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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]
The prism cover test ( PCT) is an objective measurement and the gold standard in measuring strabismus, i.e. ocular misalignment, or a deviation of the eye. [1] It is used by ophthalmologists and orthoptists in order to measure the vertical and horizontal deviation and includes both manifest and latent components. [1]
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.
India Today (formerly Headlines Today) is a 24-hour English language television news channel based in Noida, Uttar Pradesh that carries news, current affairs and business programming in India. The channel is owned by TV Today Network Ltd, which is a part of Living Media .
Corrective lens. A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia. Glasses or "spectacles" are worn on the face a short distance in front of the eye.
A team of international researchers found that the answer lies in their DNA, tracing the origin to one ancient gene family that’s responsible for the prickles in all these variations, according ...
Season of television series List of Pretty Rhythm: Rainbow Live episodes No. of episodes 51 Release Original network TV Tokyo Original release April 6, 2013 (2013-04-06) – March 29, 2014 (2014-03-29) Season chronology ← Previous Pretty Rhythm: Dear My Future Next → Pretty Rhythm: All Star Selection Pretty Rhythm: Rainbow Live is a 2013 anime television series produced by Tatsunoko ...
Pluto TV is a free ad-supported streaming television (FAST) service owned and operated by the Paramount Streaming division of Paramount Global. [1]Co-founded by Tom Ryan, Ilya Pozin and Nick Grouf in 2013 and based in Los Angeles, California, [2] Pluto is a free ad-supported streaming television (FAST) service available in the Americas and Europe that primarily offers programming content ...