About: http://webisa.webdatacommons.org/419645472

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	Lens materials such as polycarbonate, high-index plastics or Trivex allow for thinner lenses.
http://www.w3.org/ns/prov#wasQuotedFrom	2020mag.com