PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ASTIGMATISM - Astigmatism is a refractive error caused by irregular curvature of the cornea or (less frequently) of the lens.
http://www.w3.org/ns/prov#wasQuotedFrom
  • refrakcnicentrum.cz