Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The impact of an educational podcast on emotional wellbeing and attitudes towards Charles Bonnet syndrome hallucinations.

Therapeutic advances in ophthalmology·2026
Same author

Location of visual field defects and their impact on vision-related quality of life in glaucoma: A systematic review.

Optometry and vision science : official publication of the American Academy of Optometry·2026
Same author

Longitudinal Visual Field and Quality-of-Life Change in the Treatment for Advanced Glaucoma Study.

Ophthalmology·2026
Same author

Archetypes of Binocular Visual Field Loss and Their Impact on Vision-Related Quality of Life in Glaucoma Patients.

Investigative ophthalmology & visual science·2026
Same author

Assessing the resilience of portable vision tests to an uncontrolled home environment.

PeerJ·2026
Same author

Keeping a PROMise: embedding patient voices in ophthalmic outcomes.

The British journal of ophthalmology·2026

Related Experiment Video

Updated: Jun 3, 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

An exploratory study of visual search performance in glaucoma.

Nicholas D Smith1, David P Crabb, David F Garway-Heath

  • 1Department of Optometry and Visual Science, City University London, London, UK.

Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)
|April 8, 2011
PubMed
Summary

Glaucoma patients with visual field defects are significantly slower at finding objects in everyday scene images compared to healthy individuals. This visual search difficulty impacts daily activities for those with glaucoma.

More Related Videos

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss
07:12

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

Published on: April 11, 2025

Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking
07:26

Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking

Published on: September 26, 2019

Related Experiment Videos

Last Updated: Jun 3, 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

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss
07:12

A Gaze-Contingent Display Framework for Perceptual Learning Research with Simulated Central Vision Loss

Published on: April 11, 2025

Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking
07:26

Characterizing the Relationship Between Eye Movement Parameters and Cognitive Functions in Non-demented Parkinson's Disease Patients with Eye Tracking

Published on: September 26, 2019

Area of Science:

  • Ophthalmology
  • Visual Neuroscience
  • Human Factors Engineering

Background:

  • Visual search is crucial for daily tasks.
  • Glaucoma is a leading cause of irreversible blindness.
  • Assessing functional vision in glaucoma patients is important.

Purpose of the Study:

  • To compare visual search speed in glaucoma patients versus age-matched healthy controls.
  • To investigate object localization abilities in computer-displayed images.

Main Methods:

  • Recruited 20 glaucoma patients and 20 healthy controls (visual acuity ≥ 6/12).
  • Participants searched for targets in computer-displayed Landolt C symbols and everyday scene photographs.
  • Recorded and compared average search times between the two groups.

Main Results:

  • Glaucoma patients exhibited significant binocular contrast sensitivity and visual acuity deficits.
  • Patients were significantly slower (median 15.2s vs 10.0s) in searching for items in everyday scenes.
  • No significant difference in search times was found for the Landolt C task.

Conclusions:

  • Glaucoma patients with bilateral visual field defects experience greater difficulty locating objects in complex scenes.
  • Visual search impairment in everyday scenes may affect daily functioning for glaucoma individuals.
  • The findings highlight the functional impact of glaucoma beyond basic visual acuity.