what is the function of Iris
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The colored part of the eye which helps regulate the amount of light entering the eye. When there is bright light, the iris closes thepupil to let in less light. And when there is low light, the iris opens up the pupil to let in more light. Focuses light rays onto the retina....
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Iris: A dark muscular tissue and ring-like structure behind the cornea are known as the iris. The colour of iris actually indicates the colour of the eye. The iris also helps regulate or adjust exposure by adjusting the iris.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.
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