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  2. Cataract surgery - Wikipedia

    en.wikipedia.org/wiki/Cataract_surgery

    Monofocal IOLs provide accurately focused vision at one distance only; far, intermediate, or near. People who are fitted with these lenses may need to wear glasses or contact lenses while reading or using a computer. These lenses usually have uniform spherical curvature.

  3. Prism correction - Wikipedia

    en.wikipedia.org/wiki/Prism_correction

    Prism correction. Prism lenses (here unusually thick) are used for pre-operative prism adaptation. Eye care professionals use prism correction as a component of some eyeglass prescriptions. A lens which includes some amount of prism correction will displace the viewed image horizontally, vertically, or a combination of both directions.

  4. Corrective lens - Wikipedia

    en.wikipedia.org/wiki/Corrective_lens

    A pair of contact lenses, positioned with the concave side facing upward. 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.

  5. Intraocular lens - Wikipedia

    en.wikipedia.org/wiki/Intraocular_lens

    Aphakia – Absence of the lens of the eye; Contact lensLenses placed on the eye's surface; Capsulorhexis – Tearing an opening in the lens capsule during cataract surgery; Cataract surgery – Removal of opacified lens from the eye; IOLVIP – Intraocular lens system to compensate for macular degeneration

  6. History of cataract surgery - Wikipedia

    en.wikipedia.org/wiki/History_of_cataract_surgery

    The development of IOLs was considered a notable innovation, as patients previously had to wear very thick glasses, or a special type of contact lens, in order to cope with the removal of their natural lens. IOLs can be used to correct other vision problems, such as toric lenses for correcting astigmatism.

  7. Multifocal intraocular lens - Wikipedia

    en.wikipedia.org/wiki/Multifocal_intraocular_lens

    Evidence about different lenses. Monofocal lenses are standard lenses used in cataract surgery. People who have a multifocal intraocular lens after their cataract is removed may be less likely to need additional glasses compared with people who have standard monofocal lenses.