Q. The defective eye of a person has near point 0.5 m and point 3 m. The power far corrective lens required for
(i) reading purpose and
(ii) seeing distant objects, respectively are:
A. 0.5 D and +3D
B. +2D and โ 13 D
C. โ 2D and + 13D
D. 0.5 D and-3.0 D
Answer: +2D and โ 13 D