Intro to opticianry Questions and Answers
glasses
knwn as spectacles, specs, and eyeglasses
Shades
dark color to protect eyes from bright light
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modern glas...
Intro to opticianry Questions and
Answers
glasses - answer knwn as spectacles, specs, and eyeglasses
Shades - answer dark color to protect eyes from bright light
modern glasses - answer made up of two parts: frame(metal or plastic) and lenses
two other ways to correct vision - answer contact lenses and refractive surgery
refraction - answer doctor/technician determines what the correct prescription for
your glasses should be
Leonardo da Vinci - answer published Codex of the eye: submerging his eye in a
bowl of water to change the way the eye could see
frames we are most familiar with - answer temples to the back over the ears- 1727
pince-nez (pinch nose) - answer two lenses joined by a weak spring that held the
lenses in front of the eyes with pressure
monocle - answer single lens that was designed to fit over one eye
lorgnette - answer type of frame that has two lenses with a handle on one side for
holding the glasses
who invented the bifocals - answer Ben Franklin in 1784
in 1825 - answer the first lenses to correct astigmatism were invented
optos - answer greek word for "eye"
optikas - answer Greek word for "vision"
Ocul- - answer Latin prefix for "eye"
opthalmologist - answer a surgeon who specializes in the eye
cataracts - answer clouding of the lens inside the ey
retina - answer light-sensitive layer of cells at the back of the eye
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