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Contact lenses were also used to better emphasize the sinister gaze of the demonic characters in 1968's Rosemary's Baby and 1973's The Exorcist. Colored custom-made contact lenses are now standard makeup for a number of special effects-based movies. [126]
In 1981, Johnson & Johnson acquired Frontier Contact Lenses and renamed the company Vistakon. [2] The production process at the time of sale was very manual—every employee on the production line handled the lenses, whether they were lathing, polishing, or inspecting. Vistakon decided to invest in a new production process in order to scale.
The end product was lenses that were smaller, thinner and longer-wearing, said Alfred Rosenbloom, a former dean and president of the Illinois College of Optometry. In 1946, Dr. Wesley and Jessen formed the Plastic Contact Lens Co., which later became Wesley-Jessen Inc. It was acquired by 2001 by Ciba Vision. Dr.
In contrast to the contact lenses previously available, made of glass and Lucite (acrylic glass), [19] the new lenses were softer. They were marketed under the brand name "Soflens". In the 1970s, the company was a major producer of spectrophotometers for the dye and chemical business, such as the Spectronic 20.
Eyewear frames around this time were mainly made of animal bones, horns and fabric; the implementation of wire frames in the 16th century further allowed glasses to be mass-produced. The 16th century also saw the earliest ancestors of pince-nez eyewear, which secured itself to the wearer through "pinching" the nose and later would become ...
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AN6531 sunglasses with Type 1 AN6531 lenses made by American Optical. In the second half of the 1930s and early 1940s, a group of American firms kept developing sunglasses. The military "flying sun glasses (comfort cable)" were standardized in November 1941. They were produced in large quantities (several million pieces) for pilots and sailors.
Between the 11th and 13th centuries, so-called "reading stones" were invented. Often used by monks to assist in illuminating manuscripts, these were primitive plano-convex lenses, initially made by cutting a glass sphere in half. As the stones were experimented with, it was slowly understood that shallower lenses magnified more effectively ...