Frequently asked questions about law enforcement in health care settings.

Patient & Family Education Materials

Start over with a New Search

What's the Iris?

Article Translations: (Spanish)

Iris

Say: EYE-ris

Your iris is the colored part of your eye. So if someone has brown eyes, it means that person's irises are brown. The iris is about more than looks, though. Your iris controls the size of the pupil — the black dot in the center of your eye — and how much light is let into your eye.

Back To Top

Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.

© 1995-2026 KidsHealth ® All rights reserved. Images provided by iStock, Getty Images, Corbis, Veer, Science Photo Library, Science Source Images, Shutterstock, and Clipart.com

Give to Kids Day

Today is Give to Kids Day!

A day for our generous community to join together to ensure that even the tiniest hearts get the strongest possible start.