Question

A student has difficulty in reading the blackboard while sitting in the last row what could be the defect of vision of the student is suffering from what are the causes for this disorder

Answer 1

myopia is the defect.

it's causes are;

excessive curvature of eye lens.

elongation of eye ball.

Answer 2

Myopia (shortsightedness). Increase in the size of eye ball and decrease in focal length..of the eye lens..