About: http://webisa.webdatacommons.org/353898561

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	For these individuals, everyday tasks such as reading, shopping and recognizing faces are difficult because their vision impairment leaves them in a ???gray zone??? between normal eyesight and blindness.
http://www.w3.org/ns/prov#wasQuotedFrom	cpmc.org