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  2. Contoura Vision - Wikipedia

    en.wikipedia.org/wiki/Contoura_vision

    Contoura Vision has resulted in vision outcomes better than 6/6 (or 20/20, the standardized normal vision) in multiple patients who were a part of validation trials by the US FDA. Contoura Vision is the only technology where consistent success beyond 20/20 vision has been achieved in the majority of patients.

  3. List of soft contact lens materials - Wikipedia

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

    FDA classification of soft contact lens materials [13] FDA lens group Adopted name Transmissibility level (Dk x10-11) Water content Chemical composition I non-ionic low water content: galyfilcon A 60 47% – lotrafilcon A 140 24% DMA, siloxane, TRIS: lotrafilcon B 110 33% polymacon: 7.5 36% HEMA: tetrafilcon 9.0 43.5% HEMA, MMA, NVP: II non-ionic

  4. Orthokeratology - Wikipedia

    en.wikipedia.org/wiki/Orthokeratology

    Orthokeratology lens. Orthokeratology, also referred to as Night lenses, Ortho-K, OK, Overnight Vision Correction, Corneal Refractive Therapy (CRT), Accelerated Orthokeretology, Cornea Corrective Contacts, Eccentricity Zero Molding, and Gentle Vision Shaping System (GVSS), is the use of gas-permeable contact lenses that temporarily reshape the cornea to reduce refractive errors such as myopia ...

  5. This Is What Those Numbers on Your Glasses Mean - AOL

    www.aol.com/lifestyle/why-know-those-numbers...

    The numbers on your eyewear are more important than you think—an optometrist tells us why. The post This Is What Those Numbers on Your Glasses Mean appeared first on Reader's Digest.

  6. Just in time for back to school: This FDA-registered KN95 ...

    www.aol.com/lifestyle/just-time-back-school-fda...

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  7. Food and Drug Administration - Wikipedia

    en.wikipedia.org/wiki/Food_and_Drug_Administration

    The United States Food and Drug Administration (FDA or US FDA) is a federal agency of the Department of Health and Human Services.The FDA is responsible for protecting and promoting public health through the control and supervision of food safety, tobacco products, caffeine products, dietary supplements, prescription and over-the-counter pharmaceutical drugs (medications), vaccines ...

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