Q
A visual defect know as astigmatism is the result of: ___________?
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A
A. An eyeball that is too short.
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B
B. An eyeball that is too long
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C
C. An abnormal distribution of visual receptors in the retina.
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D
D. A misshapen cornea or lens
Correct Answer:
D. D. A misshapen cornea or lens