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Related Concept Videos

Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential07:11

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

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The isolated-check visual evoked potential (icVEP) method is implemented here to assess the magnocellular ON pathway that is initially damaged in glaucoma. The study shows standard operative procedures using icVEP to obtain reliable results. It is proved to serve as a useful objective diagnosing technology for the early detection of...
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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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Experimental Glaucoma Induction via Iridocorneal Angle Obstruction In a Mouse Model03:04

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In this video, an anesthetized rat undergoes an ocular procedure where magnetic beads are injected into the anterior chamber under a magnetic field to block the iridocorneal angle. This blockage obstructs the trabecular meshwork, preventing aqueous humor drainage and leading to increased intraocular pressure, damaging the retinal ganglion cells and optic nerve. This develops a glaucoma-like...
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Self-Presentation: Self-Monitoring and Self-Handicapping02:05

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People can go to great lengths to protect their self-image and present themselves in ways that they want others to see them. Sociologist Erving Goffman presented the idea that a person is like an actor on a stage. Calling his theory dramaturgy, Goffman believed that we use “impression management” to present ourselves to others as we hope to be perceived. Each situation is a new scene, and individuals perform different roles depending on who is present (Goffman, 1959). Think about...
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Esophageal perforations manifest in various clinical forms, influenced by factors such as the perforation's cause and location (cervical, intrathoracic, or intra-abdominal), the extent of contamination, and potential injury to adjacent mediastinal structures. The timing between the perforation occurrence and treatment initiation also affects the clinical presentation.
Clinical Manifestations:
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Related Experiment Video

Updated: Jan 20, 2026

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

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

Published on: May 25, 2020

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[Open-angle glaucoma clinical presentation and management].

Y Kitazawa1

  • 1Department of Ophthalmology, Gifu University School of Medicine.

Nippon Ganka Gakkai Zasshi
|January 23, 2002
PubMed
Summary
This summary is machine-generated.

Primary open-angle and normal-tension glaucoma share disease spectrums. Key prognostic factors include disk hemorrhage, intraocular pressure, and Ca(2+)-channel antagonists, guiding management for these glaucoma types.

More Related Videos

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01:27

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Related Experiment Videos

Last Updated: Jan 20, 2026

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

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Published on: May 25, 2020

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Open Angle Glaucoma: Treatment
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Area of Science:

  • Ophthalmology
  • Glaucoma Research
  • Molecular Biology

Context:

  • Primary open-angle glaucoma (POAG) and normal-tension glaucoma (NTG) are studied as a disease spectrum.
  • Analysis of 826 POAG and NTG patients provides clinical data.
  • Laboratory studies investigate molecular-level risk factors.

Purpose:

  • To determine prognostic clinical factors in POAG and NTG.
  • To define appropriate management strategies for POAG and NTG.
  • To identify molecular risk factors through immunological and gene analyses.

Summary:

  • Identified prognostic factors include disk hemorrhage, peripapillary chorioretinal atrophy (PPA), intraocular pressure (IOP), skin temperature recovery, family history, blood pressure, and Ca(2+)-channel antagonists.
  • Disk hemorrhage is more prevalent in NTG and associated with PPA and female sex, decreasing with higher IOP.
  • Retrobulbar hemodynamics differ between patient groups, and Ca(2+)-channel antagonists show favorable effects in NTG.
  • Elevated serum antigen titers to heat shock proteins (hsps) were found in POAG and NTG patients.
  • Myocilin mutation is rare in open-angle glaucoma, limiting its prognostic value.

Impact:

  • Findings aid in better understanding and managing POAG and NTG.
  • Identifies specific clinical and molecular factors for risk stratification.
  • Suggests potential therapeutic targets and interventions for glaucoma management.