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Related Concept Videos

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...
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...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...

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Related Experiment Video

Updated: May 24, 2026

Doppler Optical Coherence Tomography of Retinal Circulation
10:46

Doppler Optical Coherence Tomography of Retinal Circulation

Published on: September 18, 2012

[Optical coherence tomography (OCT) in glaucoma diagnostics].

E M Hoffmann1

  • 1Augenklinik und Poliklinik, Universitätsmedizin Mainz. ehoffman@uni-mainz.de

Klinische Monatsblatter Fur Augenheilkunde
|February 16, 2012
PubMed
Summary
This summary is machine-generated.

Spectral domain Optical Coherence Tomography (SD-OCT) offers superior high-resolution 3D imaging for detecting glaucoma. This advanced technology improves visualization and segmentation, enabling more accurate identification of optic disc and retinal nerve fiber layer changes.

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In vivo Structural Assessments of Ocular Disease in Rodent Models using Optical Coherence Tomography
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In vivo Structural Assessments of Ocular Disease in Rodent Models using Optical Coherence Tomography

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Last Updated: May 24, 2026

Doppler Optical Coherence Tomography of Retinal Circulation
10:46

Doppler Optical Coherence Tomography of Retinal Circulation

Published on: September 18, 2012

In vivo Structural Assessments of Ocular Disease in Rodent Models using Optical Coherence Tomography
07:44

In vivo Structural Assessments of Ocular Disease in Rodent Models using Optical Coherence Tomography

Published on: July 24, 2020

Area of Science:

  • Ophthalmology and biomedical imaging.

Context:

  • Optical coherence tomography (OCT) is crucial for quantitative assessment of optic disc parameters and retinal nerve fiber layer (RNFL) thickness.
  • OCT aids in detecting glaucomatous damage and monitoring disease progression.

Purpose:

  • To highlight the advantages of spectral domain OCT (SD-OCT) over time domain OCT (TD-OCT).
  • To emphasize SD-OCT's enhanced capabilities in glaucoma diagnosis.

Summary:

  • SD-OCT, also known as Fourier domain OCT (FD-OCT), provides ultra-high speed and resolution 3D retinal imaging.
  • Its higher resolution improves visualization and segmentation of retinal layers.
  • This leads to more accurate detection of subtle optic disc and RNFL changes indicative of glaucoma.

Impact:

  • SD-OCT enhances diagnostic accuracy for glaucoma.
  • It facilitates earlier and more precise identification of disease progression.
  • This technology represents a significant advancement in ophthalmic imaging for glaucoma management.