About: http://webisa.webdatacommons.org/166076128

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	When treatments such as eyeglasses, medications, or surgery are no longer effective, ophthalmologists eye medical doctors and surgeons help patients maximize their remaining sight by using low-vision aids.
http://www.w3.org/ns/prov#wasQuotedFrom	bio-medicine.org