Family Medicine & Christopher J. Rudnisky, MD, MPH, FRCSC - Ophthalmology
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