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  2. Photorefractive keratectomy - Wikipedia

    en.wikipedia.org/wiki/Photorefractive_keratectomy

    The procedure can be used to treat astigmatism, nearsightedness, and farsightedness. [3] During the procedure, the epithelium is displaced using a diluted alcohol solution. [4] PRK has advantages over LASIK in that it avoids added complications associated with the flap created during surgery.

  3. LASIK - Wikipedia

    en.wikipedia.org/wiki/LASIK

    For people with moderate to high myopia or thin corneas which cannot be treated with LASIK or PRK, the phakic intraocular lens is an alternative. [ 4 ] [ 5 ] As of 2018, roughly 9.5 million Americans have had LASIK [ 1 ] [ 6 ] and, globally, between 1991 and 2016, more than 40 million procedures were performed.

  4. Radial keratotomy - Wikipedia

    en.wikipedia.org/wiki/Radial_keratotomy

    Radial keratotomy (RK) is a refractive surgical procedure to correct myopia (nearsightedness). It was developed in 1974 by Svyatoslav Fyodorov, a Russian ophthalmologist. It has been largely supplanted by newer, more accurate operations, such as photorefractive keratectomy, LASIK, Epi-LASIK and the phakic intraocular lens. [1]

  5. Refractive surgery - Wikipedia

    en.wikipedia.org/wiki/Refractive_surgery

    Recovery time is longer with PRK than with LASIK, though the outcome (after 3 months) is about the same (very good). More recently, customized ablation has been performed with LASIK, LASEK, and PRK. Transepithelial photorefractive keratectomy (TransPRK) is a laser-assisted eye surgery to correct refraction errors of human eye corneas. It uses ...

  6. Eye surgery - Wikipedia

    en.wikipedia.org/wiki/Eye_surgery

    Laser eye surgery or laser corneal surgery is a medical procedure that uses a laser to reshape the surface of the eye to correct myopia (short-sightedness), hypermetropia (long-sightedness), and astigmatism (uneven curvature of the eye's surface). Importantly, refractive surgery is not compatible with everyone, and people may find on occasion ...

  7. Laser blended vision - Wikipedia

    en.wikipedia.org/wiki/Laser_blended_vision

    Laser Blended Vision is suitable in general for anyone with presbyopia who is also a candidate for corneal laser eye surgery; the range of preoperative prescriptions that can be treated varies, but results have been published for laser blended vision using the Carl Zeiss Meditec MEL80 excimer laser for myopia (short-sightedness) up to -8.50D ...