About: http://webisa.webdatacommons.org/38130136

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	These vision disorders ??? called refractive errors ??? affect the cornea and are the most common of all vision problems in this country.
http://www.w3.org/ns/prov#wasQuotedFrom	downstate.edu