About: http://webisa.webdatacommons.org/128671761

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	Renowned speakers from around the world will cover topics such as basic optometry and refraction, clinical optometry, contact lenses and low vision. ??? TradeArabia News Service Tags:
http://www.w3.org/ns/prov#wasQuotedFrom	tradearabia.com