About: http://webisa.webdatacommons.org/157764981

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	Patients can have preceding symptoms such as seeing flashes of light or heat waves" or lines in their vision.
http://www.w3.org/ns/prov#wasQuotedFrom	healthtap.com