ISLE 3.14 AstigmatismClick on the above link to work though the ISLE activity. Once you've completed the activity, navigate back and answer the following question.Which of the following is TRUE regarding astigmatism?
A. It is primarily a disease of the retina
B. There is no surgical treatment available
C. It can be caused by an irregular shape of the cornea or lens
D. Corrective eyeglass lenses are often successful to reduce the symptoms
Answer: C
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