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Related Concept Videos

Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

459
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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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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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: Jul 12, 2025

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
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Corneal Biomechanical Measures for Glaucoma: A Clinical Approach.

Abdelrahman M Elhusseiny1,2, Giuliano Scarcelli3,4, Osamah J Saeedi3,4

  • 1Department of Ophthalmology, Harvey and Bernice Jones Eye Institute, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA.

Bioengineering (Basel, Switzerland)
|October 28, 2023
PubMed
Summary

Assessing corneal biomechanics offers insights into glaucoma. Current methods show weak agreement, necessitating standardized approaches for better diagnosis and management of this eye disease.

Keywords:
BrillouinCorvis STcorneal biomechanicscorneal hysteresisglaucomaocular biomechanicsocular response analyzer

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Area of Science:

  • Ophthalmology
  • Biomedical Engineering
  • Corneal Science

Background:

  • Corneal biomechanics assessment is increasingly important for understanding diseases like keratoconus and glaucoma.
  • The cornea and sclera share structural continuity, making corneal biomechanics evaluation relevant for glaucoma insights.
  • Baseline corneal biomechanics evaluation is recommended for glaucoma patients and suspects.

Purpose of the Study:

  • To review current evidence on corneal biomechanics in glaucoma.
  • To identify limitations in existing research on corneal biomechanics and glaucoma.
  • To provide insights for future studies to address these limitations.

Main Methods:

  • Literature review of recent studies on corneal biomechanics in glaucoma.
  • Analysis of commercially available devices for corneal biomechanics assessment (Ocular Response Analyzer, Corneal Visualization Schiempflug Technology).
  • Identification of confounding factors and limitations in current research.

Main Results:

  • Two main devices exist for corneal biomechanics, but report different parameters with weak to moderate agreement.
  • Studies are limited by patient factors (e.g., prostaglandin analogue use) and confounding variables (intraocular pressure).
  • Existing literature shows variability and limitations impacting reliable interpretation.

Conclusions:

  • Corneal biomechanics is a promising area for glaucoma research, diagnosis, and management.
  • Standardization of measurement techniques and patient stratification is crucial for future studies.
  • Addressing current limitations will enhance the clinical utility of corneal biomechanics in glaucoma care.