About: http://webisa.webdatacommons.org/203360963

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	As mentioned above, however, there is a limit to the extent upon which the eye may be moved before a given lens begins to focus on the image strip of an adjacent lens thus producing the viewing of double images or inverse images.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es