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 ?

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

(i) Neeta needs a lens of power - 4.5D 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) Explain with the help of a diagram how this defect can be corrected ? (ii) State the functions of each of the following parts of human eye. (a) Cornea (b) Pupil (c) Iris (d) Retina

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

Draw a ray diagram showing the correction of myopia eye 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.