astigmatic(redirected from astigmaticly)
Also found in: Thesaurus, Medical.
top: normal eye with light focusing on the retina
bottom: astigmatic eye with light focusing in different places on or in front of the retina
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.
[a- + Greek stigma, stigmat-, point (from stizein, stig-, to tattoo; see steig- in Indo-European roots).]
as′tig·mat′ic (ăs′tĭg-măt′ĭk) adj. & n.
(Pathology) relating to or affected with astigmatism
(Pathology) a person who has astigmatism
[C19: from a-1 + Greek stigmat-, stigma spot, focus; see stigma]
as•tig•mat•ic(ˌæs tɪgˈmæt ɪk)
1. pertaining to, exhibiting, or correcting astigmatism.
2. marked by rigidity or distortion, as in judgment.