When do we say that a particular person is suffering from hypermetropia ? List two causes of this defect.…
When do we say that a particular person is suffering from hypermetropia ? List two causes of this defect. Name the type of lens used to correct this defect.
Solution
When he cannot see nearby objects distinctly but can see far object clearly.
2 causes:
Focal length of the eye lens is too long.
Eyeball becomes too small.
Convex or Converging lens