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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. Tunnel vision - Wikipedia

    en.wikipedia.org/wiki/Tunnel_vision

    Tunnel vision can be caused by: Glaucoma, a disease of the eye. [ 2] Retinitis pigmentosa, a disease of the eye. [ 3] Alcohol consumption. [ 4] In addition, the vision becomes blurred or double since eye muscles lose their precision causing them to be unable to focus on the same object. Sustained (1 second or more) high accelerations. [ 5]

  4. Pilocarpine - Wikipedia

    en.wikipedia.org/wiki/Pilocarpine

    Pilocarpine is a drug that acts as a muscarinic receptor agonist. It acts on a subtype of muscarinic receptor ( M 3) found on the iris sphincter muscle, causing the muscle to contract - resulting in pupil constriction ( miosis ). Pilocarpine also acts on the ciliary muscle and causes it to contract. When the ciliary muscle contracts, it opens ...

  5. 5 things you can do today to lower your risk of glaucoma

    www.aol.com/5-things-today-lower-risk-182527402.html

    Now you do not need to go and do the most high-intensity workout. In fact, research found that 30 to 45 minutes of brisk aerobic exercises (like walking, swimming, biking, etc.) can increase blood ...

  6. 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 ...

  7. 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.

  8. Trabeculectomy - Wikipedia

    en.wikipedia.org/wiki/Trabeculectomy

    Trabeculectomy is the most common invasive glaucoma surgery. It is highly effective in the treatment of advanced glaucoma as demonstrated in major glaucoma studies. [citation needed] Even if a prior trabeculectomy has failed a second trabeculectomy can be performed at a different site. If scarring is the main reason, anti-fibrotic and anti ...

  9. Macular sparing - Wikipedia

    en.wikipedia.org/wiki/Macular_sparing

    Macular sparing can be determined with visual field testing.The macula is defined as an area of approximately + 8 degrees around the center of the visual field. During examination, vision in an area of greater than 3 degrees must be preserved for a patient to be considered to have macular sparing because there is involuntary eye movement within 1 to 2 degrees.

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