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  2. Prism cover test - Wikipedia

    en.wikipedia.org/wiki/Prism_Cover_Test

    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]

  3. Polarized 3D system - Wikipedia

    en.wikipedia.org/wiki/Polarized_3D_system

    Cardboard glasses with earpieces and larger filters were used to watch Bwana Devil, the feature-length color 3-D film that premiered on 26 November 1952 and ignited the brief but intense 3-D fad of the 1950s. The well-known Life magazine photo of an audience wearing 3-D glasses was one of a series taken at the premiere.

  4. Polarizer - Wikipedia

    en.wikipedia.org/wiki/Polarizer

    The Sénarmont prism is air spaced, unlike the Wollaston and Rochon prisms. These prisms truly split the beam into two fully polarized beams with perpendicular polarizations. The Nomarski prism is a variant of the Wollaston prism, which is widely used in differential interference contrast microscopy .

  5. Periscope - Wikipedia

    en.wikipedia.org/wiki/Periscope

    b Prisms c Observer's eye Principle of the lens periscope. The two periscopes differ in the way they erect the image. The left one uses an erecting prism whereas the right uses an erecting lens and a second image plane. a Objective lens b Field lens c Image erecting lens d Ocular lens e Lens of the observer's eye f Right-angled prism g Image ...

  6. Prism Skylabs - Wikipedia

    en.wikipedia.org/wiki/Prism_Skylabs

    Prism Skylabs was founded by Steve Russell and Ron Palmeri in July 2011. [11] Its investors include Andreessen Horowitz, Anthem Venture Partners, CrunchFund, Data Collective, Expa, Intel Capital, Pacific Partners, Presidio Ventures, Promus, SV Angel, Tomorrow Ventures and Triangle Peak Partners. [12]

  7. Glass - Wikipedia

    en.wikipedia.org/wiki/Glass

    Some of these glasses (e.g. Germanium dioxide (GeO 2, Germania), in many respects a structural analogue of silica, fluoride, aluminate, phosphate, borate, and chalcogenide glasses) have physicochemical properties useful for their application in fibre-optic waveguides in communication networks and other specialised technological applications.

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