The amount of light that enters into the eye is controlled by the

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The iris controls the amount of light that enters the eye by adjusting the size of the pupil. When the iris relaxes, the pupil becomes smaller, reducing the amount of light that enters the eye. When the iris contracts, the pupil becomes larger, allowing more light to enter the eye. The lens, retina, and cornea also play important roles in vision, but they do not control the amount of light that enters the eye.

The Amount of Light That Enters into the Eye Is