Which one of the following statements with regard to a short-sighted person is correct?

Question

Which one of the following statements with regard to a short-sighted person is correct?

A short-sighted person sees the near objects blurred but distant objects clearly and a convex lens is used to correct this defect.
A short-sighted person sees the near objects clearly but distant objects are blurred and a concave lens is used to correct this defect
A short-sighted person sees the near objects blurred but distant objects clearly and a concave lens is used to correct this defect.
A short-sighted person sees the near objects clearly but distant objects blurred and a convex lens is used to correct this defect.

LohaHridoy

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2025-01-04 04:42

1 Answers

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AhmedNazir · Accepted Answer · 2022-09-04T04:29:57+06:00

Option 2 : A short-sighted person sees the near objects clearly but distant objects are blurred and a concave lens is used to correct this defect

The correct option is for A short-sighted person to see the near objects clearly but distant objects are blurred and a concave lens is used to correct this defect.

CONCEPT:

Myopia (short-sightedness):

It is a defect of the eye due to which a person can see a nearby object clearly but cannot see a far away object clearly.

EXPLANATION:

In this defect, the image is formed before the retina and far point come closer.

Defects of Vision	Details	Corrections
Hypermetropia or Farsightedness	The human eye can see distant objects clearly but cannot see nearby objects clearly.	Convex Lens
Presbyopia	In this defect, both near and far objects are not clearly visible. It is an old age disease and it is due to the losing power of accommodation.	Bifocal lenses
Astigmatism	In this defect, the eye cannot see horizontal and vertical lines clearly, simultaneously. It is due to the imperfect spherical nature of the eye lens.	Cylindrical