About: http://webisa.webdatacommons.org/110165006

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	This arrangement has the advantage that the patient need not shift vision from one optic zone to another, which is especially troublesome in the case of translating bifocal contact lenses.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com