About: http://webisa.webdatacommons.org/244431394

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	Vision is a sophisticated combination of acuity, the use of illumination, contrast and perception to see clearly.
http://www.w3.org/ns/prov#wasQuotedFrom	2020mag.com