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  2. Adjustable-focus eyeglasses - Wikipedia

    en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

    Adjustable focus eyeglasses have one focal length, but it is variable without having to change where one is looking. Possible uses for such glasses are to provide inexpensive eyeglasses for people from low-income groups , developing countries , third world countries or to accommodate for presbyopia.

  3. Autostereoscopy - Wikipedia

    en.wikipedia.org/wiki/Autostereoscopy

    Because headgear is not required, it is also called "glasses-free 3D" or "glassesless 3D". There are two broad approaches currently used to accommodate motion parallax and wider viewing angles: eye-tracking, and multiple views so that the display does not need to sense where the viewer's eyes are located. [ 1 ]

  4. Ray-Ban Meta - Wikipedia

    en.wikipedia.org/wiki/Ray-Ban_Meta

    Unlike other smart glasses, the Ray-Ban Meta glasses do not include any HUD or AR head-mounted display. Meta announced them on September 27, 2023. Meta announced them on September 27, 2023. They use a Qualcomm Snapdragon AR1 Gen1 processor, upgrade of the cameras to 12 MP, improved audio, livestreaming to Facebook and Instagram, and Meta AI . [ 3 ]

  5. Specsavers - Wikipedia

    en.wikipedia.org/wiki/Specsavers

    Specsavers Optical Group Limited [1] is a British multinational optical retail chain, which operates mainly in the UK, Ireland, Australia, New Zealand, Canada, and the Nordic countries. The chain offers optometry and optician services for eyesight testing and sells glasses, sunglasses, and contact lenses. It also sells hearing aids.

  6. Glasses - Wikipedia

    en.wikipedia.org/wiki/Glasses

    Man with glasses. A woman with glasses. Glasses, also known as eyeglasses or spectacles, are vision eyewear with clear or tinted lenses mounted in a frame that holds them in front of a person's eyes, typically utilizing a bridge over the nose and hinged arms, known as temples or temple pieces, that rest over the ears for support.

  7. Anaglyph 3D - Wikipedia

    en.wikipedia.org/wiki/Anaglyph_3D

    If you view the image with red-cyan 3D glasses, the text will alternate between Red and Blue. 3D red cyan glasses are recommended to view this image correctly. Anaglyph 3D is the stereoscopic 3D effect achieved by means of encoding each eye's image using filters of different (usually chromatically opposite ) colors, typically red and cyan .

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