Noun: astigmia u'stig-mee-u
- (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
"Her astigmia caused blurred vision at all distances";
- astigmatism
- (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
"The camera lens's astigmia resulted in distorted photographs";
- astigmatism
Derived forms: astigmias
Type of: ametropia, condition, status
Encyclopedia: Astigmia