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  2. These Stylish, Doctor-Approved Reading Glasses Can Help ... - AOL

    www.aol.com/best-doctor-approved-reading-glasses...

    Because of their thin, narrow frames, you can treat these readers almost like bifocals—if you have otherwise-fine eyesight, they’re easy to peer over. They also come in a wide range of ...

  3. Corrective lens - Wikipedia

    en.wikipedia.org/wiki/Corrective_lens

    Corrective lens. 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. Glasses or "spectacles" are worn on the face a short distance in front of the eye.

  4. Glasses - Wikipedia

    en.wikipedia.org/wiki/Glasses

    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 ...

  5. Crown glass (optics) - Wikipedia

    en.wikipedia.org/wiki/Crown_glass_(optics)

    Crown glass is a type of optical glass used in lenses and other optical components. It has relatively low refractive index (≈1.52) and low dispersion (with Abbe numbers between 50 and 85). Crown glass is produced from alkali-lime silicates containing approximately 10% potassium oxide and is one of the earliest low dispersion glasses .

  6. At 57, Brooke Shields Loves These Stylish Reading Glasses—and ...

    www.aol.com/57-brooke-shields-loves-stylish...

    Shop Now. Bixby Progressive Readers. $155.00. caddislife.com. More. “Day after press self-care!!” she captioned a close-up selfie in which her face is barely visible, covered by a gold sheet ...

  7. 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 ...

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