About: http://webisa.webdatacommons.org/406625197

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	The eye pressure rises very slowly and there is no pain to show there is a problem, but the field of vision gradually becomes impaired.
http://www.w3.org/ns/prov#wasQuotedFrom	cameronoptom.com