Assertion: glaucoma | /r/CapableOf | produce symptom
Facets:
value: rarely
type: DEGREE
value: usually
type: TEMPORAL
Source sentences:
text: Glaucoma usually produces no symptoms until the disease has progressed to the point of damaging a person's sight.
text: Because glaucoma rarely produces symptoms until it has progressed, regular eye examinations are the key to early detection and treatment.
text: Because glaucoma rarely produces symptoms until it has progressed, regular eye examinations are the key to early detection and treatment.