About: http://webisa.webdatacommons.org/63007296

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Macular degeneration is a major cause of gradual central-vision loss in the elderly.
http://www.w3.org/ns/prov#wasQuotedFrom	invitehealth.com