Assertion: astigmatism's cornea | /r/CapableOf | focus image
Facets:
value: back of the eye
type: LOCATION
value: because of the lack of symmetry
type: CAUSE
value: properly
type: MANNER
value: by refracting incoming light
type: MANNER
Source sentences:
text: In the human eye, the cornea focuses images by refracting incoming light onto the retina (back of the eye).
text: Because of the lack of symmetry, the cornea doesn’t properly focus on the image it sends to the retina.