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  2. Presbyopia - Wikipedia

    en.wikipedia.org/wiki/Presbyopia

    Eyeglasses, [ 1] contact lenses [ 2] Frequency. 25% currently; [ 3] all eventually affected [ 1] Presbyopia is physiological insufficiency of accommodation associated with the aging of the eye that results in progressively worsening ability to focus clearly on close objects. [ 4] Also known as age-related farsightedness [ 5] (or age-related ...

  3. Refractive error - Wikipedia

    en.wikipedia.org/wiki/Refractive_error

    The individual would experience difficulty in near vision, often relieved by reading glasses, bifocal, or progressive lenses. Astigmatism is when the refractive power of the eye is not uniform across the surface of the cornea because of asymmetry. In other words, the eye focuses light more strongly in one direction than another, leading to ...

  4. 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.

  5. Astigmatism - Wikipedia

    en.wikipedia.org/wiki/Astigmatism

    Astigmatism may be corrected with eyeglasses, contact lenses, or refractive surgery. [1] Glasses are the simplest and safest, although contact lenses can provide a wider field of vision . Refractive surgery can eliminate the need to wear corrective lenses altogether by permanently changing the shape of the eye but, like all elective surgery ...

  6. Aberrations of the eye - Wikipedia

    en.wikipedia.org/wiki/Aberrations_of_the_eye

    The small improvement in depth of focus with the conventional IOLs enhances uncorrected near vision and contribute to reading ability. Wavefront customized lenses can be used in eyeglasses. Based on Wavefront map of the eye and with the use of laser a lens is shaped to compensate for the aberrations of the eye and then put in the eyeglasses.

  7. I tried those Pair Eyewear glasses with the magnetic ... - AOL

    www.aol.com/lifestyle/tried-those-pair-eyewear...

    With prices starting at $60 per frame, prescription lenses included, Pair is already pretty affordable. However, for a limited time, Yahoo Life readers can save 15 percent on any Pair Eyewear ...

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