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  2. Corrective lens - Wikipedia

    en.wikipedia.org/wiki/Corrective_lens

    Corrective lens. A pair of contact lenses, positioned with the concave side facing upward. 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.

  3. Contact lenses - Wikipedia

    en.wikipedia.org/?title=Contact_lenses&redirect=no

    From the plural form: This is a redirect from a plural noun to its singular form.. This redirect link is used for convenience; it is often preferable to add the plural directly after the link (for example, [[link]]s).

  4. Google Contact Lens - Wikipedia

    en.wikipedia.org/wiki/Google_Contact_Lens

    Google Contact Lens was a smart contact lens project announced by Google on 16 January 2014. [1] The project aimed to assist people with diabetes by constantly measuring the glucose levels in their tears. [2] The project was being carried out by Verily and as of 2014 was being tested using prototypes. [1]

  5. Otto Wichterle - Wikipedia

    en.wikipedia.org/wiki/Otto_Wichterle

    Otto Wichterle ( Czech pronunciation: [ˈoto ˈvɪxtr̩lɛ]; 27 October 1913 – 18 August 1998) was a Czech chemist, best known for his invention of modern soft contact lenses. [1] Wichterle is the author or co-author of approximately 180 patents and over 200 publications. The studies and independent books covered various aspects of organic ...

  6. Ball lens - Wikipedia

    en.wikipedia.org/wiki/Ball_lens

    A ball lens is an optical lens in the shape of a sphere. Formally, it is a bi-convex spherical lens with the same radius of curvature on both sides, and diameter equal to twice the radius of curvature. The same optical laws may be applied to analyze its imaging characteristics as for other lenses. As a lens, a transparent sphere of any material ...

  7. Fungal contamination of contact lenses - Wikipedia

    en.wikipedia.org/wiki/Fungal_contamination_of...

    Possible fungal contaminated lens. Microbial corneal infection is the most serious and "most common vision threatening" [1] [2] complication of contact lens wear, [1] which is believed to be strongly associated with contact lens cases. [1] Such infections "are being increasingly recognized as an important cause of morbidity and blindness" [2 ...

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