A man can read the number of a distant bus clearly but he finds difficulty in reading a book.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?
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  1. Hypermetropia (Long Sightedness).
  2. Convex lens.
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