Vision Problems: A farsighted boy has a near point at 2.3 m and requires contact lenses to correct his vision to the normal near point. What is the correct choice of lens power for the contact lenses?
A. -0.28 diopters
B. +0.28 diopters
C. -3.6 diopters
D. +3.6 diopters
E. +1.8 diopters
Answer: D
Physics & Space Science
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