Assertion: astigmatism's eye | /r/HasAspect | cornea
Facets:
value: for those with normal vision
type: OTHER
Source sentences:
text: The eye has a cornea — a clear, curved layer that protects it.
text: An eye with astigmatism has a cornea that is curved more like a football, with some areas that are steeper or more rounded than others.
text: For those with normal vision, the eye has a lens and cornea that is round in nature, whereas in those with astigmatism, the cornea and lens are egg-shaped.