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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