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  2. Adjustable-focus eyeglasses - Wikipedia

    en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

    Adjustable focus lenses, like single-focus lenses, also reduce image-jump and spatial distortion in the field of view associated with traditional multi-focal lenses. Additionally, the ideal near-vision correction can be achieved with precision, because the variable lenses emulate the focusing action of the youthful (non-presbyopic) eye.

  3. Eyeglass prescription - Wikipedia

    en.wikipedia.org/wiki/Eyeglass_prescription

    This specifies the part of the prescription designed primarily to improve far vision. In a bifocal lens, this generally indicates what is to be placed in the top segment. NV is an abbreviation for near vision. This may represent a single-vision lens prescription to improve near work, or the reading portion of a bifocal lens.

  4. Luxottica - Wikipedia

    en.wikipedia.org/wiki/Luxottica

    The new entity will be worth around $50bn (£37bn), sell close to a billion pairs of lenses and frames every year, and have a workforce of more than 140,000 people." [ 34 ] On 1 October 2018 the new holding company EssilorLuxottica was founded, resulting in combined market capitalization of approximately €46.3 billion as of the date of the ...

  5. Lenticular lens - Wikipedia

    en.wikipedia.org/wiki/Lenticular_lens

    Lenticular printing is a multi-step process consisting of creating a lenticular image from at least two existing images, and combining it with a lenticular lens. This process can be used to create various frames of animation (for a motion effect), offsetting the various layers at different increments (for a 3D effect), or simply to show a set ...

  6. FramesDirect.com - Wikipedia

    en.wikipedia.org/wiki/FramesDirect.com

    Frames Direct is an international online eyewear retailer owned by EssilorLuxottica. The company sells eyewear products such as eyeglasses, prescription sunglasses, sunglasses, and contact lenses through its website, https://www.framesdirect.com. Frames Direct sells designer and brand-name eyewear products with over 50,000 models. [1]

  7. EssilorLuxottica - Wikipedia

    en.wikipedia.org/wiki/EssilorLuxottica

    EssilorLuxottica acquired a 75% stake in the Dutch opticians group GrandVision, which owns Vision Express in the UK and For Eyes in the US, in 2019 for €28 per share, which would value the entirety of GrandVision at Euro 7.2 billion. [20] Del Vecchio died in June 2022, leaving $350 million in shares to Milleri. [21] [22]

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