Assertion: astigmatism | /r/HasProperty | a condition of the eye
Facets:
Source sentences:
text: Astigmatism is a condition of the eye characterized by an abnormal curve of the cornea of the eye.
text: Astigmatism is a condition of the eye which causes either blurred vision or a sense that each eye is seeing objects slightly differently.
text: Astigmatism is a condition of the eye in which the cornea has an irregular or odd shape.