About: http://webisa.webdatacommons.org/76858897

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	your vision, such as loss of vision or double vision.Call your doctor to discuss your symptoms if you:Need frequent changes in your eyeglasses
http://www.w3.org/ns/prov#wasQuotedFrom	cardiosmart.org