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  2. Progressive lens - Wikipedia

    en.wikipedia.org/wiki/Progressive_lens

    Progressive lenses are corrective lenses used in eyeglasses to correct presbyopia and other disorders of accommodation. They are characterised by a gradient of increasing lens power, added to the wearer's correction for the other refractive errors. The gradient starts at the wearer's distance prescription at the top of the lens and reaches a ...

  3. 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 ...

  4. 10 Great Sites to Buy Cheap Eyeglasses Online - AOL

    www.aol.com/10-great-sites-buy-cheap-140036394.html

    Meant to protect your eyes from extensive screen time, these frames start at $67 for non-prescription lenses and $142 for prescriptions within the +4.00/-4.00 range. Glasses from Ambr typically ...

  5. Varilux - Wikipedia

    en.wikipedia.org/wiki/Varilux

    Varilux. Varilux is a brand name belonging to Essilor International, a producer of corrective lenses. The first version of the lens was invented by Bernard Maitenaz and released in 1959, and was the first modern progressive lens to correct presbyopia. The progressive lens is characterized by correcting near, intermediate and far vision.

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

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

    The American Academy of Ophthalmology recommends opting for metal frames and lenses with anti-scratch, anti-reflective, and UV-protective coatings, which come with higher price tags. ️ Consider ...

  7. 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.

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