Assertion: astigmatism | /r/HasProperty | irregularity
Facets:
value: in the shape of the cornea
type: OTHER
Source sentences:
text: An astigmatism is an irregularity in the shape of the cornea that, in years past, often meant patients were unable to receive LASIK or other corrective eye surgery procedures.
text: An astigmatism is an irregularity in the curvature of the cornea (somewhat like a wobble in a bowling ball) and this wobble causes images to be distorted when they reach the retina and thus makes a blur.