The function of the iris is to control the amount of light entering the eye. It achieves this by adjusting the size of the pupil, thereby regulating the light that reaches the retina. This ensures optimal lighting conditions for clear ...
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The function of the Iris is Controlling the size of the pupil. The Iris, the colored part of the eye, regulates the diameter of the pupil, adjusting it in response to changes in light intensity to optimize visual clarity.