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A member asked:
Cyl eye test -2.5 means what?
A doctor has provided 1 answer
Astigmatism: The 'cyl' column in your eye prescription refers to astigmatism. You can think of astigmatism like warping on the surface of your eye -- like a football shape compared to a basketball shape. You have 2.5 diopters of astigmatism.
Answered 7/10/2016
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