Question

How can we treat myopia and hypermetropia?

Answer 1

The eye defects myopia and hypermetropia can be permanently treated by surgical method. But people often don't want to take such risk as it can cause permanent damage to eye also and moreover it it more costly also. So the eye defect myopia and hypermetropia can be temporary treated by using spectacles of suitable focal length.

Answer 2

We can treat myopia by using concave lens
And treat hypermetropia by using convex lens.