Status:
COMPLETED
The Perceptual Experience of Argus II Users
Lead Sponsor:
University of California, Santa Barbara
Collaborating Sponsors:
Johns Hopkins University
University of Michigan
Conditions:
Retinitis Pigmentosa
Eligibility:
All Genders
18+ years
Phase:
NA
Brief Summary
This Basic Experimental Studies Involving Humans (BESH) study investigates phosphene perception and performance factors in blind participants implanted with the Argus II retinal prosthesis system. Usi...
Detailed Description
This study focuses on two experiments involving blind participants implanted with the Argus II retinal prosthesis: Experiment 1: Paired-Electrode Phosphene Perception The study retrospectively analyz...
Eligibility Criteria
Inclusion
- Inclusion criteria:
- Subject must be at least 25 years of age;
- Subject has been implanted with the Argus II system;
- Subject's eye has healed from surgery and the surgeon has cleared the subject for programming;
- Subject has the cognitive and communication ability to participate in the study (i.e., follow spoken directions, perform tests, and give feedback);
- Subject is willing to conduct psychophysics testing up to 4-6 hours per day of testing on 3-5 consecutive days;
- Subject is capable of understanding patient information materials and giving written informed consent;
- Subject is able to walk unassisted.
- Exclusion criteria:
- Subject is unwilling or unable to travel to testing facility for at least 3 days of testing within a one-week timeframe;
- Sighted controls: Subject has a history of motion sickness or flicker vertigo
- Subject does not speak English;
- Subject has language or hearing impairment
Exclusion
Key Trial Info
Start Date :
January 11 2022
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
August 31 2023
Estimated Enrollment :
6 Patients enrolled
Trial Details
Trial ID
NCT05285618
Start Date
January 11 2022
End Date
August 31 2023
Last Update
January 1 2025
Active Locations (3)
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1
University of California, Santa Barbara
Santa Barbara, California, United States, 93106
2
Johns Hopkins University
Baltimore, Maryland, United States, 21287
3
University of Michigan, Ann Arbor
Ann Arbor, Michigan, United States, 48109