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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

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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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Open Angle Glaucoma: Treatment01:27

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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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Angle Closure Glaucoma: Treatment01:28

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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: Apr 20, 2026

Retinal and Choroidal Thickness Changes in Populations with Helicobacter pylori Infection by Swept-Source Optical Coherence Tomography
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Choroidal Thickness in Open-angle Glaucoma.

Jost B Jonas1, Philippe Steinmetz, Tessa M Forster

  • 1Department of Ophthalmology, Medical Faculty Mannheim of the Ruprecht-Karls-University, Heidelberg, Germany.

Journal of Glaucoma
|November 22, 2014
PubMed
Summary
This summary is machine-generated.

Open-angle glaucoma did not show significant differences in choroidal thickness compared to controls. This study found no association between glaucoma and changes in the choroid

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Area of Science:

  • Ophthalmology
  • Glaucoma Research
  • Choroidal Imaging

Background:

  • Open-angle glaucoma is a leading cause of irreversible blindness.
  • Choroidal thinning has been suggested as a potential biomarker in glaucoma.
  • Understanding choroidal changes is crucial for glaucoma diagnosis and management.

Purpose of the Study:

  • To investigate choroidal thickness variations in patients with open-angle glaucoma.
  • To determine if choroidal thickness is associated with open-angle glaucoma diagnosis.

Main Methods:

  • A case series study comparing open-angle glaucoma patients with a control group.
  • Choroidal thickness was measured using enhanced depth imaging spectral domain optical coherence tomography.
  • Statistical analyses included multivariable and binary regression, adjusting for age and refractive error.

Main Results:

  • No significant differences in choroidal thickness were observed between the glaucoma and control groups at various macular locations.
  • Multivariable analysis revealed no significant association between glaucoma diagnosis and choroidal thickness.
  • Binary regression confirmed no significant link between glaucoma and subfoveal or parafoveal choroidal thickness.

Conclusions:

  • Open-angle glaucoma is not significantly associated with marked choroidal thinning or thickening in the foveal and parafoveal regions.
  • Choroidal thickness does not appear to be a reliable indicator for open-angle glaucoma in this cohort.
  • Further research may explore other ocular parameters in relation to glaucoma.