Problem based on prescribed bifocals


A patient is going to be prescribed bifocals which will be 2.50 cm from the eye. The prescribed powers (in diopters) for the bifocals are +1.60 and -0.40, and these bifocals give the patient normal vision (a) Without the bifocals, what is the patient's near point? (b) Without the bifocals, what is the patient's far point?

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Physics: Problem based on prescribed bifocals
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