Question

A certain farsighted person has a near point of 50 cm.
(a) Which type of contact lenses, (1) converging, (2) diverging, or (3) (2) diverging, or(3) bifocal, should an optometrist prescribe to enable the person to see clearly objects as close as 25 cm? Explain.
(b) What is the power of the lenses, in diopters?


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  • CreatedAugust 29, 2015
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