Question

what is the white part of the human eye called give any three examples of defects of vision and also their correction

Answer 1

the white part of eye is scelra .
three vision defects are _ 1 ) hypermetropia 2) myopia 3) presbyopia

Answer 2

The white part if human eye is known as "sclera" .

Three examples of defects in human eyes are :-

1 ) Myopia
2 ) Hypermeteropia
3) Presbiopia

Corrections :-

1) Myopia = Concave lens should be used .

2) Hypermeteropia :- Cinvex kens must be used .

3) Presbiopia :- Bifocii lens ( i.e having both concave & convex lens in single ) .

thanks :)