About: http://webisa.webdatacommons.org/406136234

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	The need for and frequency of optometric examinations vary with age, medical history, family history, occupation and other factors.
http://www.w3.org/ns/prov#wasQuotedFrom	overlakeeyedesigns.com