About: http://webisa.webdatacommons.org/285044304

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	Hydrogels typically are oxygen permeable and biocompatible, making them preferred materials for producing ophthalmic devices and in particular contact and intraocular lenses.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com