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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

973
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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Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

752
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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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...
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Related Experiment Video

Updated: Oct 16, 2025

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
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[Current trends in studying pathogenesis of glaucoma].

V P Erichev1, G K Khachatryan1, O V Khomchik1

  • 1Research Institute of Eye Diseases, Moscow, Russia.

Vestnik Oftalmologii
|October 20, 2021
PubMed
Summary

Glaucoma, a leading cause of irreversible blindness, involves complex neurodegeneration. Further research into understudied areas like neuroinflammation and genetic factors is crucial for understanding glaucoma pathogenesis.

Keywords:
glaucomaglaucomatous optic neuropathypathogenesis

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Area of Science:

  • Ophthalmology
  • Neuroscience

Background:

  • Glaucoma is a major cause of irreversible blindness globally.
  • Current understanding includes intraocular pressure (IOP) effects, retinal ischemia, and neuronal death mechanisms.
  • Existing treatments focus on lowering IOP, and diagnosis relies on detecting structural and functional retinal defects.

Purpose of the Study:

  • To review promising research directions in the pathogenesis of glaucomatous optic neuropathy.
  • To highlight understudied aspects of glaucoma development.

Main Methods:

  • Literature review of current research on glaucoma pathogenesis.
  • Analysis of emerging factors influencing glaucomatous optic neuropathy.

Main Results:

  • Identified key understudied areas: neuroinflammation, translaminar pressure, genetic factors, brain changes, and mitochondrial pathologies.
  • Emphasized the need for expanded research beyond established factors like IOP.

Conclusions:

  • Further investigation into neuroinflammation, genetics, and other emerging factors is essential for a comprehensive understanding of glaucoma.
  • Advancing research in these areas may lead to novel diagnostic and therapeutic strategies for glaucoma.