Jove
Visualize
Contact Us

Related Concept Videos

Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

2.7K
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.
2.7K
Vision01:24

Vision

48.5K
Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
48.5K
Anatomy of the Eyeball01:20

Anatomy of the Eyeball

8.4K
The eye is a spherical, hollow structure composed of three tissue layers. The outer layer — the fibrous tunic, comprises the sclera — a white structure — and the cornea, which is transparent. The sclera encompasses some of the ocular surface, most of which is not visible. However, the 'white of the eye' is distinctively visible in humans compared to other species. The cornea, a clear covering at the front of the eye, enables light penetration. The eye's middle...
8.4K
Focusing of Light in the Eye01:16

Focusing of Light in the Eye

6.0K
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...
6.0K
Visual System01:26

Visual System

2.3K
Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...
2.3K

You might also read

Related Articles

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

Sort by
Same author

Author Correction: Cervical transcutaneous vagal nerve stimulation (ctVNS) improves human cognitive performance under sleep deprivation stress.

Communications biology·2021
Same author

Cervical transcutaneous vagal nerve stimulation (ctVNS) improves human cognitive performance under sleep deprivation stress.

Communications biology·2021
Same author

The Effects of Anodal Transcranial Direct Current Stimulation on Sleep Time and Efficiency.

Frontiers in human neuroscience·2020
Same author

Systems factorial technology with R.

Behavior research methods·2013
Same author

Detection of vigilance performance using eye blinks.

Applied ergonomics·2013
Same author

Luminous efficiency and the measurement of daytime displays, signals, and visors.

Aviation, space, and environmental medicine·2005
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 Experiment Video

Updated: Apr 24, 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

686

Assessing the binocular advantage in aided vision.

Lawrence K Harrington1, John P McIntire, Darrel G Hopper

  • 1Ball Aerospace & Technologies Corp., Fairborn, OH, USA.

Aviation, Space, and Environmental Medicine
|September 9, 2014
PubMed
Summary
This summary is machine-generated.

Binocular head-mounted displays may offer subtle vision benefits in degraded environments. New computational methods are proposed to better quantify these advantages for improved aided vision system design.

More Related Videos

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition
07:45

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Published on: July 21, 2020

4.0K
Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
07:06

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

3.2K

Related Experiment Videos

Last Updated: Apr 24, 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

686
Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition
07:45

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

Published on: July 21, 2020

4.0K
Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
07:06

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

3.2K

Area of Science:

  • Optics and Vision Science
  • Human-Computer Interaction
  • Biomedical Engineering

Background:

  • Head-mounted displays (HMDs) offer potential for vision enhancement in degraded environments.
  • High costs associated with binocular HMDs raise questions about the value of binocularity in aided vision.
  • Previous studies suggest binocular HMDs may not justify their cost, potentially due to coarse experimental methods.

Purpose of the Study:

  • To re-evaluate the benefits of binocularity in aided vision applications.
  • To address the limitations of previous experimental approaches in measuring subtle binocular advantages.
  • To provide a framework for better decision-making in aided vision system design.

Main Methods:

  • Reviewing the characteristics of human binocular vision and head-mounted display technology.
  • Proposing four computational approaches: geometry of stereopsis, modulation transfer function area for stereopsis, probability summation, and binocular summation.
  • Developing methods to quantify the advantage of binocularity in aided vision.

Main Results:

  • Existing assessments may have underestimated the value of binocularity due to methodological limitations.
  • Computational approaches can provide a more nuanced quantification of binocular advantages.
  • Understanding human vision and HMD characteristics is crucial for accurate evaluation.

Conclusions:

  • Binocularity may offer significant, albeit subtle, benefits in aided vision applications.
  • Improved experimental and computational methods are needed to accurately measure these benefits.
  • This research aims to enable more informed design choices for future aided vision systems.