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History of bifocals and trifocals
Benjamin Franklin, the early American statesman and inventor, is credited with creating the first multifocal lens for eyeglasses. Prior to Franklin's invention, anyone with presbyopia had to carry two pairs of eyeglasses — one for seeing distant objects and one for seeing up close.
<span>They feared new immigrants would take away their jobs, or drive down the wages by accepting lower pay. They thought they were not assimilating or fitting in with American society. Blamed immigrants for increasing crime, unemployment, called for legal restrictions to stop people from coming to the US</span>