Optician more important and dignified. Far-sighted or aging colonial Americans imported spectacles from Europe. Spectacles were primarily for the affluent and literate colonists, who required a valuable and precious appliance. Benjamin Franklin in the 1780s developed the bifocal. Bifocal lenses advanced little in the first half of the 19th century. The terms bifocal and trifocal were introduced in London by John Isaac Hawkins, whose trifocals were patented in 1827. In 1884 B. M. Hanna was granted patents on two forms of bifocals which become commercially standardized as the "cemented" and "perfection" bifocals. Both had the serious faults of ugly appearance, fragility,
The Red Spectacles be followed by two prequels: "" (1991) and "" (1999). The Red Spectacles This is the first film of the "Kerberos saga". It is the end of the 20th century. The Metropolitan Police have begun to lose control of the city; crime runs rampant and people are no longer safe. The solution: the establishment of the Anti Vicious Crime Heavily Armored Mobile Special Investigations Unit. Created by men and women of high intellect and physical strength who had a particularly strong, even fanatical sense of justice, they were nicknamed "Kerberos", and armed with special "reinforcement gear" body armor and heavy