HUMAN NUTRITION

NUTRITION

THE HUMAN BODY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
the function of eye muscle is ____ ?
A
control size of iris
B
control size of pupil
C
control eyelid opening
D
None of the above
Explanation: 

Detailed explanation-1: -The sphincter muscle fibers are located near the pupillary margin and are slightly anterior to the pigmented epithelium of the iris. It encircles the pupil of the iris and functions to constrict the pupil in bright light via the pupillary light reflex or during accommodation.

Detailed explanation-2: -The iris muscles regulate the size of the pupil and control the amount of light entering it.

Detailed explanation-3: -Your pupil lets light into your eye as the muscles of your iris change its shape. The lens in your eye focuses light that passes through your pupil.

There is 1 question to complete.