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2014-12-24T10:36:24+05:30

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Myopia:
Myopia is called as shortsightedness.
In this case the person can see a nearby object clearly but cannot see a distant object distinctly.
This is caused when the light rays from a far away object falls at a distance just before the retina.
It can be treated by using concave lenses of suitable power.
It is caused due to excessive curvature of eye lens or elongation of eye ball.

Hypermetropia:
It is called as farsightedness.
In this case the person can see a distant object clearly but cannot see a nearby object distinctly.
This is caused when the light rays from a nearby object falls at a distance behind the retina.
It can be treated by using convex lenses of suitable power.
It is caused when eye ball is too short and when power of lens decreases.
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nice answer keerthika
tq yaar
yap
best one,fabulous answer.
tq vikrant
2014-12-25T10:09:02+05:30

This Is a Certified Answer

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Myopia is nothing but shortsightedness. Person can see a nearby object clearly and cannot see a distant object perfectly.This is caused when the light rays from a far away object falls at a distance just before the retina. this problem can be avoided by using concave lens.Hypermetropia is nothing but long sightedness. Person can see a far object clearly and cannot see a nearby object perfectly. this is caused when the light rays from a far away object falls at after the retina.This problem can be avoided by using convex lens.
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