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Q.

A person is suffering from the defect astigmatism. Its main reason is______.

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a

Distance of the eye lens from retina is increased.

b

The cornea is not spherical.

c

 Distance of the eye lens from retina is decreased.

d

Power of accommodation of the eye is decreased. 

answer is C.

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Detailed Solution

Astigmatism is a defect that a person has. Its primary cause is:

  • Increased separation between the retina and the eye lens
  • Reduced distance between the retina and the eye lens
  • Not being spherical is the cornea The eye's ability to accommodate is lessened.
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A person is suffering from the defect astigmatism. Its main reason is______.