ANSWERS: 2
  • I dont know the exact dates but the story goes like this- In germany, there was a glass manufacturing factory, where one of the workers happened to see through two differently polished glassed. They actually formed a lens that magnified objects beneath it. Then gradually lenses of different magnification were identified and which were later came to be used in spectacles to enhance vision.
  • The Italian Salvino D'Armate in 1284 is the official inventor of wearable spectacles. See website below: http://en.wikipedia.org/wiki/Spectacles#Invention_of_eyeglasses

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