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The double frame uplifting glasses have one moving frame ... of Florence invented eyeglasses in the ... invented bifocals, and perhaps 50 years ...
Edward Scarlett (1688 – 1743 in London) was an English optician and instrument maker, who first invented an eyeglass frame with earhooks in 1727. This frame is held by the nose and ears, at times the glasses were called in contrast to the nasal cannula and temples because they had short straps that pressed on the temple.
An early 18th-century goblet with coats of arms in the District Museum in Tarnów is one of the highest (54.3 cm, 21.4 in) preserved examples of artistry of less known Lubaczów glass manufacturing factory. [12] The goblet was almost entirely covered with a pattern of so-called carp scales and hand-engraved decoration. [12]
Salvino D'Armato degli Armati of Florence is sometimes credited with the invention of eyeglasses in the 13th century, however it has been shown that this claim was a hoax, and that there was no member of the Armati family with that name at the time. [1] [2] [3] The earliest mention of Salvino degli Armati as the inventor of eyeglasses occurred ...
Since many inventions are developed independently by more than one person, it is possible that the invention of bifocals may have been such a case. [ 3 ] John Isaac Hawkins , the inventor of trifocal lenses , coined the term bifocals in 1824 and credited Benjamin Franklin.
The early writers discussed here treated vision more as a geometrical than as a physical, physiological, or psychological problem. The first known author of a treatise on geometrical optics was the geometer Euclid (c. 325 BC–265 BC).
Sunglasses or sun glasses ... One of the earliest surviving ... China was the world's largest producer of sunglasses with its port exporting 120 million pairs each year.
The dandy's quizzing glass of the 1790s was an article of high fashion, [1] which differs from the monocle in being held to one's eye with a handle in a fashion similar to a lorgnette, rather than being held in place by the eye socket itself.