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A severely nearsighted person has a far point of 7.10 cm. By how many diopters should...

A severely nearsighted person has a far point of 7.10 cm. By how many diopters should the power of the eyes be reduced when laser vision correction is performed on this person?

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Answer #1

For a nearsighted person , far point is

So image distance from the lens is

And object distance from the lens is

Thin lens formula

Focal length of lens is

Power of lens needed is

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