Question

Explain with the help of labelled ray diagram, the defect of vision called myopia and how it is corrected by a lens.

Answer 1

Myopia or short sightedness is that defect of vision due to which a person cannot see the distance objects clearly (though he can see the nearby objects clearly). This eye defect can be corrected by using a concave lens.
Myopic eye and its correction is given in the following diagrams