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  2. Small incision lenticule extraction - Wikipedia

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

    One conspicuous difference between SMILE and LASIK is the size and shape of the corneal incision. In LASIK, the surgeon performs a 270-degree, 20 mm long incision, while in SMILE the so-called "side cap cut", which is the incision through which the surgeon extracts the lenticule, is usually about 4 mm long. [5]

  3. LASIK - Wikipedia

    en.wikipedia.org/wiki/LASIK

    In the United States, the US Food and Drug Administration (FDA) has approved LASIK for people 18 years of age and older, but the American Academy of Ophthalmology recommends people wait until age 21 because vision needs to stabilize. [11] [12] More importantly the patient's eye prescription should be stable for at least one year prior to ...

  4. Refractive surgery - Wikipedia

    en.wikipedia.org/wiki/Refractive_surgery

    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 replacement.

  5. Myopia - Wikipedia

    en.wikipedia.org/wiki/Myopia

    When the flap again covers the cornea, the change in curvature generated by the laser ablation proceeds to the corneal surface. Though LASIK is usually painless and involves a short rehabilitation period post-surgery, it can potentially result in flap complications and loss of corneal stability (post-LASIK keratectasia). [113] [114]

  6. Anisometropia - Wikipedia

    en.wikipedia.org/wiki/Anisometropia

    Anisometropia causes some people to have mild vision problems, or occasionally more serious symptoms like alternating vision or frequent squinting. However, since most people do not show any clear symptoms, the condition usually is found during a routine eye exam. [8] For early detection in preverbal children, photoscreening can be used.

  7. Photorefractive keratectomy - Wikipedia

    en.wikipedia.org/wiki/Photorefractive_keratectomy

    With PRK, the corneal epithelium is removed and discarded, allowing the cells to regenerate after the surgery. The procedure is distinct from LASIK (laser-assisted in-situ keratomileusis), a form of laser eye surgery where a permanent flap is created in the deeper layers of the cornea. However, PRK takes longer to heal and can, initially, cause ...