Question

List the parts of the human eye that control the amount of light entering into it. Explain, how they perform this function?

Answer 1

Answer:

Pupil acts as a window of the eye from where the light enters and its size is controlled by iris. Iris is a muscular diaphragm which controls the size of the pupil.

Answer 2

Answer:

Explanation:

Pupil acts as a window of the eye from where the light enters and its size is controlled by iris. Iris is a muscular diaphragm which controls the size of the pupil.