Question

A man can read the number of a distant bus clearly but he finds difficulty in reading a book.

1. From which defect of the eye is he suffering?
2. What type of spectacle lens should he use to correct the defect?

Answer 1

1. The man is suffering from hypermetropia (long-sightedness).
2. To correct his defect of vision, he should use convex lenses in his spectacles.