Distance between eyes and the glasses
A nearsighted patient's far point is 0.612 m from her eyes. She is able to see distant objects in focus when wearing glasses with a refractive power of -1.7 diopters. What is the distance between her eyes and the glasses?
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What should be the refractive power (in diopters) of her glasses (worn 2.6 cm from the eyes), so she can read the newspaper at a distance of 25 cm from the eyes?
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