Name three common defects of vision. What are their causes? Name the type of lens used to correct each of them.
Answers
Answered by
5
MYOPIA (SHORTSIGHTEDNESS) :- CONCAVE LENS
HYPER MYOPIA (LONGSIGHTEDNESS) :- CONVEX LENS
ASTIGMATISM :- EYEGLASSES AND CONTACT LENS.
HYPER MYOPIA (LONGSIGHTEDNESS) :- CONVEX LENS
ASTIGMATISM :- EYEGLASSES AND CONTACT LENS.
Similar questions