Noopur needs a lens of power-4.5 D for correction of her vision.
What are the causes of this defect?

Noopur needs a lens of power-4.5 D for correction of her vision. Draw ray diagrams showing the (a) defected eye and (b) correction for this defect.

Noopur needs a lens of power-4.5 D for correction of her vision. What kind of defect in vision is she suffering from?

Nooper needs a lens of power - 4.5 D for correction of her vision. (a) What kind of defect in vision is she suffering from ? (b) What is the focal length and nature of corrective lens ? (c) Draw ray diagrams showing the defected eye and correction for the defect. (d) What are the causes of this defect ?