Write the word or phrase that best completes each statement or answers the question. -A person is nearsighted with a far point of 75.0 cm. (a) What focal length contact lens is

Write the word or phrase that best completes each statement or answers the question.
-A person is nearsighted with a far point of 75.0 cm.
(a) What focal length contact lens is needed to give him normal vision?
(b) What is the power of the corrective lens?

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