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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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At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
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Related Experiment Video

Updated: Dec 25, 2025

Glaucoma-inducing Procedure in an In Vivo Rat Model and Whole-mount Retina Preparation
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Glaucoma is an autoimmune disease.

Orna Geyer1, Yoram Levo2

  • 1Department of Ophthalmology, The Western Galilee Hospital in Nahariya, Israel..

Autoimmunity Reviews
|April 3, 2020
PubMed
Summary
This summary is machine-generated.

Glaucoma involves retinal ganglion cell (RGC) damage. This study suggests glaucoma is an autoimmune disease, proposing rheumatoid arthritis treatments for novel, intraocular pressure-independent therapies.

Keywords:
GlaucomaHeat shock proteinsRheumatoid arthritis

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Area of Science:

  • Ophthalmology
  • Immunology
  • Neuroscience

Background:

  • Glaucoma is characterized by retinal ganglion cell (RGC) neurodegeneration, with elevated intraocular pressure (IOP) as a key risk factor.
  • Mechanisms independent of IOP contribute to RGC pathology.
  • Antibodies, CD4 T-cells, and microbiota are implicated in the pathogenesis of glaucoma and rheumatoid arthritis (RA).

Purpose of the Study:

  • To investigate the potential role of heat shock proteins (HSPs) in glaucoma pathogenesis.
  • To explore the possibility of classifying glaucoma within the spectrum of autoimmune diseases.
  • To propose novel therapeutic strategies for glaucoma based on RA treatments.

Main Methods:

  • Review of existing literature on glaucoma, RA, and HSPs.
  • Analysis of the cross-reactivity between bacterial HSPs and RGC epitopes.
  • Examination of HSP expression in retinal injury models and association with glaucoma-like neuropathology.

Main Results:

  • Bacterial HSPs can cross-react with RGC epitopes, contributing to retinal injury.
  • Enhanced retinal HSP expression is linked to glaucoma-like neuropathology.
  • HSPs have a suggested pathogenic role in both glaucoma and RA.

Conclusions:

  • Glaucoma should be considered within the spectrum of autoimmune diseases.
  • Established RA medications may offer an innovative, IOP-independent therapeutic approach for glaucoma.
  • Targeting HSPs and autoimmune pathways presents a new avenue for glaucoma treatment.