When were the first contact lenses invented?
by 
The Curious Bag
ANSWERS: 1
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Although Leonardo da Vinci first thought of the idea of corrective lenses worn directly on the eye in 1508, contact lenses were not actually produced then. Glassblower F.A. Muller produced the first set of glass contact lenses in 1887. Hard plastic lenses were first produced in 1936 by optometrist William Feinbloom, and soft lenses were created by chemist Otto Wichterle in 1961.
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