About: http://webisa.webdatacommons.org/90049014

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	In one specific embodiment of the invention, the central zone is an aspheric zone with a standard eccentricity between approximately -0.6 and approximately -1.0, preferably approximately -0.8.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com