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  2. Chicken eyeglasses - Wikipedia

    en.wikipedia.org/wiki/Chicken_eyeglasses

    Chicken eyeglasses. 1911 newspaper story on chicken eyeglasses from the Spirit Lake Beacon (Iowa) [1] Chicken eyeglasses, also known as chicken specs, chicken goggles, generically as pick guards, and under other names, [2] were small eyeglasses made for chickens intended to prevent feather pecking and cannibalism.

  3. Color blind glasses - Wikipedia

    en.wikipedia.org/wiki/Color_blind_glasses

    The lenses may be eyeglasses, contact lenses or handheld lenses, but are divided in this article according to their working principle. Most lenses are intended for red-green color blindness , though some lenses are also marketed for blue-yellow color blindness.

  4. Contact lens - Wikipedia

    en.wikipedia.org/wiki/Contact_lens

    Due to their medical nature, colored contact lenses, similar to regular ones, are illegal to purchase in the United States without a valid prescription. Those with perfect vision can buy color contacts for cosmetic reasons, but they still need their eyes to be measured for a "plano" prescription, meaning one with zero vision correction.

  5. Free trial pair of colored contact lenses

    www.aol.com/2009/10/15/free-trial-pair-of...

    Here's your chance to try colored contact lenses -- for free! Acuvue is offering a free trial pair of colored. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: ...

  6. EnChroma - Wikipedia

    en.wikipedia.org/wiki/EnChroma

    EnChroma lenses are designed, manufactured, marketed and distributed by EnChroma, inc. in Berkeley, California. EnChroma glasses were invented incidentally in 2002 by Donald McPherson while trying to develop lenses to protect and aid surgeons during laser operations. The company received a grant from the NIH in 2005 and the glasses were ...

  7. Circle contact lens - Wikipedia

    en.wikipedia.org/wiki/Circle_contact_lens

    A circle contact lens, also known as a big eye contact lens and circle lens, is a cosmetic (non-corrective and decorative) contact lens that makes the eye's iris appear larger. It has become a trend throughout East, South and Southeast Asia and is largely produced in Japan, South Korea and China .

  8. List of soft contact lens materials - Wikipedia

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

    planned replacement contact lenses. The US Food and Drug Administration (FDA) defines soft contact lenses as: made of soft, flexible plastics that allow oxygen to pass through to the cornea. Soft contact lenses may be easier to adjust to and are more comfortable than rigid gas permeable lenses.

  9. Fairness to Contact Lens Consumers Act - Wikipedia

    en.wikipedia.org/wiki/Fairness_to_Contact_Lens...

    The Fairness to Contact Lens Consumers Act (Pub. L. Tooltip Public Law (United States) 108–164 (text), 117 Stat. 2024, codified at 15 U.S.C. ch. 102 et seq.), also known as FCLCA, [citation needed] is a United States federal law that aims to improve consumer protection and ocular health for contact lens users.

  10. Glasses - Wikipedia

    en.wikipedia.org/wiki/Glasses

    Glasses, also known as eyeglasses and spectacles, are vision eyewear with clear or tinted lenses mounted in a frame that holds them in front of a person's eyes, typically utilizing a bridge over the nose and hinged arms, known as temples or temple pieces, that rest over the ears. Glasses are typically used for vision correction, such as with ...

  11. 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.