Biology · Human Eye
What is the primary function of the iris in the human eye?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To control eyelid movement
- 2To move the lens forward and backward
- 3To alter the size of the pupil✓
- 4To refract light rays onto the retina
Correct answer
To alter the size of the pupil
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