Question

plz answer this.......​

Answer 1

Answer:

This disease is myopia...or shortsightedness

He should be wearing refractive glasses curved inwards

Hope it helps you mate♡

Answer 2

Answer:

a.The eye defect with which the grandfather was suffering from is myopia.

b.he should wear glasses made from concave lens.

c.myopia is caused by the following reasons

◆decrease of the focal length of the eye lens.

◆increase in the length of eye ball.

hope it helps...sorry I don't know d.