Question

What is Iris. .......................

Answer 1

HELLO MATE❤

muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye; it forms the colored portion of the eye. iris, iris diaphragm(noun) diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening.

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Answer 2

A flat coloured ring shaped membrane behind the cornea of the eye