Draw ray diagrams each showing (i) myopic eye and (ii) hypermetropic eye.

The focal length of the eye lens increases when eye muscles

Which of the following statement is correct?

A student sitting at the back of the classroom cannot read clearly the letters written on the blackboard. What advice will a doctor give to her? Draw ray diagram for the correction of this defect.

How are we able to see nearby and also the distant objects clearly?