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Science TNSB Mentoring
Class 10
Optics
Working and Defects of the human eye
7.
Defects of the eye
Question:
2
m.
Select the best option:
1. The _______ lens is used to correct presbyopia eye
cylindrical
bifocal
convex
concave
2. _________ is caused by the imperfect structure of the eye lens as a result of cataract formation on the lens.
hypermetropia
astigmatism
myopia
presbyopia
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