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  2. Congenital cataract - Wikipedia

    en.wikipedia.org/wiki/Congenital_cataract

    Congenital cataracts are a lens opacity that is present at birth. Congenital cataracts occur in a broad range of severity. Some lens opacities do not progress and are visually insignificant, others can produce profound visual impairment. Congenital cataracts may be unilateral or bilateral. They can be classified by morphology, presumed or ...

  3. Cataract - Wikipedia

    en.wikipedia.org/wiki/Cataract

    A cataract is a cloudy area in the lens of the eye that leads to a decrease in vision of the eye. [ 1 ] [ 7 ] Cataracts often develop slowly and can affect one or both eyes. [ 1 ] Symptoms may include faded colours, blurry or double vision , halos around light, trouble with bright lights, and difficulty seeing at night . [ 1 ]

  4. Corneal opacity - Wikipedia

    en.wikipedia.org/wiki/Corneal_opacity

    Leucomatous corneal opacity is a dense white opacity which results due to scarring of more than half of the stroma. [4] A number of different presentations of leucomatous corneal opacity exist: Adherent leucoma: results when healing occurs after perforation of cornea with incarceration of iris.

  5. Cataract surgery - Wikipedia

    en.wikipedia.org/wiki/Cataract_surgery

    Cataract surgery, also called lens replacement surgery, is the removal of the natural lens of the eye that has developed a cataract, an opaque or cloudy area. [1] The eye's natural lens is usually replaced with an artificial intraocular lens (IOL) implant.

  6. History of cataract surgery - Wikipedia

    en.wikipedia.org/wiki/History_of_cataract_surgery

    Couching is the earliest-documented form of cataract surgery, and one of the oldest surgical procedures ever performed. In this technique, the lens is dislodged and pushed aside into the vitreous cavity, but not removed from the eye, thus removing the opacity from the visual axis, but also the ability to focus. [10]

  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 near-sightedness (myopia) and far-sightedness (hyperopia); a form of refractive surgery.

  8. Galactosemic cataract - Wikipedia

    en.wikipedia.org/wiki/Galactosemic_cataract

    A cataract is an opacity that develops in the crystalline lens of the eye. [9] The word cataract literally means, "curtain of water" or "waterfall" as rapidly running water turns white, so the term may have been used metaphorically to describe the similar appearance between mature ocular opacities and water fall.

  9. Lens induced glaucomas - Wikipedia

    en.wikipedia.org/wiki/Lens_induced_glaucomas

    The crystalline lens inside the human eye has been implicated as a causative factor in many forms of glaucoma. Lens induced glaucomas or Lens related glaucomas are either open-angle or closed-angle glaucomas that can occur due to a neglected advanced cataract (cloudiness of the lens) or a dislocated lens. It is a type of secondary glaucoma.