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On Display: Museum of London: Medieval London: Effect of the Black Death and Medicine: Death and Disease
These bone framed spectacles were originally fitted with convex lenses for reading. The English friar Roger Bacon made the earliest reference to using a lens to enhance the eyesight in 1268. The demand for reading glasses increased after the middle of the 15th century, when printed books began to appear.
H 65 mm; W 65 mm
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