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WAEC Biology 2023 Question 18

Question 18

Sense Organs

The eye defect caused by an uneven curvature of the cornea or lens or both is

  1. A.myopia
  2. B.astigmatism.
  3. C.presbyopia.
  4. D.hypermetropia.
Show the answer and explanation

Answer: B (astigmatism.)

Explanation

Astigmatism is caused by uneven curvature of the cornea or lens, so light is not focused to one point and the image is blurred.