Anatomy
The Pupil and Iris
The iris is the colored part of your eye. The pupil is the black opening in the center that lets light in.
Visual Guide
The Pupil and Iris
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Structure & Components
- Pupils adjust to light
- Iris shows eye color
- Light response normal
- Pupils get bigger and smaller
- Responds to focus
- Beautiful eye appearance
Functions & Physiology
- Iris muscle controls pupil
- Muscles contract and relax
- Pupil gets bigger in dim light
- Pupil gets smaller in bright light
- Automatic response
- Protects retina from damage
Key Points
- Keep pupils functioning normally
- Avoid sudden bright light
- Gradual light adaptation helps
- Sunglasses reduce pupil strain
- Rest from bright light
- Normal function is healthy
Learn More About Eye Health
Understanding eye anatomy is the first step to protecting your vision. Our experts are here to answer any questions about eye health.
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