Vol. 1 - Chapter 1 - History Flashcards
For what purpose was the Chinese Emperor believed to have worn spectacles in 2283BC?
Knowledge and authority
Since the first lenses were plus or convex, what were they used for?
Reading Glasses
“Here lies the inventor of spectacles.” The famous tombstone is an early record documenting the use of spectacles, and can be found on whose tombstone?
Salvino d’Armate
What were some of the materials that the earliest frames were made from?
Bone, leather, wood
When were the first minus lenses introduced?
16th century
Toric lenses were introduced when?
19th century
Early spectacles did not have sidepieces/temples. How were they secure to the head?
With a type of chain or cord with weights on the end draped over the tops of the ears.
Who was credited with the designing frames that include temples?
Edward Scarlett