An eye specialist suggested a+2D lens to the person with defect in vision. Which kind of defect in vision does he have ? Draw the diagrams to show the defect of vision and its correction with a suitable lens.

Defects of Vision and their Correction

Defects of Vision and their Correction

Defect Of Vision And Their Correction

Which type of defect of vision is rectified a convex lens?

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

Defect of vision that cannot be corrected by spectacles is:

Example with the help of labelled ray diagram, the defect of vision called myopia and how it is corrected by a lens.

A child while playing with his father's spectacles, burnt a hole in a piece of tissue paper by focussing the image of the sun on the paper. (a) Name the defect of vision his father is suffering from. (b) List two causes of the defect. ( c) Draw a ray diagram to show this defect may be corrected using a suitable lens.