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Historians believe that monks in Italy made the first form of glasses as early as in the 1200's. Lenses were set into bone, metal or leather like two small magnifying glasses with inverted V shaped handles that could be balanced on the bridge of the nose.
Google chiama la moda italiana per i Google Glass: patto con Luxottica
circa 1403 by Conrad von Soest Wildunger Altar DETAIL showing eyeglasses.