title: Early use of corrective lenses in Spanish colonies of the Americas including parts of the future United States: reference to Viceroy Luis de Velasco (the son).
authors.forename: Jay M
authors.initials: JM
authors.lastname: Enoch
mesh_terms: D005139:Eyeglasses / Q000266:history*; D049669:History, 16th Century; D049670:History, 17th Century; D006801:Humans; D009907:Optometry / Q000266:history*; D013030:Spain; D014481:United States