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Iris: Anatomy, Function, and Associated Conditions
The iris is the colored part of the eye that helps control how much light enters the eye. Some health conditions of the iris can cause the pupils to be different sizes or cause the iris to be ...
Verywell Health on MSN
Pupil function and disorders that affect it
Medically reviewed by Johnstone M. Kim, MD Key Takeaways The pupil controls how much light enters the eye, allowing for clear ...
The iris in the human eye is a tissue that regulates the amount of light coming into the eye by changing the size of the pupil. This way, the retina always receives the correct amount of light, ...
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