Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Angle Closure Glaucoma: Treatment

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...

Open Angle Glaucoma: Treatment

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...

Glaucoma: Overview

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...

You might also read

Related Articles

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

Sort by

Same author

Attention to text and pictures during storybook reading in preschool children with moderate hyperopia.

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

Same author

Predictive Gaze Shifts and Gaze Tracking with Coincidence-Anticipation Timing Responses.

Clinical optometry·2026

Same author

Ball-Flight Viewing Duration and Estimates of Passing Height in Baseball.

Vision (Basel, Switzerland)·2025

Same author

Test-Retest Reliability and Reliable Change Estimates for Sensorimotor Concussion Assessments in Healthy Young Adults.

Journal of sport rehabilitation·2025

Same author

Detection of significant vision conditions in children using QuickSee wavefront autorefractor.

Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists)·2024

Same author

Normative Performance Profiles of College Aged Esport Athletes in a Pilot Study.

International journal of esports·2024

Same journal

New trends in early diagnosis of hydroxychloroquine toxic retinopathy.

Optometry (St. Louis, Mo.)·2012

Same journal

Current status on the development and treatment of myopia.

Optometry (St. Louis, Mo.)·2012

Same journal

Normalization of retinal nerve fiber layer with stratus optical coherence tomography after bilateral diabetic papillopathy.

Optometry (St. Louis, Mo.)·2012

Same journal

Central corneal thickness measurements obtained with anterior segment spectral domain optical coherence tomography compared to ultrasound pachymetry in healthy subjects.

Optometry (St. Louis, Mo.)·2012

Same journal

Ocular contusion with microhyphema and commotio retinae.

Optometry (St. Louis, Mo.)·2012

Same journal

A novel approach to health care?

Optometry (St. Louis, Mo.)·2012

See all related articles

Search research articles

Related Experiment Video

Updated: Jun 10, 2026

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

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

Published on: April 11, 2025

Vergence adaptation in clinical vergence testing.

Catherine McDaniel¹, Nick Fogt

¹University of Houston College of Optometry, Houston, Texas 77204-2020, USA. cmcdaniel@optometry.uh.edu

Optometry (St. Louis, Mo.)

|July 27, 2010

Summary

This summary is machine-generated.

Vergence adaptation occurs after testing, shifting near phoria. This adaptation, an esophoric shift, correlated with break vergence range but not blur vergence range or vergence facility.

More Related Videos

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

Published on: March 3, 2023

Related Experiment Videos

Last Updated: Jun 10, 2026

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

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

Published on: April 11, 2025

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

Quantification of Oculomotor Responses and Accommodation Through Instrumentation and Analysis Toolboxes

Published on: March 3, 2023

Area of Science:

Ophthalmology
Optometry
Vision Science

Background:

Vergence is a key binocular vision function.
Understanding vergence adaptation is crucial for diagnosing and treating visual disorders.

Purpose of the Study:

To investigate vergence adaptation following vergence range and vergence facility testing.
To determine if vergence adaptation correlates with the outcomes of these tests.

Main Methods:

Thirty subjects underwent three separate testing sessions.
Tests included base-out prism bar vergences, vergence facility using prism flippers, and sustained base-out prism viewing.
Near phoria was measured before and after each test using the modified Thorington method.

Main Results:

Significant vergence adaptation, an esophoric shift of approximately 3 prism diopters, was observed in all testing conditions.
No correlation was found between vergence facility and vergence ranges (blur or break).
Vergence adaptation amplitude correlated significantly with the break vergence range but not the blur vergence range or vergence facility.

Conclusions:

Vergence adaptation does not appear to explain the lack of correlation between blur vergence range and vergence facility.
Vergence adaptation may partially explain the lack of correlation between break vergence range and vergence facility.