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In the US market, soft contact lenses are approved by the US Food and Drug Administration. [2] The American Optometric Association published a contact lens comparison chart called Advantages and Disadvantages of Various Types of Contact Lenses on the differences between them. [3] These include: soft contact lenses; rigid gas-permeable (RGP ...
A rigid gas-permeable lens, also known as an RGP lens, GP lens, or colloquially, a hard contact lens, is a rigid contact lens made of oxygen-permeable polymers. Initially developed in the late 1970s, and through the 1980s and 1990s, they were an improvement over prior 'hard' lenses that restricted oxygen transmission to the eye.
Starting in the late 1970s, improved rigid materials which were oxygen-permeable were developed. Contact lenses made from these materials are called rigid gas permeable lenses (RGPs). A rigid lens is able to cover the natural shape of the cornea with a new refracting surface. This means that a spherical rigid contact lens can correct corneal ...
L3Harris Commercial Aviation Solutions (L3 CTS) is a flight training provider and manufacturer of civil flight simulators based in Crawley, England. It is part of L3Harris, and was formed as L-3 Link Simulation & Training UK in 2012, when L3 acquired the civil fixed-wing simulation division of Thales Training & Simulation (TTS). [1] [2]
CAE Inc. (formerly Canadian Aviation Electronics) is a Canadian manufacturer of simulation technologies, modelling technologies and training services to airlines, aircraft manufacturers,and defence customers. CAE was founded in 1947, and has manufacturing operations and training facilities in 35 countries.
Frasca International, Inc., is an American manufacturer of flight simulation training devices, with over 3000 training devices delivered in approximately 70 countries throughout the world. [3] Based in Urbana, Illinois , Frasca International was founded in Champaign, Illinois in 1958 by Rudy Frasca.
Mechtronix Inc. [1] was a Canadian company specializing in the manufacture of flight simulation training devices (FSTD) for commercial, general, and business aviation. The company was founded in 1987 and was based in Montreal, Canada. The company was acquired by Textron in 2013 [2] and was merged into TRU Simulation + Training.
Their first design was a level D full flight simulator. In 2005 they produced a level D full flight simulator with an Equipe collimated visual system [ 2 ] and a Rexroth hydraulic motion base. They currently manufacture full flight simulators and flight training devices for all types and configurations of aircraft, including business jets ...
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