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Related Concept Videos

Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

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...
Glaucoma: Overview01:25

Glaucoma: Overview

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...
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

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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Related Experiment Video

Updated: May 11, 2026

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia
06:15

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia

Published on: August 9, 2024

Anterior segment imaging in glaucoma.

Sarwat Salim1, Syril Dorairaj

  • 1Glaucoma Service, Hamilton Eye Institute, University of Tennessee Health Science Center, Memphis, TN, USA. ssalim@uthsc.edu

Seminars in Ophthalmology
|May 24, 2013
PubMed
Summary
This summary is machine-generated.

Anterior segment imaging, including OCT and ultrasound biomicroscopy, objectively assesses the eye's anterior chamber angle. These techniques aid in diagnosing and managing glaucoma by analyzing angle structures.

Related Experiment Videos

Last Updated: May 11, 2026

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia
06:15

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia

Published on: August 9, 2024

Area of Science:

  • Ophthalmology
  • Medical Imaging

Background:

  • Accurate assessment of the anterior segment, especially the anterior chamber angle, is crucial for diagnosing and managing glaucoma.
  • Glaucoma encompasses various mechanisms, including open-angle and closed-angle types, necessitating precise diagnostic tools.

Purpose of the Study:

  • To review anterior segment imaging technologies for glaucoma assessment.
  • To compare anterior segment optical coherence tomography (AS-OCT) and ultrasound biomicroscopy (UBM) in glaucoma.
  • To discuss technological principles, devices, and clinical applications.

Main Methods:

  • Review of scientific literature on anterior segment imaging in glaucoma.
  • Focus on optical coherence tomography (OCT) and ultrasound biomicroscopy (UBM).
  • Analysis of qualitative and quantitative imaging capabilities.

Main Results:

  • AS-OCT and UBM provide objective, quantitative, and qualitative assessments of the anterior chamber angle.
  • Both technologies offer insights into open-angle and closed-angle glaucoma mechanisms.
  • Commercial devices and clinical applications are detailed, alongside technology-specific pros and cons.

Conclusions:

  • Anterior segment imaging, particularly AS-OCT and UBM, is vital for comprehensive glaucoma evaluation.
  • Understanding the advantages and disadvantages of each modality optimizes clinical decision-making in glaucoma management.
  • Objective imaging enhances the detection and monitoring of glaucomatous changes.