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A cover test or cover-uncover test is an objective determination of the presence and amount of ocular deviation.It is typically performed by orthoptists, ophthalmologists and optometrists during eye examinations.
In 1976, the area was chosen by the Royal Jordanian Air Force for a major new air base. Construction started that same year and in November, 1980, No 1 (Northrop F-5A/B Freedom Fighter) and No 11 Squadrons (F-5E/F Tiger II) were deployed there. The air base was officially opened on May 24, 1981.
Porro prisms are most often used in pairs, forming a double Porro prism. A second prism rotated 90° with respect to the first, is placed such that light will traverse both prisms. The net effect of the prism system is a beam parallel to but displaced from its original direction, with the image rotated 180°.
Offutt Air Force Base / ˈ ɒ f ʌ t / (IATA: OFF, ICAO: KOFF, FAA LID: OFF) is a U.S. Air Force base south of Omaha, adjacent to Bellevue in Sarpy County, Nebraska.It is the headquarters of the U.S. Strategic Command (USSTRATCOM), the 557th Weather Wing, and the 55th Wing (55 WG) of the Air Combat Command (ACC), the latter serving as the host unit.
Also in 1998, an online bridge offering in Microsoft Gaming Zone, later MSN Games, was supplied by Bridge Base. [2] Originally created by professional bridge player Fred Gitelman, BBO was first published by Bridge Base, Inc. in 2001 as a Windows-downloadable software offering free online multiplayer bridge rooms for practice and play. [3]
After the acquisition of Orange by France Télécom, its shares were sold to KPN Mobile. In 2002, the brand name was changed from Orange to Base. The fixed line and broadband operations were started in 2007 after the acquisition of Tele2 Belgium. In October 2009 the fixed line and broadband ADSL operations were rebranded from Tele2 to Base.
The deck prism laid flush into the deck, the glass prism refracted and dispersed natural light into the space below from a small deck opening without weakening the planks or becoming a fire hazard. In normal usage, the prism hangs below the overhead and disperses the light sideways; the top is flat and installed flush with the deck, becoming ...
A baseline, as defined by the United Nations Convention on the Law of the Sea, is the line (or curve) along the coast from which the seaward limits of a state's territorial sea and certain other maritime zones of jurisdiction are measured, such as a state's exclusive economic zone. Normally, a sea baseline follows the low-water line of a ...