Reminder-cue Scanning Training for Homonymous Visual Field Loss

NCT ID: NCT06136169

Last Updated: 2025-08-11

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-05-14

Study Completion Date

2026-05-31

Brief Summary

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This study will evaluate a new approach to training people with visual field loss to scan when driving

Detailed Description

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Homonymous visual field loss is the loss of vision on the same side in both eyes. The most common types are hemianopia (the loss of one half of the field of vision) and quadrantanopia (the loss of one quarter of the field of vision). Hemianopia and quadrantanopia may cause difficulties in seeing objects on the side of the field loss. People with these types of field loss can compensate by scanning (looking) toward the side of the field loss. However, sometimes they might not scan sufficiently well resulting in delayed responses to hazards when driving. The purpose of this research study is to evaluate a new approach, "reminder-cue scanning training", to training people with homonymous visual field loss to scan when driving.

Participants will receive reminder-cue scanning training in the driving simulator.Typically there will be three training sessions within about a 2-week period. In addition, participants will complete an evaluation in the driving simulator before and after the training.

Conditions

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Homonymous Hemianopia Homonymous Quadrantanopia

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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StudyArm

Participants will receive reminder-cue scanning training in a driving simulator.

Group Type EXPERIMENTAL

Reminder-cue scanning training

Intervention Type BEHAVIORAL

Auditory reminders to scan when scanning to the side of the field loss is inadequate

Interventions

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Reminder-cue scanning training

Auditory reminders to scan when scanning to the side of the field loss is inadequate

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Homonymous hemianopia or homonymous quadrantanopia for at least 3 months
* Binocular visual acuity of at least 20/40
* Prior or current driving experience
* Able to attend multiple study visits
* Able to communicate in English sufficiently to understand the study procedures

Exclusion Criteria

* Physical or general health problems that could impair the ability to operate the controls of the driving simulator or participate in the training
Minimum Eligible Age

16 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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National Eye Institute (NEI)

NIH

Sponsor Role collaborator

Massachusetts Eye and Ear Infirmary

OTHER

Sponsor Role lead

Responsible Party

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Alexandra Bowers

Associate Scientist

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Alex Bowers, PhD

Role: PRINCIPAL_INVESTIGATOR

Schepens Eye Research Institute of Mass Eye and Ear

Locations

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Schepens Eye Research Institute of Mass Eye and Ear

Boston, Massachusetts, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Alex Bowers, PhD

Role: CONTACT

617 912 2512

Facility Contacts

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Alex Bowers, PhD

Role: primary

617-912-2512

Other Identifiers

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R01EY025677

Identifier Type: NIH

Identifier Source: secondary_id

View Link

HST_Pilot

Identifier Type: -

Identifier Source: org_study_id

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