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Ontology Browser

Term:
Parent Terms Term With Siblings Child Terms
refractive error +     
aniseikonia 
anisometropia  
astigmatism +   
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)
Corneal Wavefront Aberration 
hyperopia +   
myopia +   
presbyopia 
transient refractive change 

Synonyms
Primary IDs: MESH:D001251
Alternate IDs: OMIM:603047 ;   RDO:0004936
Xrefs: ICD10CM:H52.2 ;   ICD9CM:367.2
Definition Sources: http://en.wikipedia.org/wiki/Astigmatism_%28eye%29 "DO", MESH:D001251

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