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Related Experiment Video

Updated: Oct 19, 2025

Stereoacuity Improvement using Random-Dot Video Games

Stereoacuity Improvement using Random-Dot Video Games

Published on: January 14, 2020

Stereoscopic Visual Perceptual Learning in Seniors.

Sabine Erbes¹, Georg Michelson²

¹Department of Ophthalmology, Schwabachanlage 6, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany.

Geriatrics (Basel, Switzerland)

|September 25, 2021

Summary

Vision training significantly improves stereoscopic ability and reaction time in seniors. These gains in stereoacuity are long-lasting, even after a period without training, indicating brain plasticity in older adults.

Keywords:

ageing binocular disparity learning effect neuroplasticity/cortical plasticity oldest old/highest aged patients stereopsis targeted visual stimulation visual perceptual learning visual performance

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Last Updated: Oct 19, 2025

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Published on: January 14, 2020

Measuring Sensitivity to Viewpoint Change with and without Stereoscopic Cues

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Published on: April 11, 2025

Area of Science:

Gerontology
Neuroscience
Ophthalmology

Background:

Stereoscopic vision and reaction time can be improved in seniors through repetitive training.
These training-induced improvements demonstrate persistence over extended periods without practice.

Purpose of the Study:

To evaluate the long-term effects of dynamic stereoscopic training on visual performance in elderly individuals.
To assess the persistence of improvements in stereoacuity and reaction time after a training cessation period.

Main Methods:

Eleven seniors (average age 85.9) underwent 6 weeks of twice-weekly dynamic stereoscopic training using a specialized apparatus.
Participants identified stereoscopic stimuli with varying disparities. Stereoacuity and reaction times were measured before and after training using static tests.

Main Results:

Median reaction time improved from 936 to 511 arcsec after 6 weeks of training.
Stereoscopic vision improved by two difficulty levels, from 138 to 69 arcsec.
Improvements remained stable 6 months post-training.

Conclusions:

Visual training induces significant and lasting improvements in stereoscopic vision and reaction time in older adults.
The findings suggest significant cortical plasticity persists even in advanced age.
Stereoscopic training offers a viable method for enhancing visual function in the elderly.