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  2. List of soft contact lens materials - Wikipedia

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

    Clariti 1 day, Clariti 1 day toric, Clariti 1 day multifocal, Live daily disposable Fanfilcon A: 55: 90-110: 0.6: 0.06: Avaira Vitality, Avaira Vitality toric, 24H Toric Samfilcon A: 46 [23] 163 [24] 0.7: 0.07: Bausch & Lomb Ultra, Bausch & Lomb Ultra for Astigmatism, Bausch & Lomb Ultra for Presbyopia Elastofilcon: 0.2: 340: SilSoft Aphakic ...

  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. 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. 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 ...

  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. Adjustable-focus eyeglasses - Wikipedia

    en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

    Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has to change their eye position ...

  7. Intraocular lens - Wikipedia

    en.wikipedia.org/wiki/Intraocular_lens

    Intraocular lens. An Intraocular lens ( IOL) is a lens implanted in the eye usually as part of a treatment for cataracts or for correcting other vision problems such as short sightedness and long sightedness; a form of refractive surgery. If the natural lens is left in the eye, the IOL is known as phakic, otherwise it is a pseudophakic lens (or ...

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