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Related Experiment Video

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

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

Published on: July 21, 2020

A novel apparatus for testing binocular function using the 'CyberDome' three-dimensional hemispherical visual display

T Handa¹, H Ishikawa, K Shimizu

¹Department of Rehabilitation, Orthoptics and Visual Science Course, School of Allied Health Sciences, Kitasato University, Kitasato, Sagamihara, Japan. thanda@kitasato-u.ac.jp

Eye (London, England)

|December 17, 2008

Summary

A new virtual reality system, CyberDome, effectively measures binocular vision functions like strabismus and stereopsis. This innovative hemispherical display shows clinical promise for accurate binocular vision testing.

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Area of Science:

Ophthalmology
Vision Science
Virtual Reality Technology

Background:

Virtual reality (VR) offers new possibilities for visual presentation and entertainment.
A novel hemispherical visual display system, named 'CyberDome', has been developed for visual function testing.

Purpose of the Study:

To evaluate the efficacy of the CyberDome system in quantitatively assessing binocular visual function.
To compare the CyberDome's results with established methods like the major amblyoscope.

Main Methods:

Forty volunteers with normal binocular vision participated.
The CyberDome system presented independent visual stimuli to each eye using polarizing glasses on a 1.4m diameter hemispherical screen.
Evaluated parameters included simultaneous perception, motor fusion amplitude, and stereopsis.

Main Results:

The CyberDome system demonstrated a significant correlation with the major amblyoscope for subjective angle of strabismus and motor fusion amplitude.
All participants successfully perceived stereoscopic targets with binocular disparity down to 480 seconds of arc.

Conclusions:

The CyberDome, a novel hemispherical visual display, can quantitatively evaluate key aspects of binocular function.
This VR-based apparatus shows significant clinical potential for diagnosing and monitoring binocular vision disorders.