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  2. Multifocal lens - Wikipedia

    en.wikipedia.org/wiki/Multifocal_lens

    Multifocal lens may refer to: Progressive lens, used in eyeglasses; Multifocal intraocular lens; Multifocal diffractive lens, a diffractive optical element used with ...

  3. Multifocal intraocular lens - Wikipedia

    en.wikipedia.org/wiki/Multifocal_intraocular_lens

    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. [2] People receiving multifocal lenses may experience more visual problems, such as glare or haloes (rings around lights), than with monofocal lenses. [2]

  4. Progressive lens - Wikipedia

    en.wikipedia.org/wiki/Progressive_lens

    They are also known as multifocal lenses, progressive addition lenses (PAL), varifocal lenses, progressive power lenses, graduated prescription lenses, or progressive spectacle lenses. History [ edit ]

  5. Intraocular lens - Wikipedia

    en.wikipedia.org/wiki/Intraocular_lens

    However, other types are available, such as a multifocal intraocular lens that provides multiple-focused vision at far and reading distance, and adaptive IOLs that provide limited visual accommodation. Multifocal IOLs can also be trifocal IOLs or extended depth of focus (EDOF) lenses.

  6. Multifocal technique - Wikipedia

    en.wikipedia.org/wiki/Multifocal_technique

    Multifocal techniques are used in electroretinogram and visual evoked potential recordings to separate the responses originating from the stimulation of different ...

  7. Contact lens - Wikipedia

    en.wikipedia.org/wiki/Contact_lens

    Multifocal contact lenses (e.g. bifocals or progressives) are comparable to spectacles with bifocals or progressive lenses because they have multiple focal points. Multifocal contact lenses are typically designed for constant viewing through the center of the lens, but some designs do incorporate a shift in lens position to view through the ...

  8. AOL Mail - AOL Help

    help.aol.com/products/aol-webmail

    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

  9. Corrective lens - Wikipedia

    en.wikipedia.org/wiki/Corrective_lens

    Multifocal contact lenses (e.g. bifocals or progressives) are comparable to spectacles with bifocals or progressive lenses because they have multiple focal points. Multifocal contact lenses are typically designed for constant viewing through the center of the lens, but some designs do incorporate a shift in lens position to view through the ...