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WAEC Biology 2023 Objective — Question 18

Question 18 of 50 from the West African Examinations Council (WAEC) Biology 2023 Objective paper, with the correct answer and a full explanation.

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

  • A. myopia
  • B. astigmatismCorrect
  • C. presbyopia
  • D. hypermetropia

Explanation

The eye defect caused by an uneven curvature of the cornea or lens (or both) is astigmatism. It is corrected by wearing cylindrical lenses.

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