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Related Concept Videos

Glaucoma: Overview01:25

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Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
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In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
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Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
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Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
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Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
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Indications for a systemic work-up in glaucoma.

Matthew E Emanuel1, Steven J Gedde1

  • 1Bascom Palmer Eye Institute, University of Miami, Miller School of Medicine, Miami, Fla.

Canadian Journal of Ophthalmology. Journal Canadien D'Ophtalmologie
|December 1, 2014
PubMed
Summary
This summary is machine-generated.

Secondary glaucoma often requires systemic evaluation to identify associated diseases. Recognizing these conditions can improve glaucoma management and detect potentially life-threatening systemic illnesses.

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Area of Science:

  • Ophthalmology
  • Systemic Medicine

Background:

  • Most glaucomas are primary, but secondary forms necessitate systemic evaluation.
  • Associated systemic diseases can influence glaucoma progression and presentation.

Purpose of the Study:

  • To review systemic conditions associated with secondary glaucoma.
  • To emphasize the importance of systemic work-up for improved glaucoma management and early disease detection.

Main Methods:

  • Literature review of systemic conditions linked to glaucoma.
  • Analysis of how systemic diseases impact glaucoma diagnosis and treatment.

Main Results:

  • Nocturnal hypotension and sleep apnea can exacerbate glaucoma.
  • Neurologic disorders may present as normal-tension glaucoma.
  • Systemic evaluation aids in identifying serious underlying conditions.

Conclusions:

  • A focused systemic work-up is crucial for managing secondary glaucoma.
  • Identifying systemic diseases can lead to the discovery of life-threatening conditions and improve patient outcomes.