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  2. Orthokeratology - Wikipedia

    en.wikipedia.org/wiki/Orthokeratology

    Orthokeratology lens. Orthokeratology, also referred to as Night lenses, Ortho-K, OK, Overnight Vision Correction, Corneal Refractive Therapy (CRT), Accelerated Orthokeretology, Cornea Corrective Contacts, Eccentricity Zero Molding, and Gentle Vision Shaping System (GVSS), is the use of gas-permeable contact lenses that temporarily reshape the cornea to reduce refractive errors such as myopia ...

  3. Refractive surgery - Wikipedia

    en.wikipedia.org/wiki/Refractive_surgery

    Types. myopia, hyperopia, astigmatism, presbyopia. [ edit on Wikidata] Refractive surgery is an optional eye surgery used to improve the refractive state of the eye and decrease or eliminate dependency on glasses or contact lenses. This can include various methods of surgical remodeling of the cornea (keratomileusis), lens implantation or lens ...

  4. Photorefractive keratectomy - Wikipedia

    en.wikipedia.org/wiki/Photorefractive_keratectomy

    Photorefractive keratectomy (PRK) and laser-assisted sub-epithelial keratectomy (or laser epithelial keratomileusis[1]) (LASEK) are laser eye surgery procedures intended to correct a person's vision, reducing dependency on glasses or contact lenses. LASEK and PRK permanently change the shape of the anterior central cornea using an excimer laser ...

  5. Clear lens extraction - Wikipedia

    en.wikipedia.org/wiki/Clear_lens_extraction

    Clear lens extraction, also known as refractive lensectomy, custom lens replacement or refractive lens exchange is a surgical procedure in which clear lens of the human eye is removed. Unlike cataract surgery , where cloudy lens is removed to treat cataract , clear lens extraction is done to surgically correct refractive errors such as high ...

  6. Myopia - Wikipedia

    en.wikipedia.org/wiki/Myopia

    Myopia is the most common eye problem and is estimated to affect 1.5 billion people (22% of the world population). [ 2 ] [ 4 ] Rates vary significantly in different areas of the world. [ 2 ] Rates among adults are between 15% and 49%.

  7. Keratomileusis - Wikipedia

    en.wikipedia.org/wiki/Keratomileusis

    Corneal reshaping. ICD-9-CM. 11.71. [edit on Wikidata] Keratomileusis, from Greek κέρας (kéras: horn) and σμίλευσις (smíleusis: carving), [1] or corneal reshaping, is the improvement of the refractive state of the cornea by surgically reshaping it. It is the most common form of refractive surgery. The first usable technique was ...

  8. Corneal inlay - Wikipedia

    en.wikipedia.org/wiki/Corneal_inlay

    A corneal inlay (also called an intracorneal implant) [1] is a device which is surgically implanted in the cornea of the eye as a treatment for presbyopia. [2] Successful installation results in reducing dependence on reading glasses, so that the user can more easily engage in everyday tasks such as using a mobile phone, reading store shelf prices and working on a computer.

  9. Small incision lenticule extraction - Wikipedia

    en.wikipedia.org/wiki/Small_incision_lenticule...

    Ophthalmology. [edit on Wikidata] ReLEx Small incision lenticule extraction (SMILE), second generation of ReLEx Femtosecond lenticule extraction (FLEx), is a form of laser based refractive eye surgery developed by Carl Zeiss Meditec used to correct myopia, and cure astigmatism. Although similar to LASIK laser surgery, the intrastromal procedure ...

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