BIOLOGICAL APPLICATION (This problem refers to the model

Chapter , Problem 69

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BIOLOGICAL APPLICATION (This problem refers to the model eye described in 67.) In an eye that exhibits farsightedness, the eye may be able to focus on distant objects but cannot focus on close objects. (a) Show that for a farsighted model eye capable of focusing only as close as a distance the maximum value of the power is given by (b) Show that, compared to a model eye capable of focusing as close as a distance (where the maximum power of the farsighted lens is too small by (c) What power contact lens would be needed to correct the vision of a farsighted model eye, with so that the eye may focus on objects as close as 15 cm?

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