Question

7. What is the function of iris and the
muscles connected to the lens in
human eye?​

Answer 1

Answer:

Function of Iris: The iris is a muscular diaphragm that controls the size of the pupil, which, in turn, controls the amount of light entering the eye. It also gives colour to the eye. Function of ciliary muscles: The eye lens is held in position by the ciliary muscles.

Answer 2

Explanation:

FUNCTION OF IRIS: there is a muscular diaphragm which controls the size of pupil which In turn controls

the amount of light entering eye it also give colour to eye

FUNCTION OF CILIARY MUSCLES: the eye lens is held in position by the ciliary muscles

the focal length of eye lens is adjusted by the expansion and contraction of ciliary muscles