About: http://webisa.webdatacommons.org/377863348

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	problems in one or both eyes, such as dimness, blurring, double vision, loss of
http://www.w3.org/ns/prov#wasQuotedFrom	cardiosmart.org