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Human Diseases (thesaurus)

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Preferred term

astigmatism  

Definition

  • Astigmatism is a type of refractive error in which the eye does not focus light evenly on the retina. This results in distorted or blurred vision at all distances. (Wikipedia)

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http://data.loterre.fr/ark:/67375/VH8-KRKBTLZ2-6

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