Assertion: macular degeneration | /r/HasProperty | main cause of blindness
Facets:
value: for older
type: TRANSITIVE-OBJECT
Source sentences:
text: This disease directly affects vision and it is the main cause of blindness.
text: Few people are aware that macular degeneration, which leads to central vision loss, is the main cause of blindness for those 55 and older in the United States.