astigmia
as·tig·mia
noun
1.
(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea
Origin
From a- (negative prefix) + Ancient Greek στίγμα (stígma, “mark, point”) + -ia.
Related words
Narrower terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.