About: http://webisa.webdatacommons.org/231330409

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	Lenses may be colored or clear, and may be of any cross-sectional shape, such as rectangular, triangular or circular.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com