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  2. List of soft contact lens materials - Wikipedia

    en.wikipedia.org/wiki/List_of_soft_contact_lens...

    Types. The FDA classifies soft contact lenses into four groups for the US market. They are also subcategorized into 1st generation, 2nd generation, and 3rd generation lens materials. [6] These 'water-loving' soft contact lens materials are categorized as "Conventional Hydrophilic Material Groups ("-filcon"): Group. Water Content.

  3. The Cooper Companies - Wikipedia

    en.wikipedia.org/wiki/The_Cooper_Companies

    The Cooper Companies, Inc., branded as CooperCompanies, is a global medical device company headquartered in San Ramon, California. [1] The company consists of two business units, CooperVision (CVI) which manufactures contact lenses, and CooperSurgical (CSI), which manufactures medical devices and fertility and genomic products for the women's health care market.

  4. CooperVision - Wikipedia

    en.wikipedia.org/wiki/CooperVision

    CooperVision. CooperVision in Ontario. CooperVision, Inc. is a business unit of The Cooper Companies, Inc.. It is primarily a soft contact lens manufacturer. The company was founded in 1980, and it's headquarters are in Pleasanton, California. Its products are sold in over 100 countries.

  5. 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 ...

  6. Multifocal diffractive lens - Wikipedia

    en.wikipedia.org/wiki/Multifocal_diffractive_lens

    Multifocal diffractive lens. A multifocal diffractive lens is a diffractive optical element (DOE) that allows a single incident beam to be focused simultaneously at several positions along the propagation axis. [1] Example of multifocal peak intensity distribution along optical axis. (Courtesy of Holo/Or)

  7. In race to regain rare earth glory, Europe falls short on ...

    www.aol.com/news/race-regain-rare-earth-glory...

    Four decades ago, a rare earth processing plant on France's Atlantic coast was one of the largest in the world, churning out materials used to make colour televisions, arc lights and camera lenses.

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