Question

How iris protect the retina from bright light?​

Answer 1

In dim light, the opening in the center of the iris expands to allow more light to enter the pupil. In bright light, this opening constricts to decrease the amount of light entering the eye to protect it from damage.

Answer 2

Answer:

In dim light, the opening in the center of the iris expands to allow more light to enter the pupil. In bright light, this opening constricts to decrease the amount of light entering the eye to protect it from damage.