Improving vision in stroke or brain injury patients with hemianopsia

Hemianopsia Rehabilitation After Stroke or Brain Injury

Not applicable Interventional University of Alberta · NCT06241209

This study is testing if using a special PowerPoint slide set can help people with vision loss from stroke or brain injury see better.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment40 (estimated)
Ages18 Years and up
SexAll
SponsorUniversity of Alberta Academic / other
Locations1 site (Edmonton, Alberta)
Trial IDNCT06241209 on ClinicalTrials.gov

What this trial studies

This study aims to evaluate the effectiveness of visual stimulation using a PowerPoint slide set to enhance peripheral vision in patients suffering from hemianopsia due to stroke or brain injury. The research will involve a prospective design where eligible patients will undergo visual field testing and receive computer screen visual stimulation. The study will collect various patient data, including demographics and medical history, to assess the potential recovery of visual fields. The hypothesis is based on the possibility of axonal sprouting or re-routing in the brain following injury.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older with homonymous hemianopsia or quadrantopsia who can provide informed consent and communicate in English.

Not a fit: Patients with a history of light-induced seizures may not benefit from this study due to the potential risk of triggering seizures.

Why it matters

Potential benefit: If successful, this approach could significantly improve the quality of life for patients with visual field deficits following a stroke or brain injury.

How similar studies have performed: There is clinical equipoise regarding the effectiveness of visual stimulation therapies, with mixed results reported in previous studies.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

All patients 18 years of age or older with a homonymous hemianopsia or quadrantopsia, who can provide informed consent, and communicate in English.

Exclusion Criteria:

* The flashing lights from thge automated perimeter and PowerPoint program can potentially trigger photic seizures. Therefore patients with light-induced seizures are excluded.

Where this trial is running

Edmonton, Alberta

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions HemianopsiaVisual Field Defect, PeripheralVisual Impairment
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.