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  2. Essilor - Wikipedia

    en.wikipedia.org/wiki/Essilor

    Crizal Prevencia, launched in 2013, is a lens that lets in beneficial light and filters out blue-violet and UV rays. In 2014, Essilor won a Fibre Innovation Award for Crizal Prevencia at an event at the Paris Pierre and Marie Curie University celebrating advances in technology that benefit society.

  3. EssilorLuxottica - Wikipedia

    en.wikipedia.org/wiki/EssilorLuxottica

    It designs, produces and markets ophthalmic lenses, equipment and instruments, prescription glasses and sunglasses. It was founded on 1 October 2018 and its name is an amalgamation of the two major corporations which merged to create it; the French Essilor and the Italian Luxottica .

  4. Comparison shopping website - Wikipedia

    en.wikipedia.org/wiki/Comparison_shopping_website

    A comparison shopping website, sometimes called a price comparison website, price analysis tool, comparison shopping agent, shopbot, aggregator or comparison shopping engine, is a vertical search engine that shoppers use to filter and compare products based on price, features, reviews and other criteria.

  5. Category:Lens manufacturers - Wikipedia

    en.wikipedia.org/wiki/Category:Lens_manufacturers

    This is for companies who exclusively or predominantly create optical lenses for still and film photography. Subcategories This category has the following 10 subcategories, out of 10 total.

  6. 3 Best Grocery Price Comparison Apps To Help You Save - AOL

    www.aol.com/5-best-apps-comparing-grocery...

    Grocery price comparison apps are a great alternative, saving you time and money by showing you where to find the best deals. Check Out: Pocket an Extra $400 a Month With This Simple Hack.

  7. List of lens designs - Wikipedia

    en.wikipedia.org/wiki/List_of_lens_designs

    This list covers optical lens designs grouped by tasks or overall type. The field of optical lens designing has many variables including the function the lens or group of lenses have to perform, the limits of optical glass because of the index of refraction and dispersion properties, and design constraints including realistic lens element center and edge thicknesses, minimum and maximum air ...