Question

What is the function of iris?​

Answer 1

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★The main function of iris is:-

• The function of the iris in the eye is to control the amount of light that reaches the retina.

• It does this by changing the size of the pupil, the transparent window that allows light into the eye's interior.

Answer 2

Answer:

In humans and most mammals and birds, the iris (plural: irides or irises) is a thin, annular structure in the eye, responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina. Eye color is defined by that of the iris.

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