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  2. Anisometropia - Wikipedia

    en.wikipedia.org/wiki/Anisometropia

    Refractive surgery causes only minimal size differences, similar to contact lenses. In a study performed on 53 children who had amblyopia due to anisometropia, surgical correction of the anisometropia followed by strabismus surgery if required led to improved visual acuity and even to stereopsis in many of the children [9] (see: Refractive ...

  3. Alpins method - Wikipedia

    en.wikipedia.org/wiki/Alpins_method

    Alpins method. The Alpins Method is a system to plan and analyze the results of refractive surgical procedures, such as laser in-situ keratomileus (LASIK). [ 1][ 2][ 3] The Alpins Method is also used to plan cataract /toric intraocular lens (IOL) surgical procedures. [ 4]

  4. Aberrations of the eye - Wikipedia

    en.wikipedia.org/wiki/Aberrations_of_the_eye

    Aberrations of the eye. The eye, like any other optical system, suffers from a number of specific optical aberrations. The optical quality of the eye is limited by optical aberrations, diffraction and scatter. [1] Correction of spherocylindrical refractive errors has been possible for nearly two centuries following Airy's development of methods ...

  5. Phakic intraocular lens - Wikipedia

    en.wikipedia.org/wiki/Phakic_intraocular_lens

    A phakic intraocular lens ( PIOL) is an intraocular lens that is implanted surgically into the eye to correct refractive errors without removing the natural lens (also known as "phakos", hence the term). Intraocular lenses that are implanted into eyes after the eye's natural lens has been removed during cataract surgery are known as pseudophakic.

  6. Intraocular lens - Wikipedia

    en.wikipedia.org/wiki/Intraocular_lens

    A toric IOL is a type of toric lens used to correct preexisting corneal astigmatism at the time of cataract surgery. [18] Astigmatism can also be treated with limbal relaxing incisions or an excimer laser procedure. [19] [20] About 40% of Americans have significant astigmatism and thus may be candidates for a toric IOL. [20]

  7. 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.

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