About: http://webisa.webdatacommons.org/85509930

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	This could, however, be an underestimate, being derived directly from the prevalence in the age group 5??15 years, although the prevalence of refractive errors, especially myopia, is higher between the ages of 13 and 18 years.
http://www.w3.org/ns/prov#wasQuotedFrom	scielosp.org