History of Spectacles

Description

ABOC Study: History
Terry Mumma
Flashcards by Terry Mumma, updated more than 1 year ago
Terry Mumma
Created by Terry Mumma over 5 years ago
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Resource summary

Question Answer
Though there is earlier evidence of spectacles, the invention is credited to this inventor in 13th century Florence Salvino d'Armati
It was not until the 16th century that lenses of this type were developed minus (or concave) lenses for treating Myopia (nearsightedness)
this type of spectacle lenses were not developed until the 19th century toric lenses for treating astigmatism
bifocals were invented in the 18th century by this famous American polymath Benjamin Franklin
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