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A person needs a lens of power -5.5 dioptres forcorrectinghisdistantvision.ifor vision?naturerrecting his near vision he needs a lens of power +1.5 dioptre. What is thelength of the lens required for correcting (ü) distant vision, and (ij near vision?The far point of a myopic person is 80 cm in front of the eye. What is thepower of the lens required to correct the proble

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