Q.

Myopia can be corrected by _____.


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a

Converging lens

b

Bifocal lens

c

Diverging lens

d

None of the above 

answer is C.

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Detailed Solution

Concept- Myopia, another name for short-sightedness, is brought on by the eyes becoming longer. We must determine how and where the picture is created in such eyes in order to obtain the answer to the necessary query.
A myopic individual can distinguish between close-up and distant things, but they cannot distinguish between them clearly. The distant point is closer to infinity for the person with this flaw. Only a few meters away would this individual be able to see clearly. The picture of a distant object in a myopic eye is created in front of the retina rather than at the retina itself.
Either the eyeball's elongation or the excessive curvature of the eye lens causes this problem. Utilizing a divergent or concave lens of the proper power will rectify this flaw.
As a result, choice (3) is the right response.
Let's look at schematics of the human eye with myopia to better comprehend the notion.
Question ImageWith the use of a divergent or concave lens of the proper power, the myopia-related defect of the eye can be fixed.
Question ImageHence, the correct option is 3.
 
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