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physics148

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## Homework Statement

While carrying contact lenses of D=-2.00 diopters, a nearsighted person takes a vision test and finds that his/her far point is 10.0m

a) what is the person's far point without contact lenses?

b) what lens power is required to correct the myopia fully?

## Homework Equations

1/f = 1/o + 1/i

D=1/f

## The Attempt at a Solution

This problem was for homework in our optics class, but I don't know how to start the problem. Its not like the usual problems I've been doing. Any help would be greatly appreciated.