whts is short sightness and long sightness ? how is it corrected
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Long-sightedness (hyperopia) Some people have eyes that are too short, which means the light focuses behind the retina at the back of the eye (they are long-sighted). ... Long-sightedness can be corrected by glasses or contact lenses.
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a person who is suffering from short sightedness can see near objects but can't see distant object called myopia and it is corrected by concave lens.....
a person who is suffering from long sightedness can see distant object but can't see nearby object called hypermetropia. it is corrected by convex lens
a person who is suffering from long sightedness can see distant object but can't see nearby object called hypermetropia. it is corrected by convex lens
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