Brain zap tweak may help Parkinson's patients see clearly

NCT ID NCT05400499

Recruiting now Knowledge-focused Sponsor: VA Office of Research and Development Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at how deep brain stimulation (DBS) affects the ability to align and focus both eyes on objects at different depths in people with Parkinson's disease. Researchers will use eye-tracking and brain models to find the best stimulation settings. The goal is to improve vision without reducing the motor benefits of DBS. The study involves 40 participants who already have DBS implants.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: deep brain stimulation
What this could lead to: If successful, this could help doctors adjust deep brain stimulation settings to improve eye coordination and vision in people with Parkinson's disease.
What could go wrong: This is a small, early-stage study focused on understanding how stimulation affects vision, not on proving a new treatment. It may not lead to immediate clinical changes.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Parkinson disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

PARKINSON'S DISEASE

Contacts and locations

Locations

Louis Stokes VA Medical Center, Cleveland, OH
RECRUITING

Cleveland, Ohio, 44106-1702, United States

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