Q.

Which among the following lens is used to correct Presbyopia?

A. Concave
B. Convex
C. Cylindrical
D. Bifocal
Answer» D. Bifocal
Explanation: Presbyopia is a condition associated with aging of the eye those results in progressively worsening ability to focus clearly on close objects. By far the most common treatment 4 for presbyopia is bifocal or pro gressive lens eyeglasses.
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