Question

explain the defect of vision(a) myopia and (b) hypermetropia and there correction with the help of diagram

Answer 1

Defects of the eye: Myopia: (nearsightedness) This is a defect of vision in which far objects appear blurred but near objects are seen clearly. ... This occurs when the eyeball is too short or the refractive power of the lens is too weak. Hyperopia can be corrected by wearing glasses/contacts that contain convex lenses.


hope this helps you

Answer 2

myopia is when the eyeball is too lengthened from front to back or too curved the light rays donot reach the retina to be interpreted
fixed with a concave lens

hyperopia is opp