Assertion: astigmatism's cornea | /r/HasProperty | shaped like american football
Facets:
Source sentences:
text: An analogy that's often used to describe this is to say the cornea is shaped like an American football rather than like a baseball.
text: If a cornea is oblong – shaped more like an American football, for example – then it distorts the light that is projected onto the retina, the light-sensitive tissue at the back of the eye, and the patient sees a blurred or distorted image.