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  2. List of soft contact lens materials - Wikipedia

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

    The first contact lenses were made of glass, in 1888. Initially the glass was blown but soon lenses were made by being ground to shape. For the first fifty years, glass was the only material used. The lenses were thin, yet reports of injury were rare. In 1938 perspex (polymethylmethacrylate, or PMMA) began to replace glass in contact lens ...

  3. Acuvue - Wikipedia

    en.wikipedia.org/wiki/Acuvue

    As a result, Acuvue was introduced to the market in 1987. The lens was originally indicated for seven-day extended wear and later became a daily wear lens. [3] Eventually the product line grew to range from the 1-day wear to two-week lenses such as the Acuvue 2 and Oasys and the Vita monthly lens.

  4. Contact lens - Wikipedia

    en.wikipedia.org/wiki/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 devices used ...

  5. Effects of long-term contact lens wear on the cornea - Wikipedia

    en.wikipedia.org/wiki/Effects_of_long-term...

    The effects of extended contact lens wear on the cornea have been studied extensively and are well-documented. When determining the effects of long-term contact lens use on the cornea, many studies do not differentiate between users of hard and soft contact lenses, while studies that have made this differentiation have found similar results.

  6. 1-800 Contacts - Wikipedia

    en.wikipedia.org/wiki/1-800_Contacts

    1-800 Contacts. 1-800 Contacts Inc. is an American contact lens retailer based in Draper, Utah. The brands that 1-800 Contacts use includes Johnson & Johnson Vision Care, Alcon, Bausch & Lomb and CooperVision. The company was founded as the industry's first way to buy contacts online and has since expanded to provide online prescription ...

  7. Circle contact lens - Wikipedia

    en.wikipedia.org/wiki/Circle_contact_lens

    The diameter of regular contact lenses that are sold in the United States are on average 14–16 mm. Similar to the diameter of regular contact lenses, circle lenses have no more than 15 mm diameter since larger sizes would be harmful to the eyes at daily wear.

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