Assertion: glaucoma | /r/HasSubevent | loss of vision
Facets:
Source sentences:
text: Glaucoma can lead to loss of vision if it's not diagnosed and treated early.
text: If left undiagnosed, it can lead to loss of vision.
text: Glaucoma is an intricate eye condition in which the optic nerve damage may occur and it will lead to loss of vision if untreated.