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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

538
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...
538
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

427
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...
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Glial Cells01:04

Glial Cells

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Overview
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Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

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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...
470

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Related Experiment Video

Updated: Jun 21, 2025

In Vivo Dynamics of Retinal Microglial Activation During Neurodegeneration: Confocal Ophthalmoscopic Imaging and Cell Morphometry in Mouse Glaucoma
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Glial metabolic alterations during glaucoma pathogenesis.

Anne Rombaut1, Rune Brautaset1, Pete A Williams1

  • 1Department of Clinical Neuroscience, Division of Eye and Vision, St. Erik Eye Hospital, Karolinska Institutet, Stockholm, Sweden.

Frontiers in Ophthalmology
|July 10, 2024
PubMed
Summary
This summary is machine-generated.

Glaucoma involves widespread metabolic dysfunction, not just in retinal cells. Glial cell metabolism is a newly explored area that may offer novel therapeutic targets for this irreversible blindness.

Keywords:
Müller cellsastrocytesglaucomagliametabolismmicroglia

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Area of Science:

  • Ophthalmology
  • Neuroscience
  • Metabolic disease

Background:

  • Glaucoma is a leading cause of irreversible blindness with limited treatments.
  • Metabolic dysfunction is increasingly recognized as a key factor in glaucoma.
  • Current research often focuses on retinal ganglion cells, overlooking broader metabolic impacts.

Purpose of the Study:

  • To explore the role of glial cell metabolism in glaucoma pathophysiology.
  • To investigate how glial metabolic alterations affect retinal ganglion cells.
  • To identify potential shared therapeutic targets between glaucoma and other neurodegenerative diseases.

Main Methods:

  • Review of pre-clinical and clinical evidence on metabolic alterations in glaucoma.
  • Analysis of metabolic changes across various ocular and systemic tissues.
  • Examination of neuro-glial metabolic coupling in the context of glaucoma.

Main Results:

  • Metabolic dysfunction in glaucoma is widespread, affecting multiple tissues and fluids.
  • Glial cells exhibit metabolic alterations in glaucoma, impacting neuro-glial support.
  • Evidence suggests glial metabolic dysfunction contributes to retinal ganglion cell vulnerability.

Conclusions:

  • Glial metabolic alterations are a significant, underexplored aspect of glaucoma.
  • Targeting glial metabolism may offer new therapeutic strategies for glaucoma.
  • Shared metabolic mechanisms with other neurodegenerative diseases suggest broader treatment possibilities.