<http://webisa.webdatacommons.org/prov/57766976>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/164544016> .
<http://webisa.webdatacommons.org/164544016>	<http://www.w3.org/ns/prov#value>	"Recently, workers in the art have utilized lenses comprising a soft, biocompatible material, such as silicone." .
<http://webisa.webdatacommons.org/164544016>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/379164074>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/164544016> .
<http://webisa.webdatacommons.org/164544016>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .