Assertion: astigmatism's cornea | /r/HasProperty | corneal astigmatism
Facets:
Source sentences:
text: This condition is defined by whether it is caused by deformity of the lens (lenticular astigmatism) or of the cornea (corneal astigmatism) and by its effect on vision:
text: A misshapen cornea is called a corneal astigmatism.
text: Astigmatism is usually caused by a misshapen cornea (corneal astigmatism).
text: An irregular-shaped cornea is called corneal astigmatism.