Archived from the original PDF on 23 August The ophthalmic frame is the part of a pair of glasses that is designed to hold the lenses in the proper position. Newer designs use smaller lightweight telescopes, which can be embedded into the corrective glass and improve aesthetic appearance mini telescopic spectacles. The 17th century claim, by Francesco Redi , that Salvino degli Armati of Florence invented eyeglasses, in the 13th century, has been exposed as erroneous. A lensmeter can be used to verify the specifications of an existing pair of glasses. Glasses are typically used for vision correction , such as with reading glasses and glasses used for nearsightedness.
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