Assertion: open angle glaucoma | /r/HasAspect | slow disease progression
Facets:
value: relatively
type: DEGREE
Source sentences:
text: Primary open-angle glaucoma has a relatively slow disease progression and few symptoms in the early stages so that if ocular hypertension is identified by tonometry, stepped-up surveillance can begin that will allow for early treatment before peripheral visual changes develop or progress to a loss of central vision.