About: http://webisa.webdatacommons.org/183761147

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	Visual symptoms including blurry vision, partial loss of sight, seeing flashing lights, and more.
http://www.w3.org/ns/prov#wasQuotedFrom	migraine.com