Recruiting

Rehabilitation

Sponsor:

University of Alberta

Code:

NCT06241209

Conditions

Hemianopsia

Visual Field Defect, Peripheral

Visual Impairment

Eligibility Criteria

Sex: All

Age: 18+

Healthy Volunteers: Not accepted

Interventions

PowerPoint program visual stimulation

Study Details

Brief summary:

In patients with hemianopsia following stroke or brain injury, we will determine if stimulating the visual field with images from a PowerPoint slide set can increase the visual field.

Conditions

Hemianopsia

Visual Field Defect, Peripheral

Visual Impairment

Study ID

NCT06241209

Start date

Jan 25, 2024

Status verified date

Mar, 2026

Completion date

Dec 15, 2028

Anticipated

Primary completion date

Dec 15, 2027

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 18+

Healthy Volunteers: Not accepted

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.

Study Design

Enrollment

40 participants

Anticipated

Allocation

Non randomized

Intervention Model

Crossover

Primary purpose

Treatment

Interventions and Outcome Measures

Arms

no intervention: Group 1 (online news)

Group 1 with an odd number year of birth will be asked to view 15 minutes of online news three days per week for 2 months. LIVE: Canadian News \| Weather \& Traffic - Latest Sports \| Breaking News (globalnews.ca)

active comparator: Group 2 (PowerPoint program)

Group 2 with an even number year of birth will be asked to view the 15-minute PowerPoint program three days per week for 2 months.

Interventions

PowerPoint program visual stimulation

Moving objects, food, money, and other targets will be presented in the remaining seeing, and hemianopic areas.

Primary outcome measure

  • Visual Field Index on Humphrey perimetry [ Time Frame: 2 months ]

Central Contacts and Locations

Locations

Eye Institute of Alberta, Royal Alexandra Hospital

Recruiting

Edmonton, Alberta, Canada, T5J 0N3

Contacts

Edsel Ing, MD PhD MPH

16472930155ed.ing@ualberta.ca

Rita Whitford

whitford@ualberta.ca

Principal Investigator:

Edsel Ing, MD PhD

More Information

Sponsor

University of Alberta

Last update posted

Mar 16, 2026

Last verified

Mar, 2026

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-10. This information was provided to ClinicalTrials.gov by University of Alberta on 2026-03-16.