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WAEC Biology 1999 Question 22

Question 22

Sense Organs

Hypermetropia is corrected by the use of

  1. A.concave lenses
  2. B.convex lenses
  3. C.cylindrical lenses
  4. D.contact lenses
Show the answer and explanation

Answer: B (convex lenses)

Explanation

In long sight (hypermetropia) images form behind the retina; a converging (convex) lens brings them forward onto it.