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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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Updated: Mar 17, 2026

A Magnetic Microbead Occlusion Model to Induce Ocular Hypertension-Dependent Glaucoma in Mice
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Neuroprotection in Glaucoma.

Azadeh Doozandeh1, Shahin Yazdani2

  • 1Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Journal of Ophthalmic & Vision Research
|July 15, 2016
PubMed
Summary
This summary is machine-generated.

Neuroprotection strategies aim to prevent retinal ganglion cell death in glaucoma, even with reduced eye pressure. Investigating compounds and stem cells offers potential, but requires more research for clinical use.

Keywords:
BrimonidineGinkgo Biloba ExtractGlaucomaMemantineNeuroprotectionStem Cell Transplantation

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Area of Science:

  • Ophthalmology
  • Neuroscience
  • Regenerative Medicine

Background:

  • Glaucoma causes retinal ganglion cell (RGC) loss and vision defects.
  • RGC death persists in some patients despite intraocular pressure (IOP) reduction.
  • Neuroprotection aims to prevent RGC death independently of IOP reduction.

Purpose of the Study:

  • To review current neuroprotection strategies for glaucoma.
  • To explore the potential of pharmacological agents and stem cell transplantation.
  • To highlight the need for further research and clinical validation.

Main Methods:

  • Review of preclinical and clinical studies on neuroprotective compounds.
  • Examination of stem cell transplantation as a neuroprotective approach.
  • Discussion of potential therapeutic agents including glutamate antagonists, antioxidants, and stem cell secretomes.

Main Results:

  • Various compounds show promise in preclinical glaucoma models.
  • Clinical trial results for neuroprotective agents have been inconclusive.
  • Stem cell transplantation may offer prolonged, targeted neuroprotection via secreted factors.

Conclusions:

  • Pharmacological and stem cell-based neuroprotection are promising but require more research.
  • Concerns for stem cell therapy include harmful mediators, graft survival, and tumorigenesis.
  • Multidisciplinary studies are essential to clarify the clinical role of neuroprotection in glaucoma management.