If you have hypermetropia, you should wear convex lenses.
Given,
u = -25cm object distance
v = -50cm image distance
1/v-1/u=1/f
100/f = 100/50 = 2D
The near point of a person suffering from hypermetropia is at 50cm from his eye. What is the nature and power of the lens needed to correct this defect?
The near point of a person suffering from hypermetropia is at 50cm from his eye. What is the nature and power of the lens needed to correct this defect?