Iris

The iris is the coloured part of the eye. A circular muscle in the iris controls the amount of light that enters the eye through the pupil.

Pigment cells in the iris produce its colour. Each person's irises have a distinct colour, texture, and pattern.

Is it an emergency?

If you or someone in your care has chest pains, difficulty breathing, or severe bleeding, it could be a life-threatening emergency. Call 9-1-1 or the local emergency number immediately.
If you are concerned about a possible poisoning or exposure to a toxic substance, call Poison Control now at 1-800-567-8911.

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