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Medical Subject Headings (thesaurus)

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Concept information

Terme préférentiel

Astigmatism  

Type

  • mesh:Descriptor

Définition

  • Unequal curvature of the refractive surfaces of the eye. Thus a point source of light cannot be brought to a point focus on the retina but is spread over a more or less diffuse area. This results from the radius of curvature in one plane being longer or shorter than the radius at right angles to it. (Dorland, 27th ed)

Concept générique

Traductions

URI

http://data.loterre.fr/ark:/67375/JVR-THZPDPPW-T

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RDF/XML TURTLE JSON-LD Date de création 01/01/1999, dernière modification le 03/07/2012