About: http://webisa.webdatacommons.org/351258520

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	Second, while the procedure is generally safe and effective, in about 1-2% of cases, the procedure is a failure in that the patient ends up with less than perfect vision, and possibly seeing halos around objects (especially at night).
http://www.w3.org/ns/prov#wasQuotedFrom	aclens.com