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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

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...
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

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.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

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...
Diabetic Retinopathy01:27

Diabetic Retinopathy

DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...

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Related Experiment Video

Updated: Jun 25, 2026

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
07:11

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential

Published on: May 25, 2020

[Vascular risk factors in glaucoma - diagnostics].

K Gugleta1

  • 1Augenklinik, Universitätsspital Basel, Basel. gugletak@uhbs.ch

Praxis
|February 19, 2009
PubMed
Summary
This summary is machine-generated.

Intraocular pressure reduction slows glaucoma progression, but other vascular factors like low blood pressure also contribute to optic nerve damage. Understanding these vascular risks is key to personalized glaucoma treatment.

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Last Updated: Jun 25, 2026

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
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Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
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Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents

Published on: February 15, 2022

Area of Science:

  • Ophthalmology
  • Vascular Biology
  • Glaucoma Research

Context:

  • Glaucoma is a leading cause of irreversible blindness.
  • Increased intraocular pressure (IOP) is a primary risk factor, but not the sole determinant of glaucomatous damage.
  • Other factors, particularly vascular issues, significantly influence disease progression.

Purpose:

  • To highlight the role of vascular factors beyond intraocular pressure in glaucoma.
  • To emphasize the need for assessing vascular risk profiles in glaucoma patients.
  • To underscore the importance of personalized therapy in managing glaucoma.

Summary:

  • While lowering intraocular pressure (IOP) is a standard glaucoma treatment, it only partially halts disease progression.
  • Reduced ocular perfusion pressure, especially nocturnal hypotension, and vascular dysregulation are critical contributing factors.
  • These vascular elements, combined with fluctuating IOP, induce oxidative stress and reperfusion injury, leading to axonal loss and optic nerve cupping.

Impact:

  • Identifying and managing vascular risk factors can lead to more effective, individualized glaucoma treatment strategies.
  • This approach may help to further slow or arrest the progression of glaucomatous damage.
  • A comprehensive understanding of both IOP and vascular health is crucial for preserving vision in glaucoma patients.