Simulated Walking With Multiplexing Prism for Field Expansion in Monocular Vision

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

ACTIVE_NOT_RECRUITING

Clinical Phase

NA

Total Enrollment

1 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-08-04

Study Completion Date

2026-10-28

Brief Summary

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The investigators are developing an assistive device, known as multiplexing prism that expands the field of view for individuals with acquired monocular vision (loss of an eye). The investigators will test the efficacy of the prism in improving the detection of colliding pedestrians during a simulated walking task.

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Detailed Description

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Conditions

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One Eye Blindness Blind Left Eye Blind Right Eye

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Individuals with Acquired Monocular Vision/ Blindness in One Eye

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

NONE

Study Groups

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Detection of colliding pedestrian

Participants will perform a simulated walking task in which surrounding pedestrians will walk towards and make a collision. Participants will respond by pressing buttons to indicate the direction of the colliding pedestrians. Participants will perform the task with and without the multiplexing prism in random orders.

Group Type EXPERIMENTAL

Multiplexing Prism

Intervention Type DEVICE

Multiplexing prism is designed for spatial vision multiplexing. It allows partial light transmission through the prism allow the observer to simultaneously see the physical world through the prism and see the "shifted view" from the non-seeing side. It is developed to expand the field of view of individuals with just one eye.

Interventions

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Multiplexing Prism

Multiplexing prism is designed for spatial vision multiplexing. It allows partial light transmission through the prism allow the observer to simultaneously see the physical world through the prism and see the "shifted view" from the non-seeing side. It is developed to expand the field of view of individuals with just one eye.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* No medical health issues such as seizures, motor movements problem
* Loss of vision in one eye (less than 20/200) for \>1 year
* Visual acuity of the seeing eye: Better than 20/32 visual acuity with correction
* No visual field defect in the seeing eye (nasal field of at least \>45degree)

Exclusion Criteria

* Patients with any physical or mental disabilities, including cognitive dysfunction, balance problems, or other deficits that could impair their ability to respond to the stimuli presented in this study will be excluded
* Any person with a history (such as pacemaker use or photosensitive epilepsy)
* Any person with motor movements problem (e.g., unable to use extremities)

Minimum Eligible Age

16 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No