Question

Change in size of pupil is controlled by which part of brain

Answer 1

The iris is the colored part of the eye. Although it might seem purely cosmetic, the iris actually functions toadjust the size of the pupil. It has muscles that contract or expand depending on the amount of light thepupil needs to process images.

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Answer 2

The iris regulates the amount of light that enters your eye by adjusting the size of the pupil opening.


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