About: http://webisa.webdatacommons.org/192687769

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	?? Changes in visual acuity requiring changes in eyeglass prescriptions or other vision problems.
http://www.w3.org/ns/prov#wasQuotedFrom	dvmen.org