1300 was earliest use of eyeglasses known | News, Sports, Jobs
Syndicated columnists The earliest use of eyeglasses was recorded about 1300. Rock crystal was shaped and set in round frames to wear and improve clarity. Glasses with temple arms that sit on the ears were not created until the 1700s. Glasses with dark lenses were worn for medical reasons by the late 19th century. Sunglasses that just cut glare were not used until 1929. President Theodore Roosevelt wore a monocle, probably the first president to admit he had trouble seeing. In 1784, Benjamin Franklin had special spectacles that had bifocal lenses. Benjamin Martin (1704-1782) invented Martin...
Source: weirtondailytimes.com