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  2. Glaucoma - Wikipedia

    en.wikipedia.org/wiki/Glaucoma

    Glaucoma is a group of eye diseases that lead to damage of the optic nerve, which transmits visual information from the eye to the brain. Glaucoma may cause vision loss if left untreated. It has been called the "silent thief of sight" because the loss of vision usually occurs slowly over a long period of time. [ 5]

  3. Ophthalmology - Wikipedia

    en.wikipedia.org/wiki/Ophthalmology

    Ophthalmology ( / ˌɒfθælˈmɒlədʒi /, OFF-thal-MOL-ə-jee) [ 1] is a clinical and surgical specialty within medicine that deals with the diagnosis and treatment of eye disorders. [ 2] A former term is oculism . An ophthalmologist is a physician who undergoes subspecialty training in medical and surgical eye care. [ 3]

  4. Astigmatism - Wikipedia

    en.wikipedia.org/wiki/Astigmatism

    Hopefully, after this, the eye will focus all light on the same location at the retina, and the patient's vision will be less blurred. [ medical citation needed ] In against-the-rule astigmatism, a plus cylinder is added in the horizontal axis (or a minus cylinder in the vertical axis).

  5. Oscillopsia - Wikipedia

    en.wikipedia.org/wiki/Oscillopsia

    Oscillopsia is a visual disturbance in which objects in the visual field appear to oscillate. The severity of the effect may range from a mild blurring to rapid and periodic jumping. [1] Oscillopsia is an incapacitating condition experienced by many patients with neurological disorders. [2] It may be the result of ocular instability occurring ...

  6. Uveitic glaucoma - Wikipedia

    en.wikipedia.org/wiki/Uveitic_glaucoma

    Uveitic glaucoma is a progressive stage of anterior noninfectious uveitis. Patients diagnosed with anterior noninfectious uveitis may also develop glaucoma; in this case the condition is termed uveitic glaucoma. Uveitic glaucoma can arise from the inflammation that occurs in uveitis; from steroid treatment for uveitis; [6] or a combination of both.

  7. Retinoblastoma - Wikipedia

    en.wikipedia.org/wiki/Retinoblastoma

    Retinoblastoma (Rb) is a rare form of cancer that rapidly develops from the immature cells of a retina, [ 2] the light-detecting tissue of the eye. [ 3] It is the most common primary malignant intraocular cancer in children, especially those under 3 years old. [ 4][ 5] Though most children in high income countries survive this cancer, [ 2] they ...

  8. Secondary glaucoma - Wikipedia

    en.wikipedia.org/wiki/Secondary_glaucoma

    Secondary glaucoma is a collection of progressive optic nerve disorders associated with a rise in intraocular pressure (IOP) which results in the loss of vision. In clinical settings, it is defined as the occurrence of IOP above 21 mmHg requiring the prescription of IOP-managing drugs. [1] It can be broadly divided into two subtypes: secondary ...

  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.

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