Match the following defects related to human eye and method to overcome it List I List II ...........

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Match the following defects related to human eye and method to overcome it

List I	List II
A. Myopia	1. In old age, often require bi-focal lens
B. Hypermetropia	2. Use of convex lens
C. Presbyopia	3. Use of concave lens
D. Astigmatism	4. Cylindrical lens

code

A B C D

1 2 3 4

3 2 1 4

1 4 3 2

3 4 1 2

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Explanation:

Near-sightedness, also known as short-sightedness and myopia, is a condition of the eye where light focuses in front of, instead of on, the retina. This causes distant objects to be blurry while close objects appear normal. Far-sightedness, also known as long-sightedness and hyperopia, is a condition of the eye in which light is focused behind, instead of on, the retina. This causes close objects to be blurry, while far objects may appear normal. Presbyopia is a condition associated with aging of the eye that results in progressively worsening ability to focus clearly on close objects.