About: http://webisa.webdatacommons.org/445999475

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	If poor distance vision is a problem (it is the most frequent complaint I encounter), reduce the amount of add by 0.50D in both eyes.
http://www.w3.org/ns/prov#wasQuotedFrom	clspectrum.com