Question

power of 5.5 diopter for correcting his distant vision for correcting his near vision he needs a lens of power plus 1.5 diopter what is the focal length of the lens required for correcting first a distant vision and second year result​

Answer 1

Explanation:

Focal length of the lens required for correction for near vision is 66.7 cm . Since the focal length is positive, the lens used is convex lens