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  2. List of instruments used in ophthalmology - Wikipedia

    en.wikipedia.org/wiki/List_of_instruments_used...

    to correct refractive errors of the eye; a little invasive. Phoropter. used in refraction testing. Tonometers. used to determine the intraoccular pressure (IOP) - useful in glaucoma; video link for various types of tonometers. Speculum: to keep the eyes open during any operation. Universal eye speculum.

  3. Non-surgical rhinoplasty - Wikipedia

    en.wikipedia.org/wiki/Non-surgical_rhinoplasty

    Non-surgical correction is considered for patients with a treatment-suitable aesthetic defect, or a defect resulting from a surgical rhinoplasty (either primary or secondary). Although the procedure is usually performed for aesthetic purposes, it can also be used to correct some birth defects .

  4. Optics and vision - Wikipedia

    en.wikipedia.org/wiki/Optics_and_vision

    Corrective lens. A corrective lens is a lens worn in front of the eye, mainly used to treat myopia, hyperopia, astigmatism, and presbyopia. The goal is to bring vision up to 20/20 vision or as close to this as possible. Glasses or "spectacles" are corrective lenses worn on the face a short distance in front of the eye.

  5. LASIK - Wikipedia

    en.wikipedia.org/wiki/LASIK

    Laser-Assisted in Situ Keratomileusis (LASIK), commonly referred to as laser eye surgery or laser vision correction, is a type of refractive surgery for the correction of myopia, hyperopia, and an actual cure for astigmatism, since it is in the cornea.

  6. Phakic intraocular lens - Wikipedia

    en.wikipedia.org/wiki/Phakic_intraocular_lens

    Phakic intraocular lenses are indicated for patients with high refractive errors when the usual laser options for surgical correction (LASIK and PRK) are contraindicated. [1] [2] Phakic IOLs are designed to correct high myopia ranging from −5 to −20 D if the patient has enough anterior chamber depth (ACD) of at least 3 mm. [3]

  7. Intraocular lens - Wikipedia

    en.wikipedia.org/wiki/Intraocular_lens

    An Intraocular lens ( IOL) is a lens implanted in the eye usually as part of a treatment for cataracts or for correcting other vision problems such as short sightedness and long sightedness; a form of refractive surgery. If the natural lens is left in the eye, the IOL is known as phakic, otherwise it is a pseudophakic lens (or false lens).