About: http://webisa.webdatacommons.org/47364029

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	We have established that astigmatism is a distortion created by the shape of the cornea or lens.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com