Assertion: cataract | /r/CreatedBy | a build-up of protein
Facets:
value: in the eye
type: LOCATION
Source sentences:
text: Cataracts are caused by a build-up of protein in the eye, and usually develop because of old age.
text: Cataracts are caused by a build-up of protein on the lens of one’s eye.
text: Cataracts are caused by a build-up of protein that clouds the eye’s lens, which can lead to blurred vision and eventual blindness.