. What is hypermetropia? State the two causes ofhypermetropia. With the help of labeled diagram show c) Eye defect d) Correction of hypermetropia.
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This vision problem occurs when light rays entering the eye focus behind the retina, rather than directly on it. The eyeball of a farsighted person is shorter than normal. Many children are born farsighted, and some of them "outgrow" it as the eyeball lengthens with normal growth.
causes of hypermetropia---It is caused by the failure of the lens to return to its normal rounded shape, or. by the eyeball being too short, with the result that the image is focused on a point behind the retina.
causes of hypermetropia---It is caused by the failure of the lens to return to its normal rounded shape, or. by the eyeball being too short, with the result that the image is focused on a point behind the retina.
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hypermetropia or long sightedness : it's a defect of human eye in which a person can't see the nearby objects clearly but is able to see distant objects. The near point of an hypermetropic eye is more than 25cm.
Two causes :
due to low converging power of eye lens
2.due to eye ball being too short
for diagram image attached if like please thank my answer
Two causes :
due to low converging power of eye lens
2.due to eye ball being too short
for diagram image attached if like please thank my answer
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