Question

explain correction of hypermetropia and myopia

Answer 1

hypermetropia is a defect of eye in which near objects cannot be seen by the peoples it is because of low converging power of lens -


myopia is an defect of eye in which foreign objects cannot be seen by the peoples this is caused because of high converging power lens -in this defect of eye A person should use concave lens and this defect of a convex lens is used