About: http://webisa.webdatacommons.org/2231244

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	Contact lenses correct several types of vision problems, including nearsightedness, farsightedness, and astigmatism.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.com