VR training aims to restore lost vision
NCT ID NCT07809243
First seen Sep 09, 2026 · Last updated Sep 10, 2026 · Updated 1 time
Summary
Researchers are testing a virtual reality-based perceptual learning therapy for people with visual field defects. The trial will enroll 20 participants and randomly assign them to either the VR training group or a no-intervention control group. The VR training uses personalized tasks that target the transition zone of each participant's visual field, with difficulty adjusted by a machine learning algorithm. The main goal is to see if this training improves visual field area, with secondary checks on visual search, balance, fear of falling, daily activities, and quality of life.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Virtual reality-based perceptual learning training
- What this could lead to
- If it works, this could offer a home-friendly, personalized vision rehabilitation tool for people with visual field loss. It may also help improve daily activities like walking and reading.
- What could go wrong
- This is a small, early-stage trial with only 20 participants, so results may not apply to everyone. The training may not produce lasting visual field improvements, and some people may find the VR tasks uncomfortable.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 20 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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Jan 2029
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Humphrey visual field analyzer (HFA) visual field loss (mean deviation of ≤-6 dB) Exclusion Criteria: * Comprehension disorder that does not allow understanding of tests or training (e.g., in severe aphasia) * Currently under other PL treatment
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Units 901-903, 9/F, Building 17W, 17 Science Park West Avenue, Hong Kong Science Park, Pak Shek Kok, Shatin
Hong Kong, Hong Kong