astigmatic

astigmatismtop: normal eye with light focusing on the retinabottom: astigmatic eye with light focusing in different places on or in front of the retina

a·stig·ma·tism

A0482400 (ə-stĭg′mə-tĭz′əm)n. A visual defect in which the unequal curvature of one or more refractive surfaces of the eye, usually the cornea, prevents light rays from focusing clearly at one point on the retina, resulting in blurred vision.

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[a- + Greek stigma, stigmat-, point (from stizein, stig-, to tattoo; see steig- in Indo-European roots).]

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as′tig·mat′ic (ăs′tĭg-măt′ĭk) adj. & n.as′tig·mat′i·cal·ly adv.

astigmatic

(ˌæstɪɡˈmætɪk) adj (Pathology) relating to or affected with astigmatismn (Pathology) a person who has astigmatism[C19: from a-¹ + Greek stigmat-, stigma spot, focus; see stigma] ˌastigˈmatically adv

as•tig•mat•ic

(ˌæs tɪgˈmæt ɪk)

adj. 1. pertaining to, exhibiting, or correcting astigmatism. 2. marked by rigidity or distortion, as in judgment. [1840–50; a-⁶ + stigmatic] as`tig•mat′i•cal•ly, adv.

Thesaurus

Adj.

1.

astigmatic - of 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 imagesanastigmatic, stigmatic - not astigmatic

Translations

αστιγματικόςastigmaticoастигматический