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Jakob Littel

Feb 20, 2025

A nearsighted woman has a far point of 314 cm. What kind of lens, converging or diverging, should be prescribe?

A nearsighted woman has a far point of 314 cm. What kind of lens, converging or diverging, should be prescribed for her to see distant objects more clearly? What power should the lens have? D

1 Answers

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Hermina Ferry

Feb 20, 2025

To correct nearsightedness the object distance is infinity and the image is at -314cmSo from 1/f = 1/do + 1/di we have f = di = -314cm which is -3.14mSo the power is 1/-3.14 = -0.318 diopterand the lens is diverging... Show More

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