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  2. Progressive lens - Wikipedia

    en.wikipedia.org/wiki/Progressive_lens

    Progressive lenses are corrective lenses used in eyeglasses to correct presbyopia and other disorders of accommodation. They are characterised by a gradient of increasing lens power, added to the wearer's correction for the other refractive errors. The gradient starts at the wearer's distance prescription at the top of the lens and reaches a ...

  3. Varilux - Wikipedia

    en.wikipedia.org/wiki/Varilux

    Varilux. Varilux is a brand name belonging to Essilor International, a producer of corrective lenses. The first version of the lens was invented by Bernard Maitenaz and released in 1959, and was the first modern progressive lens to correct presbyopia. The progressive lens is characterized by correcting near, intermediate and far vision.

  4. List of United States insurance companies - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    Gracy Title Company. Grange Mutual Casualty Company. The Guardian Life Insurance Company of America. GuideOne Insurance. Hagerty Insurance Agency. Hanover Insurance. The Hartford. HCC Insurance Holdings. Hiscox Small Business Insurance.

  5. List of largest selling pharmaceutical products - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_selling...

    Drug Main indication Trade name 2018 sales (million USD) 2017 sales (million USD) 1 adalimumab: rheumatoid arthritis: Humira 19 936 18427 3 apixaban: anticoagulant: Eliquis 9872 7395 4 lenalidomide: multiple myeloma: Revlimid 9685 8187 5 nivolumab: oncology: Opdivo 7570 5763 6 pembrolizumab: oncology: Keytruda 7171 3809 7 etanercept: rheumatoid ...

  6. Corrective lens - Wikipedia

    en.wikipedia.org/wiki/Corrective_lens

    Corrective lens. A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia. Glasses or "spectacles" are worn on the face a short distance in front of the eye.

  7. Medicare (United States) - Wikipedia

    en.wikipedia.org/wiki/Medicare_(United_States)

    The current reimbursement formula is known as "ASP+6" since it reimburses physicians at 106% of the ASP of drugs. Pharmaceutical company discounts and rebates are included in the calculation of ASP, and tend to reduce it. In addition, Medicare pays 80% of ASP+6, which is the equivalent of 84.8% of the actual average cost of the drug.

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