About: http://webisa.webdatacommons.org/453905396

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	One of the most common problems is when the lens of the eye cannot focus objects clearly on the retina.
http://www.w3.org/ns/prov#wasQuotedFrom	daviddarling.info