title: [Street vendor glasses].
authors.affiliation: Servicio de Oftalmología, Hospital San Agustín, Avilés, Asturias, España. Electronic address: jjbarbong@hotmail.com.
authors.forename: J J
authors.initials: JJ
authors.lastname: Barbón
authors.forename: A
authors.initials: A
authors.lastname: Sampedro
mesh_terms: D003132:Commerce / Q000266:history*; D005139:Eyeglasses / Q000266:history*; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049691:History, Medieval; D010151:Paintings / Q000266:history*