2(iii)
Fill in the blanks with suitable words:
The technical term for short sightedness is (a) ............... . This defect is caused because the eyeball is (b) ............... from front to back or the lens is too (c) ............... . It can be corrected by using a suitable (d) ............... lens. The power of the lens is mentioned in (e) ............... .
Show SolutionHide Solution↓
The technical term for short sightedness is (a) myopia . This defect is caused because the eyeball is (b) lengthened from front to back or the lens is too (c) curved . It can be corrected by using a suitable (d) concave lens. The power of the lens is mentioned in (e) minus.