astigmatism
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stigmatism

Definitie en betekenis van "astigmatism"in het Engels

01

(optics) an aberration in which rays from a single point do not converge at one focal point 

gespecialiseerd
grammaticale informatie
Voorbeelden
The lens produced astigmatism near the edge of the image. 
02

(ophthalmology) a refractive error caused by an irregularly shaped cornea or lens, resulting in blurred or distorted vision 

gespecialiseerd
Voorbeelden
The optometrist detected mild astigmatism in both eyes. 
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