See Also: Astigmatism(medicine)
astigmatism(encyclopedia)
astigmatism(dictionary)
Astigmatism(health)
astigmatism(dictionary)
lenticular astigmatism(medicine)
astigmatism against the rule(medicine)
astigmatism with the rule(medicine)
regular astigmatism(medicine)
myopic astigmatism(medicine)

astigmatism (oh)



[Date: 1800-1900; Origin: A-2 + Greek stigma 'mark, point'; because there is no point at which light focuses]
difficulty in seeing clearly that is caused by a change in the inner shape of the eye