Question

Explain the function of Iris and Ciliary Muscles in Human eye​

Answer 1

Thus, the iris controls the size of the pupil and thereby regulates the amount of light entering the eye. When a distant object is to be observed, the ciliary muscles relax so that the eye becomes flat. This increases the focal length of the lens. Therefore , a sharp image of the distant object is formed on the retina.

Answer 2

Answer:

Function of parts in human eye:-

Iris: It controls the amount of light entering the eye.

Ciliary muscles: The focal length of the eye-lens can be changed by changing its shape by the action of ciliary muscles.

Explanation: