title: [The XIII hispanic american ophthalmology society meeting (1923) and "the use of eyeglasses" (1623)].
authors.affiliation: IOBA, Valladolid, Spain. berta@ioba.med.uva.es
authors.forename: C
authors.initials: C
authors.lastname: López de Letona
mesh_terms: D005139:Eyeglasses; D006630:Hispanic or Latino / Q000266:history*; D049670:History, 17th Century; D049673:History, 20th Century; D006801:Humans; D009885:Ophthalmology / Q000266:history*; D012955:Societies, Medical / Q000266:history; D013030:Spain