title: [Improvement of spectacles and the history of contact lenses].
mesh_terms: D003261:Contact Lenses / Q000266:history*; D005139:Eyeglasses / Q000266:history* / Q000592:standards; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049691:History, Medieval
vernacular_title: Doskonalenie okularów i historia soczewek nagałkowych.