Assertion: astigmatism's cornea | /r/HasProperty | football-shaped
Facets:
value: football
type: DEGREE
Source sentences:
text: This is due to the fact that your cornea (the transparent surface of the eye) is football-shaped instead of the more normally-spherical structure of an emmetropic eye (when light rays that enter the eye come to perfect focus on the retina; this is ideal vision).
text: Regular astigmatism is more common and causes the football-shaped cornea.