About: http://webisa.webdatacommons.org/364258969

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	Many reasons have been put forward to explain this decline, including advances in low-vision technology, shortages of trained teachers, and an increase in the number of blind people with multiple disabilities.
http://www.w3.org/ns/prov#wasQuotedFrom	nfb.org