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Dissociated vertical deviation. Dissociated vertical deviation ( DVD) is an eye condition which occurs in association with a squint, typically infantile esotropia. The exact cause is unknown, although it is logical to assume it is from faulty innervation of eye muscles.
Prism (optics) An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides.
Home to the 1st Fighter Wing and the Virginia Air National Guard's 192d Fighter Wing, both flying the F-22A Raptor. The base also hosts the headquarters of Air Combat Command, the 363rd Intelligence, Surveillance, and Reconnaissance (ISR) Wing and the 480th ISR Wing. [33] Laughlin Air Force Base. Del Rio.
The Navy operates the following naval bases: A view of Simon's Town and the naval base. Naval Base Simon's Town – The base houses the frigate and submarine flotillas as well as support vessels. A naval dockyard is also situated here. Naval Base Durban – This base was scaled down to a naval station in 2002 with the rationalisation of the ...
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Length and surface. 01/19. 3,779.5 metres (12,400 ft) Concrete. Source: Federal Aviation Administration [2] Whiteman Air Force Base is a United States Air Force base located just south of Knob Noster, Missouri, United States. The base is the current home of the B-2 Spirit bomber. It is named for 2nd Lt George Whiteman, who was killed during the ...
Perger prism. A Perger prism or Perger–Porro prism system is a prism, that is used to invert (rotate by 180°) an image. The special feature of this prism is that, like a traditional double Porro prism system, it manages this with only four beam deflections and has neither a roof edge with the accompanying phase correction problems, a ...
Armageddon is the third studio album by Canadian rock band Prism, released in June 1979 by Capitol Records. It achieved double platinum status in Canada (in excess of 200,000 units sold). [2] Armageddon is notable for several reasons. Bruce Fairbairn received the Canadian music industry 1980 Juno Award for Producer of the Year for the album.