Answer :

(a) The scientific name for the part of the eye which carries the signals from the eye to the brain is called optic nerve.

(b) The muscle which changes the shape of the eye-lens is known as ciliary muscles.


(c) A hole in the middle of the iris is known as pupil.


(d) A clear window at the front of the eye is known as cornea.


(e) Eye-lens changes shape to focus a picture on the retina.


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