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  2. Prism correction - Wikipedia

    en.wikipedia.org/wiki/Prism_correction

    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]

  3. Prentice position - Wikipedia

    en.wikipedia.org/wiki/Prentice_position

    The Prentice position is an orientation of a prism, used in optics, optometry and ophthalmology. In this position, named after the optician Charles F. Prentice , the prism is oriented such that light enters it at an angle of 90° to the first surface, so that the beam does not refract at that surface.

  4. Windows Contacts - Wikipedia

    en.wikipedia.org/wiki/Windows_Contacts

    Windows Contacts is a contact manager that is included in Windows Vista, Windows 7, Windows 8, Windows 10, and Windows 11. It replaced but retains most of the functionality of Windows Address Book and worked with Windows Live Mail and the Vista version of Windows Mail. Windows Contacts uses an XML-based schema format.

  5. 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]

  6. Lens - Wikipedia

    en.wikipedia.org/wiki/Lens

    A burning apparatus consisting of two biconvex lens. A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.A simple lens consists of a single piece of transparent material, while a compound lens consists of several simple lenses (elements), usually arranged along a common axis.

  7. List of model checking tools - Wikipedia

    en.wikipedia.org/wiki/List_of_model_checking_tools

    Unix, Windows, macOS PAT: Plain, real-time, probabilistic CSP#, timed CSP, probabilistic CSP LTL, assertions: Yes Yes Yes Yes Free C#: Windows, others with Mono: PRISM: Probabilistic PEPA, PRISM language, Plain MC CSL, PLTL, PCTL: No Yes No No Free C++, Java: Windows, Linux, macOS Rumur: Plain Murφ Invariants, assertions Yes No No No Free C ...

  8. Comparison of cross-platform instant messaging clients

    en.wikipedia.org/wiki/Comparison_of_cross...

    General Client Developer Initial release Platform Latest release License (client) License (server) Monthly active users Version Date BlackBerryMessenger Enterprise Blackberry June 2014 ; 9 years ago (2014-06) iOS, Android Proprietary freeware Proprietary Briar May 9, 2018 ; 6 years ago (2018-05-09) Android 1.5.9 2024-01-16 GPL-3.0-or-later Not applicable (peer-to-peer over Bluetooth, WiFi, or ...

  9. Contact lens - Wikipedia

    en.wikipedia.org/wiki/Contact_lens

    Contact lens. A pair of contact lenses, positioned with the concave side facing upward. Putting contacts in and taking them out. One-day disposable contact lenses with blue handling tint in blister-pack packaging. Contact lenses, or simply contacts, are thin lenses placed directly on the surface of the eyes. Contact lenses are ocular prosthetic ...

  10. Horror fusionis - Wikipedia

    en.wikipedia.org/wiki/Horror_fusionis

    Ophthalmology. In ophthalmology, horror fusionis is a condition in which the eyes have an unsteady deviation, with the extraocular muscles performing spasm-like movements that continuously shift the eyes away from the position in which they would be directed to the same point in space, giving rise to diplopia. Even when the double vision images ...

  11. DxO ViewPoint - Wikipedia

    en.wikipedia.org/wiki/DxO_ViewPoint

    DxO ViewPoint is image geometry and lens defect correction software developed by DxO. It is designed to automatically straighten distorted perspectives caused by the lens used and the position of the photographer.