You are designing contact lenses for someone whose near point is 43 cm. What focal length lens should you prescribe so that an object can be clearly seen when placed at 25 cm in front of the eye?
A) "43 cm"
B) "18 cm"
C) "-15 cm"
D) "60 cm"

Question

Quizplus · Accepted Answer

The Answer of You are designing contact lenses for someone whose near point is 43 cm. What focal length lens should you prescribe so that an object can be clearly seen when placed at 25 cm in front of the eye?
A) "43 cm"
B) "18 cm"
C) "-15 cm"
D) "60 cm"

You Are Designing Contact Lenses for Someone Whose near Point