About: http://webisa.webdatacommons.org/170835182

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	The ocular implant element may be a blank, such as an element without a substantial optical power, or an element with an optical power of about 0 diopters.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com