About: http://webisa.webdatacommons.org/7759624

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 lenses are composed entirely of a polymer material called wilofocon A. Unlike soft lens materials, this composition is exceptionally durable and resistant to rips, tears and other damages caused by regular handling.
http://www.w3.org/ns/prov#wasQuotedFrom	lens.com