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Selwyn is 16 yr old and wears a spectacle having a power of +2 D. Answer the following questions: State two reasons why this defect is caused? |
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Answer» Solution :Curvature of the cornea and the EYE LENS decreases so that, the CONVERGING power of the lens becomes less . Due to the FLATTENING of the eye ball the distance between the lens and retina decreases. |
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