HyperDic: astigmatic

English > 1 sense of the word astigmatic:
ADJECTIVEallastigmaticof or relating to a defect in the eye or in a lens caused by a deviation from spherical curvature which prevents light rays from meeting at a common focus and so results in distorted images
English > astigmatic: 1 sense > adjective 1
MeaningOf or relating to a defect in the eye or in a lens caused by a deviation from spherical curvature which prevents light rays from meeting at a common focus and so results in distorted images.
Oppositeanastigmatic, stigmaticnot astigmatic
Spanishastigmático
Nounsastigmatism, astigmia(optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
astigmatism, astigmia(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea

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