The proper role of government in a capitalist economic system has been hotly debated for centuries. Unlike socialism, communism or fascism, capitalism does not assume a role for a coercive, centralized public authority.
Reading glasses come in two main styles: full frames, in which the entire lens is made in the reading prescription, and half-eyes, the smaller Ben Franklin style glasses that sit lower down on the nose. Full reading glasses are suitable for people who spend a great deal of time concentrating on material close-up. If you try to look up and across the room through the reading lenses, everything appears blurry.
Did you know that reading glasses first appeared in Italy in the 1260's? Designed to help the elderly to read, these were a godsend to those whose vision had become blurred due to age. Their popularity was instantaneous, and paintings from the time began to depict wearers in both religious and scholarly settings.