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

Visual Agnosia01:12

Visual Agnosia

1.4K
Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
1.4K
Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

2.3K
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
2.3K
Focusing of Light in the Eye01:16

Focusing of Light in the Eye

6.7K
Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
6.7K

You might also read

Related Articles

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

Sort by
Same author

Eye-hand coordination during a precision grasping and placement task in children with a history of amblyopia.

Vision research·2025
Same author

"We are very family like": How do relationships with colleagues affect career satisfaction for surgeons?

The surgeon : journal of the Royal Colleges of Surgeons of Edinburgh and Ireland·2024
Same author

Diagnostic utility of point-of-care ultrasound and optical coherence tomography for papilloedema in children: a prospective pilot study.

The British journal of ophthalmology·2024
Same author

Acquired myelinated retinal nerve fiber layer in a child with neurofibromatosis 1-related optic pathway glioma.

Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus·2024
Same author

Vision Beyond Vision: Lessons Learned from Amblyopia.

Journal of binocular vision and ocular motility·2023
Same author

Cost-effectiveness of Universal School- and Community-Based Vision Testing Strategies to Detect Amblyopia in Children in Ontario, Canada.

JAMA network open·2023

Related Experiment Video

Updated: Feb 28, 2026

Comparison of Three Clinical Stereoscopic Methods for Measuring Binocular Visual Function During Amblyopic Treatment in Unilateral Amblyopia
06:19

Comparison of Three Clinical Stereoscopic Methods for Measuring Binocular Visual Function During Amblyopic Treatment in Unilateral Amblyopia

Published on: September 27, 2024

597

Alterations in audiovisual simultaneity perception in amblyopia.

Michael D Richards1,2,3, Herbert C Goltz2,4, Agnes M F Wong2,3,4

  • 1Institute of Medical Science, Faculty of Medicine, University of Toronto, Toronto, Canada.

Plos One
|June 10, 2017
PubMed
Summary

Individuals with amblyopia, or "lazy eye," exhibit a delayed perception of simultaneous audiovisual stimuli. This "lazy eye" condition significantly widens the temporal window for perceiving sound and light as occurring at the same time.

More Related Videos

The Measurement and Treatment of Suppression in Amblyopia
08:34

The Measurement and Treatment of Suppression in Amblyopia

Published on: December 14, 2012

50.7K
Stereoacuity Improvement using Random-Dot Video Games
06:25

Stereoacuity Improvement using Random-Dot Video Games

Published on: January 14, 2020

15.1K

Related Experiment Videos

Last Updated: Feb 28, 2026

Comparison of Three Clinical Stereoscopic Methods for Measuring Binocular Visual Function During Amblyopic Treatment in Unilateral Amblyopia
06:19

Comparison of Three Clinical Stereoscopic Methods for Measuring Binocular Visual Function During Amblyopic Treatment in Unilateral Amblyopia

Published on: September 27, 2024

597
The Measurement and Treatment of Suppression in Amblyopia
08:34

The Measurement and Treatment of Suppression in Amblyopia

Published on: December 14, 2012

50.7K
Stereoacuity Improvement using Random-Dot Video Games
06:25

Stereoacuity Improvement using Random-Dot Video Games

Published on: January 14, 2020

15.1K

Area of Science:

  • Neuroscience
  • Ophthalmology
  • Perceptual Psychology

Background:

  • Amblyopia is a developmental visual impairment affecting higher-level perceptual and multisensory processes.
  • Understanding audiovisual (AV) integration is crucial for comprehending amblyopia's full impact.

Purpose of the Study:

  • To investigate audiovisual perceptual impairments in amblyopia by characterizing the AV simultaneity window.
  • To determine if amblyopia alters the temporal threshold for perceiving simultaneous auditory and visual stimuli.

Main Methods:

  • Adults with unilateral amblyopia (n=17) and controls (n=17) judged stimulus simultaneity.
  • Auditory and visual stimuli onset asynchrony (SOA) varied from 0 to 450 ms.
  • Monocular testing was performed on a subset of amblyopia participants (n=6).

Main Results:

  • The AV simultaneity window was significantly wider in participants with amblyopia compared to controls.
  • Auditory-lead and visual-lead sides of the window were widened by 36% and 37% respectively.
  • Window parameters were unaffected by viewing condition but varied with amblyopia severity and etiology.

Conclusions:

  • Amblyopia is associated with altered audiovisual temporal perception, indicated by a widened simultaneity window.
  • Potential mechanisms include visual temporal uncertainty and disrupted developmental tuning to AV asynchrony.
  • Findings highlight the impact of amblyopia on multisensory integration.