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  2. List of soft contact lens materials - Wikipedia

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

    Lenses made of PMMA are called hard lenses. [ 5] Soft contact lenses were first produced in 1961 by Czech chemical engineer Otto Wichterle using polyhydroxyethylmethacrylate (pHEMA), a material that achieved long-term commercial application. Lenses made of polyacrylamide were introduced in 1971. [ 5]

  3. 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 ...

  4. Fresnel lens - Wikipedia

    en.wikipedia.org/wiki/Fresnel_lens

    A Fresnel lens (/ ˈ f r eɪ n ɛ l,-n əl / FRAY-nel, -⁠nəl; / ˈ f r ɛ n ɛ l,-əl / FREN-el, -⁠əl; or / f r eɪ ˈ n ɛ l / fray-NEL [1]) is a type of composite compact lens which reduces the amount of material required compared to a conventional lens by dividing the lens into a set of concentric annular sections.

  5. U.S. Government Asks For Consumer Help on Solar Scams

    www.aol.com/u-government-asks-consumer-help...

    The FTC received 5,331 complaints containing the phrase “solar panels” between Jan. 1 and Sept. 19 of 2023, up 31% from the entire year of 2022 and up 746% since 2018, when it received just ...

  6. List of country calling codes - Wikipedia

    en.wikipedia.org/wiki/List_of_country_calling_codes

    376 – Andorra (formerly 33 628) 377 – Monaco (formerly 33 93) 378 – San Marino (interchangeably with 39 0549; earlier was allocated 295 but never used) 379 – Vatican City (assigned but uses 39 06698). 38 – formerly assigned to Yugoslavia until its break-up in 1991. 380 – Ukraine. 381 – Serbia.

  7. Minnesota trooper charged in crash that killed 18-year-old

    www.aol.com/news/minnesota-trooper-charged-crash...

    The deadly crash happened at around 5:44 p.m. on May 18 near a mall in Rochester, a city of around 121,000 in the southeastern part of the state. Authorities alleged he was driving 83 mph in a 40 ...

  8. Bank stocks like Goldman Sachs are suddenly soaring—and ...

    www.aol.com/finance/bank-stocks-goldman-sachs...

    The S&P 500, an index composed of the biggest publicly traded companies in the U.S., hit another all-time high this week. And in an unusual twist, it has been financial stocks at the forefront of ...

  9. Columbus, Ohio - Wikipedia

    en.wikipedia.org/wiki/Columbus,_Ohio

    Columbus (/ k ə ˈ l ʌ m b ə s /, kə-LUM-bəs) is the capital and most populous city of the U.S. state of Ohio.With a 2020 census population of 905,748, [10] it is the 14th-most populous city in the U.S., the second-most populous city in the Midwest (after only Chicago), and the third-most populous U.S. state capital, after only Phoenix, Arizona and Austin, Texas.

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