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A spectrum of optic neuropathies that have in common damage to the ganglion cell layer in the retina that is related to both mechanical and vascular compromise and usually measured by optic nerve structure and fucntion.
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There were 33 articles found in this category:
  1. questionDiode Laser Ciliary Body Ablation - Cyclophotocoagulation
    Medications, lasers, and incisional surgery are used to lower the intraocular pressure to treat patients with glaucoma in order to prevent progressive optic nerve damage. One technique that is required at times is 'ablation' of the ciliary body - the portion within the eye that produces the aque ...

  2. questionSeton (Glaucoma Valve) Surgery for Treating Glaucoma
    The purpose of glaucoma drainage surgery is to help control the pressure in your eye and preserve your vision. If the intraocular pressure (IOP) remains too high, your optic nerve becomes damaged, leading to vision loss and eventual blindness. Although the long-term success of this procedure is ...

  3. questionNerve Fiber Layer and Optic Nerve Imaging
    In addition to the function as assessed by such tests as Visual Fields, Visual Acuity, and colour vision, an important ancillary test for glaucoma patients or suspects is 3D imaging of the optic nerve or the surrounding nerve fiber layer. These structural tests are correlated with the functiona ...

  4. questionCentral Corneal Thickness (CCT or Pachymetry)
    Measuring the Central Corneal Thickness (CCT) or Pachymetry, has become a standard ancillary test in the complete eye examination for patients at risk of having glaucoma. The first widespread use of this test was as a late addition to the Ocular Hypertension Treatment Study (OHTS) after it had ...

  5. questionGlaucoma—The Basics
    Glaucoma is a disease of the optic nerve, which transmits the images you see from the eye to the brain. The optic nerve is made up of many nerve fibers (like an electric cable with its numerous wires). Glaucoma damages nerve fibers, which can cause blind spots and vision loss. These nerve fiber ...

  6. questionCongenital Glaucoma
    Glaucoma is a disease of the optic nerve, which transmits the images you see from the eye to the brain. The optic nerve is made up of many nerve fibers (like an electric cable with its numerous wires). Glaucoma damages these nerve fibers, which can cause blind spots and vision loss. When the co ...

  7. questionVisual Field Testing
    Because it has no noticeable symptoms, glaucoma is a difficult disease to detect without regular, complete eye exams. A visual field test, often described as a test of the side-vision, is part of a complete eye exam. The visual field test (perimetry test), measures all areas of your field ...

  8. questionGonioscopy
    Glaucoma is a difficult disease to detect without regular, complete eye examination, since it usually has no symptoms. To help determine if the drainage channels for the aqueous humour within your eye are open, your eyecare provider will perform a gonioscopy. During gonioscopy, your ophthalmol ...

  9. questionPseudoexfoliation Glaucoma
    Pseudoexfoliation (PXF) glaucoma is a relatively common form of open-angle glaucoma that can cause significantly high eye pressures. This condition is marked by a dust-like material that is observed inside the eye on the surface of the iris and lens. This 'fibrillar' material also gets deposite ...

  10. questionTrabeculectomy with or without mini-shunt
    If you have glaucoma and medications and laser surgeries do not lower your eye pressure adequately, your ophthalmologist (Eye M.D.) may recommend a procedure called a trabeculectomy. This procedure is often performed with use of an anti-scarring medication to reduce the risk of scarring in cert ...

  11. questionSelective Laser Trabeculoplasty
    Selective laser trabeculoplasty (SLT) is a laser surgical procedure used to help lower intraocular pressure (IOP) of patients with open-angle glaucoma. SLT is used to treat the eye’s drainage system, known as the trabecular meshwork—the mesh-like drainage canals that surround the ir ...

  12. questionOptic Disc Photographs
    Photographic images of the optic disc are considered the standard for baseline documentation of the appearance (form) of the optic nerve. However, since the advent of such 3-D imaging devices as the Heidelberg Retinal Tomogram and other nerve fiber layer analyzers, they are often supplanted by ...

  13. questionNormal Tension Glaucoma
    Normal-tension glaucoma typically means that glaucoma damage has been detected in an eye with so-called “normal” intraocular pressure (IOP)—that is, an eye that has not had documented pressure above 20 mm Hg. Ophthalmologists increasingly believe that this condition is a conti ...

  14. questionGlaucoma Evaluation
    Because it has no noticeable symptoms, glaucoma is a difficult disease to detect without regular, complete eye exams. During a glaucoma evaluation, your ophthalmologist (Eye M.D.) will perform the following tests: Tonometry. Your ophthalmologist measures the pressure in your eyes (intraocul ...

  15. questionLaser Surgery of the Eye
    The word “laser” is an acronym for Light Amplification by Stimulated Emission of Radiation. A laser is a concentrated beam of light, created when an electrical current passes through a special material. Used in eye surgery since the 1970s, the laser is popular for its unparalleled d ...

  16. questionPigmentary Glaucoma
    Pigmentary dispersion syndrome is a condition in which increased amounts of pigment circulate within the front portion of the eye. This often results in having pigment layered on the back of the cornea, thinning of the iris creating characteristic 'Transillumination Defects,' and clogging of th ...

  17. questionPeripheral Iridotomy
    If your ophthalmologist (Eye M.D.) suspects that you have “narrow” or “closed” angles, this means that the drainage channel of your eye is blocked or nearly blocked, placing you at high risk for elevated intraocular pressure and vision loss. This is called angle-closure ...

  18. questionNeovascular Glaucoma
    Neovascular glaucoma is a particularly aggressive and difficult to treat kind of glaucoma. It is caused by new, small blood vessels growing in the front part of the eye. These neovascular vessels grow on the surface of the iris (the colored part of the eye) and over the drainage channel, blocki ...

  19. questionIntraocular Pressure
    Elevated intraocular pressure (high pressure within the eye) is the number one risk factor for glaucoma. However, elevated intraocular pressure (IOP) does not always cause glaucoma. The average eye pressure in adults ranges between 10 mm Hg and 21 mm Hg (“mm Hg” stands for “mi ...

  20. questionHow to Instill Eyedrops
    Infections, inflammation, glaucoma, and many other eye disorders often are treated with medicated eyedrops. It is important to remember that all medicines can have side effects. Surprisingly, even the small amount of medication in an eyedrop can create significant side effects in other parts o ...

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