About: http://webisa.webdatacommons.org/37500579

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	An intraocular lens as defined in claim 21 wherein the inner surface of the optic is a roughened surface and receives the roughened outer surface of the fixation member, said roughened surfaces being essentially complementary.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com