About: http://webisa.webdatacommons.org/314593415

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	In time as the cataract increases, blurred vision and other symptoms will not be relieved by glasses; therefore, surgery will become necessary to restore useful vision.
http://www.w3.org/ns/prov#wasQuotedFrom	clevelandclinic.org