ALL meanings of astigmia
a·stig·ma·tism
A a - noun astigmia Also called astigmia [uh-stig-mee-uh] /əˈstɪg mi ə/ (Show IPA). Ophthalmology. a refractive error of the eye in which parallel rays of light from an external source do not converge on a single focal point on the retina. 1
- noun astigmia Optics. an aberration of a lens or other optical system in which the image of a point is spread out along the axis of the system. 1
- abbreviation ASTIGMIA Astigmatism. 1