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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. Bionic contact lens - Wikipedia

   en.wikipedia.org/wiki/Bionic_contact_lens

   Bionic contact lens. A bionic contact lens is a proposed device that could provide a virtual display that could have a variety of uses from assisting the visually impaired to video gaming, as claimed by the manufacturers and developers. [1] The device will have the form of a conventional contact lens with added bionics technology in the form of ...

4. List of longest smartphone telephoto lenses - Wikipedia

   en.wikipedia.org/wiki/List_of_longest_smartphone...

   Xiaomi Mi 11 Ultra with periscope telephoto lens (rectangular opening below the two lenses) This is a list of smartphones with a telephoto lens that offers a focal length (35mm equivalent) of at least 100mm or "4× optical zoom" with an imaging area equivalent to a 1/3.5″ or larger sensor . Smartphone lenses are often marketed in terms of ...

5. Hydrogen peroxide contact solutions - Wikipedia

   en.wikipedia.org/wiki/Hydrogen_peroxide_contact...

   The contacts are placed into a special container with a platinum-coated disk, which reacts with the hydrogen peroxide. This “redox” reaction (reduction and oxidation) produces small bubbles that help to clean the contacts. After 6-8 hours, the hydrogen peroxide becomes an eye-safe saline solution. [4] At this point, it is safe to use the ...

6. 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 ...

7. Clearly - Wikipedia

   en.wikipedia.org/wiki/Clearly

   clearly.ca. Clearly is an online retailer of contact lenses, eyeglasses and sunglasses. The company was acquired by EssilorLuxottica Canada, and is headquartered in Vancouver, British Columbia. [1] They are one of the largest online contact lens retailers in North America, and the largest seller of prescription eyeglasses online in the world.