If a person cannot see an object clearly when it is placed at about 25 cm away from him, he is suffering from:
Mypoia
Hypermetropia
Astigmatism
Presbyopia
None of these
A
Hypermetropia
B
Astigmatism
C
Mypoia
D
Presbyopia
E
None of these
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Solution
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Hypermetropia is a defect in which a person is unable to see close objects clearly. The
near point, for the person, is farther away from the near point of normal people (25 cm).
This defect arises
either because
(i) the focal length of the eye lens is too
long, or
(ii) the eyeball has become too small.
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