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Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their health. Our providers may not see and/or treat all topics found herein.

Pupil

The pupil is the black area in the center of the iris, the colored part of the eye. The iris controls the size of the pupil in response to light outside the eye so that the proper amount of light is let into the eye.

Light passes through the pupil to the back of the eye, where an image is formed of what the eye is looking at.

Current as of: September 27, 2023

Author: Ignite Healthwise, LLC Staff

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