Question

Define the optic nerve blind spot cillary muscle

Answer 1

optic nerve : it is the nerve that receives signals from retina cells and gives to the brain

blind spot :it is a spot at the junction of optic nerve and retina , here no vision is possible as there are no light sensitive cells

c)cilliary muscles :are muscles which adjust the size of pupil to control amount of light entering the eye in dark ciliary muscles contract and in light cilliary muscles relax

Answer 2

BLIND SPOT:THE PART OF EYE WHERE RATINA IS NOT AVAILABLE