Although some Ancient Roman
writers made reference
to eyeglasses of beryl gemstone
worn by the Emperor Nero
, the earliest framed lenses to correct defects in vision
were made in China
in the 10th century. They did not appear in Europe
until the later 13th century and are first recorded in Britain
These early spectacles were held in the hand
or perched on the bridge
of the nose
. Rigid arms to connect with the ears
and fasten the lenses were invented by Edward Scarlett, a British optician
, in 1724.
of spectacles then increased greatly and the quality
of the lenses used also improved.