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Mannu bhandari ne apni maa ke baare mai kya kaha hai? |
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Answer» e PEOPLE, in old AGE, SUFFER from myopia (mearsightedness) as well as hypermetropia (FARSIGHTEDNESS). (2) Myopia is corrected using a concave lens of appropriate power. Hypermetropia is corrected enhriae using a convex lens of appropriate power. Therefore, they need a bifocal lens. |
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