NCT05397873 Biofeedback for Hemianopia Vision Rehabilitation
| NCT ID | NCT05397873 |
| Status | Recruiting |
| Phase | — |
| Sponsor | University Health Network, Toronto |
| Condition | Hemianopsia, Homonymous |
| Study Type | INTERVENTIONAL |
| Enrollment | 32 participants |
| Start Date | 2021-12-01 |
| Primary Completion | 2026-04-29 |
Eligibility & Interventions
Eligibility Fast-Check
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What to Expect as a Participant
You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.
This trial targets 32 participants in total. It began in 2021-12-01 with a primary completion date of 2026-04-29.
⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.
Brief Summary
Patients with brain injury secondary to stroke, surgery, or trauma frequently suffer from homonymous hemianopia, defined as vision loss in one hemifield secondary to retro- chiasmal lesion. Classic and effective saccadic compensatory training therapies are current aim to reorganize the control of visual information processing and eye movements or, in other words, to induce or improve oculomotor adaptation to visual field loss. Patients learn to intentionally shift their eyes and, thus, their visual field border, into the area corresponding to their blind visual field. This shift brings the visual information from the blind hemifield into the seeing hemifield for further processing. Patients learn, therefore, to efficiently use their eyes "to keep the 'blind side' in sight". Biofeedback training (BT) is the latest and newest technique for oculomotor control training in cases with low vision when using available modules in the new microperimetry instruments. Studies in the literature highlighted positive benefits from using BT in a variety of central vision loss, nystagmus cases, and others.The purpose of this study is to assess systematically the impact of BT in a series of cases with hemianopia and formulate guidelines for further use of this intervention in vision rehabilitation of hemianopia cases in general.
Eligibility Criteria
Inclusion Criteria: * hemianopia cases previously diagnosed accordingly by microperimetry and other tests as needed * 18-90 years old * ability to follow the visual and auditory stimuli and training instructions Exclusion Criteria: * previous or current treatment for low vision rehabilitation * ocular diseases * other serious clinical conditions not related to the hemianopia physiopathology * both eyes with media opacity that impairs microperimetry testing * lack of ability to perform the tests and training
Frequently Asked Questions
Who can join the NCT05397873 clinical trial?
This trial is open to participants of all sexes, aged 18 Years or older, up to 90 Years, studying Hemianopsia, Homonymous. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.
Is NCT05397873 currently recruiting?
Yes, NCT05397873 is actively recruiting participants. Visit ClinicalTrials.gov or contact University Health Network, Toronto to inquire about joining.
Where is the NCT05397873 trial being conducted?
This trial is being conducted at Toronto, Canada.
Who is sponsoring the NCT05397873 clinical trial?
NCT05397873 is sponsored by University Health Network, Toronto. The trial plans to enroll 32 participants.