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ShareIn ophthalmology, astigmatism is a refraction error of the eye in which there is a difference in degree of refraction in different meridians..
For more information about the topic Astigmatism (eye), read the full article at Wikipedia.org, or see the following related articles:
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Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Astigmatism (eye) at Wikipedia.org. See the Wikipedia copyright page for more details.
Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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