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Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [2]
Contact lenses. to correct refractive errors of the eye; a little invasive. Phoropter. used in refraction testing. Tonometers. used to determine the intraoccular pressure (IOP) - useful in glaucoma; video link for various types of tonometers. Speculum: to keep the eyes open during any operation. Universal eye speculum.
CaribVision Inc. Caribbean Media Corporation (CMC) CaribVision is a 24/7 English language Caribbean cable-TV channel based in Barbados, with affiliate studios in the United States. DFH Network. DFH Network Inc. Turkish Pay-TV service based in Santa Ana, California comprising 7 channels.
Discovery Communications / Sony / IMAX. August 12, 2014 [ 3] Launched on February 13, 2011. 3D television channel. Alpha Repertory Television Service. Hearst Corporation / ABC. February 1, 1984. Launched on April 12, 1981. Merged with The Entertainment Channel to form A&E .
The DISH 500, as a result, provided very large capacity for local-into-local service, nationwide programming, and business services. In order to migrate existing customers to DISH 500, DISH Network provided value-added channels in addition to local channels that could only be received with the DISH 500 and newer systems.
List of Amazon Prime Video exclusive international distribution programming. These series are programs that have aired on other networks where Amazon Prime Video has bought exclusive distribution rights to stream them in alternate regions on its own platform, although Amazon lists them as Prime Video Originals.
The Three Angels Broadcasting Network ( 3ABN) is a Christian media television and radio network which broadcasts Seventh-day Adventist religious, music and health -oriented programming, based in West Frankfort, Illinois, United States. Although it is not formally tied to any particular church or denomination, much of its programming focuses on ...
PRISM (Philadelphia Regional In-home Sports and Movies) was an American regional premium cable television channel in the Philadelphia metropolitan area. Launched in September 1976, PRISM was primarily distributed through area cable systems, although it was also available through a scrambled over-the-air signal on WWSG-TV (channel 57, now WPSG) from 1983 to 1985.