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

Depth Perception and Spatial Vision

Depth Perception and Spatial Vision

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.

You might also read

Related Articles

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

Sort by

Same author

Trochlear Nerve Schwannoma: An Easily Missed Diagnosis.

Neuro-ophthalmology (Aeolus Press)·2026

Same author

Characterizing Visual Field Defects with Tangent Screen Perimetry in Organic Versus Non-Organic Pathologies.

Diagnostics (Basel, Switzerland)·2026

Same author

Myopic Progression Associated with COVID-19 Pandemic in Korean Children with Myopia Using 0.01% Atropine Eyedrops.

Life (Basel, Switzerland)·2026

Same author

Neural phase microscopy with metasurface optics for real-time and nanoscale quantitative phase imaging.

Nature communications·2026

Same author

Objective Analysis of Reading Ability Using an Eye Tracker in Intermittent Exotropia.

Life (Basel, Switzerland)·2025

Same author

Clinical Features According to the Type of Intermittent Exotropia: Korean Intermittent Exotropia Multicenter Study.

Epidemiologia (Basel, Switzerland)·2025

Search research articles

Related Experiment Video

Updated: Apr 17, 2026

Stereoacuity Improvement using Random-Dot Video Games

Stereoacuity Improvement using Random-Dot Video Games

Published on: January 14, 2020

New stereoacuity test using a 3-dimensional display system in children.

Sang Beom Han¹, Hee Kyung Yang², Jonghyun Kim³

¹Department of Ophthalmology, Kangwon National University Hospital, Kangwon National University Graduate School of Medicine, Chuncheon, Korea.

|February 19, 2015

Summary

A new three-dimensional (3D) display stereoacuity test was developed for both near and distance vision. This novel test demonstrates good concordance with established Randot stereotests in children, including those with strabismus.

More Related Videos

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

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

Published on: September 27, 2024

Author Spotlight: An Automated Method for Assessing Visual Acuity in Infants and Toddlers Using an Eye-Tracking System

Author Spotlight: An Automated Method for Assessing Visual Acuity in Infants and Toddlers Using an Eye-Tracking System

Published on: March 17, 2023

Related Experiment Videos

Last Updated: Apr 17, 2026

Stereoacuity Improvement using Random-Dot Video Games

Stereoacuity Improvement using Random-Dot Video Games

Published on: January 14, 2020

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

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

Published on: September 27, 2024

Author Spotlight: An Automated Method for Assessing Visual Acuity in Infants and Toddlers Using an Eye-Tracking System

Author Spotlight: An Automated Method for Assessing Visual Acuity in Infants and Toddlers Using an Eye-Tracking System

Published on: March 17, 2023

Area of Science:

Ophthalmology
Vision Science
Pediatric Eye Care

Background:

Existing 3D display stereoacuity tests are validated only for distance vision.
Accurate stereoacuity assessment is crucial for diagnosing and managing binocular vision disorders in children.
There is a need for a versatile 3D stereoacuity test applicable to both near and distance viewing.

Purpose of the Study:

To develop and evaluate a novel 3D display stereoacuity test for simultaneous near and distance assessment.
To compare the validity of the new 3D stereotest against standard Randot stereotests in children.
To assess the test's performance in children with and without strabismus.

Main Methods:

A new 3D stereotest was created using MATLAB on a 3D monitor with shutter glasses.
The test presented side-by-side randot images with varying disparities at near (0.5m) and distance (3m).
Results were compared with near and distance Randot stereotests using Bland-Altman analysis and concordance rates.

Main Results:

The proposed 3D stereotest showed good concordance with Randot tests (83.3% at near, 88.3% at distance).
Over 95% of subjects had concordance within 2 grades between the proposed 3D test and Randot tests at both distances.
The conventional 3D display was poorer than Randot at near, while the proposed 3D test showed similar results to Randot at distance.

Conclusions:

The newly developed 3D display stereotest is a valid tool for assessing stereoacuity in children at both near and distance.
The proposed 3D stereotest demonstrates high concordance with established Randot stereotests.
This versatile test can aid in the diagnosis and management of binocular vision issues in pediatric populations.