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

Depth Perception and Spatial Vision01:15

Depth Perception and Spatial Vision

1.3K
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.
1.3K
Focusing of Light in the Eye01:16

Focusing of Light in the Eye

3.8K
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...
3.8K
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

You might also read

Related Articles

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

Sort by
Same author

Correction: Extrafoveal processing of happy face relies on visual awareness in hearing-impaired adults.

Psychological research·2025
Same author

Extrafoveal processing of happy face relies on visual awareness in hearing-impaired adults.

Psychological research·2025
Same author

CTFlow: Mitigating Effects of Computed Tomography Acquisition and Reconstruction with Normalizing Flows.

Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention·2024
Same author

EDICNet: An end-to-end detection and interpretable malignancy classification network for pulmonary nodules in computed tomography.

Proceedings of SPIE--the International Society for Optical Engineering·2020
Same author

Reduced loss aversion and inhibitory control in adolescents with internet gaming disorder.

Psychology of addictive behaviors : journal of the Society of Psychologists in Addictive Behaviors·2020
Same author

Greater tolerance to losses in sensation seeking: Evidence from probability and delay discounting.

Drug and alcohol dependence·2018

Related Experiment Video

Updated: Nov 10, 2025

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

4.7K

Optimal allocation of quantized human eye depth perception for multi-focal 3D display design.

Alireza Aghasi, Barmak Heshmat, Leihao Wei

    Optics Express
    |April 6, 2021
    PubMed
    Summary

    Researchers determined the optimal number of depth levels for 3D displays to saturate human perception. Approximately 1731 stereoscopic and 7 monocular depth levels are needed for immersive experiences.

    More Related Videos

    How to Build a Dichoptic Presentation System That Includes an Eye Tracker
    05:48

    How to Build a Dichoptic Presentation System That Includes an Eye Tracker

    Published on: September 6, 2017

    8.7K
    High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
    11:34

    High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

    Published on: December 3, 2013

    15.9K

    Related Experiment Videos

    Last Updated: Nov 10, 2025

    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

    4.7K
    How to Build a Dichoptic Presentation System That Includes an Eye Tracker
    05:48

    How to Build a Dichoptic Presentation System That Includes an Eye Tracker

    Published on: September 6, 2017

    8.7K
    High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
    11:34

    High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

    Published on: December 3, 2013

    15.9K

    Area of Science:

    • Optics and Photonics
    • Human-Computer Interaction
    • Visual Perception

    Background:

    • Advancements in 3D stereoscopic, autostereoscopic, and lightfield displays are central to head-mounted and lightfield display optical design.
    • A lack of consensus exists regarding the necessary quantized depth levels for these emerging displays in stereoscopic and monocular modes.

    Purpose of the Study:

    • To define and prioritize quantized depth levels that saturate human depth perception based on psychophysical theories.
    • To develop an optimization framework for globally locating depth levels in band-limited displays.

    Main Methods:

    • Utilized psychophysical theories to guide the definition of depth levels.
    • Developed a general optimization framework for band-limited displays.
    • Reformulated an intractable problem into a tractable one involving maximally covering regions with hypographs representing monocular depth of field.

    Main Results:

    • An average of 1731 stereoscopic and 7 monocular depth levels are required to saturate visual depth perception from 25 cm to infinity.
    • Optimal allocation of the first three monocular depth levels is critical for minimizing population-wide error.
    • The study details the 3D spatial profile of quantized stereoscopic and monocular depth levels.

    Conclusions:

    • The findings provide fundamental guidelines for designing optimal near-eye displays, lightfield monitors, and 3D screens.
    • Further increases in depth levels beyond the identified optima yield negligible improvements in visual perception.