PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The invention relates to a multifocal, especially bifocal, intraocular, artificial opthalmic lens having an optical lens portion of transparent material which covers the pupil of the iris.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com