Assertion: astigmatism's cornea | /r/CapableOf | change shape
Facets:
value: progressively
type: MANNER
value: over time
type: TEMPORAL
Source sentences:
text: In keratoconus, the clear front part of the eye (the cornea) is so thin that the cornea actually changes shape over time, which creates astigmatism.
text: A rare eye disease called keratoconus – which causes your cornea to progressively change its shape – can also result in severe astigmatism.