# Environmental Localization Mapping and Guidance for Visual Prosthesis Users

> **NCT04359108** · NA · COMPLETED · sponsor: **Johns Hopkins University** · enrollment: 26 (actual)

## Conditions studied

- Retinitis Pigmentosa
- Visual Impairment
- Visual Prosthesis

## Interventions

- **DEVICE:** Navigation system mode: Argus Vision
- **DEVICE:** Navigation system mode: Depth Vision
- **DEVICE:** Navigation system mode: Depth Vision with Haptic / Audio
- **DEVICE:** Navigation system mode: Haptic / Audio
- **DEVICE:** Navigation system mode: High Field-of-View Depth Vision
- **DEVICE:** Distance test vision mode: Low Resolution / Low Field-of-View
- **DEVICE:** Distance test vision mode: Low Resolution / High Field-of-View
- **DEVICE:** Distance test vision mode: High Resolution / Low Field-of-View
- **DEVICE:** Distance test vision mode: High Resolution / High Field-of-View

## Key facts

- **NCT ID:** NCT04359108
- **Lead sponsor:** Johns Hopkins University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-03-16
- **Primary completion:** 2024-09-30
- **Final completion:** 2024-09-30
- **Target enrollment:** 26 (ACTUAL)
- **Last updated:** 2025-03-10

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04359108

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04359108, "Environmental Localization Mapping and Guidance for Visual Prosthesis Users". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT04359108. Licensed CC0.

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