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Question: What is “with the rule” astigmatism?
Answer: This is when the axis of the positive cylinder in a pair of glasses is oriented at 90 degrees.
“With the rule” astigmatism is typically seen in children, while “against the rule astigmatism” is seen in older eyes.
Comments and Feedback
2 Comments
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Very short, concise n yet ridicolously simple !!!
I ilke this website
although i m a trainee in masters ophthalmology program..i found this website very helpful
Comment by hajar — April 28, 2009 @ 11:14 am
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Simplicity!
Brilliant work:)
Comment by rozana mahajuodeen — September 16, 2009 @ 3:35 am
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