Question

A person can comfortably read a book but finds it difficult to read the number on a bus parked 5 m away from him. Name the type of defect of vision he is suffering from. Which type of lens should he use in his spectacles to correct his vision?Draw ray diagrams to illustrate the image formation before and after he uses the prescribed lens.

Answer 1

Miopia is the vision problem in which we can't see distance object

Answer 2

  Near sightedness or Myopia or also called as short sightedness is a defect of eye where a person can see nearby things very clearly or we can say they appear normal than the far away objects.

  A concave lens is used to correct this problem the concave lens corrects the direction of rays before it reaches the convex part of the eye.