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Iris

Definition

The iris is the colored portion of the eye located between the cornea and lens. The iris' round, central opening (the pupil) contracts and dilates to control the entrance of light into the eye.

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Review Date: 8/17/2007

Reviewd By: Manju Subramanian, MD, Assistant Professor in Ophthalmology, Vitreoretinal Disease and Surgery, Boston University Eye Associates, Boston, MA. Review provided by VeriMed Healthcare Network.

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Iris

Definition

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