The amount of light entering the eye is controlled by the
A)pupil.
B)lens.
C)sclera.
D)cornea.

Question

Quizplus · Accepted Answer

The pupil is the opening in the center of the iris that controls the amount of light that enters the eye. When the pupil contracts, less light enters the eye and when it dilates, more light enters. The lens, sclera, and cornea all play roles in the focusing and transmission of light within the eye, but do not control the amount of light that enters.

The Amount of Light Entering the Eye Is Controlled by the