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Related Concept Videos

Glaucoma: Overview01:25

Glaucoma: Overview

560
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...
560
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

485
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...
485
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

440
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...
440

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Related Experiment Video

Updated: Jun 28, 2025

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
07:11

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Convolutional neural network-based classification of glaucoma using optic radiation tissue properties.

John Kruper1,2, Adam Richie-Halford3, Noah C Benson2

  • 1Department of Psychology, University of Washington, Seattle, WA, USA.

Communications Medicine
|April 11, 2024
PubMed
Summary
This summary is machine-generated.

Glaucoma, a leading cause of blindness, shows a distinct signature in the brain's optic radiations. This study used AI to identify these changes, improving our understanding of how vision loss impacts brain tissue.

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Area of Science:

  • Neuroscience
  • Ophthalmology
  • Medical Imaging

Background:

  • Sensory changes from aging or disease can affect brain tissue.
  • Glaucoma is a primary cause of blindness globally.
  • The relationship between glaucoma and brain connectivity alterations requires further investigation.

Purpose of the Study:

  • To investigate the link between glaucoma and alterations in brain connections.
  • To compare the effectiveness of analyzing visual pathways versus non-visual pathways for glaucoma classification.
  • To explore the potential of artificial intelligence in identifying glaucoma-related brain changes.

Main Methods:

  • Diffusion MRI data from 905 glaucoma patients and 5,292 healthy individuals (UK Biobank) were analyzed.
  • Convolutional neural networks (CNNs) were used to classify glaucoma based on optic radiations and non-visual brain connections.
  • Regularized linear regression models served as a control for classification performance.

Main Results:

  • CNNs analyzing optic radiations demonstrated higher accuracy in classifying glaucoma compared to those analyzing non-visual connections.
  • Regularized linear regression models showed significantly weaker classification performance.
  • The CNN model did not generalize to classifying age-group or age-related macular degeneration.

Conclusions:

  • Glaucoma exhibits a distinct, potentially non-linear signature within the tissue properties of the optic radiations.
  • These findings enhance the understanding of how glaucoma impacts brain tissue.
  • The study opens avenues for researching sensory input diseases and their effects on brain aging.