About: http://webisa.webdatacommons.org/335685133

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	Custom-made from a rigid oxygen-permeable material, gas permeable contact lenses (also called GP, RGP or oxygen-permeable contacts) are more resistant to proteins and other deposits, making them easy to keep clean.
http://www.w3.org/ns/prov#wasQuotedFrom	allaboutvision.com