a
presbyopia
b
glaucoma
c
cataract
d
astigmatism
Explanation
Correct Option
cVideo Explanation
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Discussions (4)

peter samson
9 years ago
A cataract is a clouding of the eye's natural lens, which lies behind the iris and the pupil. Cataracts are the most common cause of vision loss in people over age 40 and is the principal cause of blindness in the world. ... A nuclear cataract forms deep in the central zone

Eshiozimede
4 years ago
Cataract is not an eye defect,astigmatism is caused as a result of unequal converture of the eye lens

