[单选题]
The near point of a farsigddzlb u(5- bn).xb)vkhted person is 100 c-r7npsf kz+vl /ba 0i-m. She places reading glasses close to hvb- 0pr-nl7fsz/i a k+er eyes, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is required?
