About: http://webisa.webdatacommons.org/67083620

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	With a rapidly aging population in the West, presbyopia is a problem for more and more people.
http://www.w3.org/ns/prov#wasQuotedFrom	imagine-eyes.com