Assertion: astigmatism's cornea | /r/HasProperty | irregular
Facets:
value: in shape
type: OTHER
value: in the astigmatic eye
type: LOCATION
Source sentences:
text: In the astigmatic eye, the cornea is irregular, so its curvature is not spherical but toric (like the side of a ring doughnut).
text: However, light that comes through a cornea that is irregular in shape isn’t refracted or bent properly.