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 (iou)



astigmatism noun. M19.
[from A-10 + Greek stigmat-, -ma point + -ISM.]
A defect of the cornea or lens of the eye, or of any lens, mirror, etc., which prevents rays of light from coming to a single focus.