Question

A student is unable to see clearly the words written on the blackboard placed at a distance of approximately 3 free from him

Answer 1

$\huge\red{Answer }$

The boy who can't see written on the board is suffering from Myopia.

The causes which cause Myopia are

• Due to the high converging power of the eye lens.

• Due to Being Eye ball to long .

It can be corrected by using a concave lens .

Because concave lens reduces the high converfing power of lens because it is a diverging lens .

By using yhe concave lens the image is form on the Retina .

HOPE IT HELPS YOU !!

Answer 2

he is suffered from hypermetropia