The power of lens is -1.25D. Can it be used to correct some vision defect ? Identify
the type of vision defect.
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The power of lens is -1.25D. Can it be used to correct some vision defect ? Identify
the type of vision defect.
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Answer:
the power of lens is negative hence it is a concave lens.
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Answer:
negative sign is for concave lens and the defect would be myopia as when a person is suffering from myopia defect it can be corrected by adjusting focal lengh by concave lens