InterviewSolution
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InterviewSolution
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A person is suffering from both myopia and hypermetropia. (i) What kind of lenses can correct this effect? (ii) How are these lenses prepared? |
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Answer» SOLUTION :(i) The person should use bifocal lenses. (II) A bifocal lens is a combination of CONCAVE and another convex lens. Usually upper PORTION consists of a concave lens and facilitates distant vision. The lower part is a convex lens and facilitates near vision. |
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