astigmia

1. (noun) (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
Synonyms: astigmatism
Related Words: condition, status

2. (noun) (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea
Synonyms: astigmatism
Related Words: ametropia



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