Question

Relationship between power of the lens and type of eye defect!!

Answer 1

myopia:
           it is also known as near sightedness .a person with myopia can see nearby objects clearly but cannot see the distant objects distinctly.
           it can be corrected by using cancave lens
hypermetropia:
                     it can be corrected by convex lens.
presbyopia:
                 it can be corrected by bifocal lens