A visual defect know as astigmatism is the result of: ___________?
Correct answer: D. a misshapen cornea or lens
- A. an eyeball that is too short.
- B. an eyeball that is too long
- C. an abnormal distribution of visual receptors in the retina.
- D. a misshapen cornea or lens
Explanation
Astigmatism results from an irregularly curved cornea or lens, causing light to focus unevenly and produce blurred vision. An eyeball that is too long or short is associated with common refractive errors such as myopia or hyperopia.
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