Suppose a person's near-point distance is 67.0 cm. (a) Is the refractive power of the eyeglasses that
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(a) Is the refractive power of the eyeglasses that allow this person to focus on an object just 25.0 cm from the eye greater than or less than 2.53 diopters, which is the refractive power when the near-point distance is 57.0 cm? The glasses are worn 2.00 cm in front of the eyes.
(b) Find the required refractive power for this person's eyeglasses.
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