Question

a student is unable to see clearly the words written on the blackboard placed at a distance of approximately 3M from him name the defect of vision the boy is suffering from state the possible causes of defect and explain the method of correcting it

Answer 1

Hi dear here is your answer

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 ☺