JAMB - Physics (2015 - No. 56)
The eyeball consists of a round tough white skin called
Sclerotic
Choroid coal
Optical fiber
Accommodation
הֶסבֵּר
Sclerotic coat (sclera) is the tough outer coat of the eye that coves the eyeball (ii) sclerotic coat is modified in front of the eye to from a transparent and horny window