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Visual Enhancement Device in Low Vision Patients — Evergaze  

Diabetic Retinopathy Clinical Trial

Official title:
Evaluation of a Head Mounted Electronic Visual Enhancement Device in Low Vision Patients

Clinical Trial Summary

This study will be a prospective, non-randomized study of low-vision individuals diagnosed with either age-related macular degeneration (AMD) or diabetic macular edema with ETDRS visual acuity from 20/60 to 20/400 in both eyes from the University of Texas - Southwestern (UTSW) Medical Center at Dallas. Specifically, the primary objective of this testing is to establish the benefits of a wide field-of-view (FOV) monocular head-mounted visual enhancement device display (HMD), aiding the most degraded eye, as compared to best corrected visual acuity with glasses. It should be noted that in this approach, the HMD incorporates a camera, mounted coaxially with the visual axis of the eye with worse vision, and also image-enhancing or correction algorithms. Following review and execution of the informed consent, each subject will undergo an examination of their eyes, including: 1) ETDRS Best-corrected distance visual acuity; 2) Best-corrected near visual acuity; 3) Tests based on questions 5,6,7 and 11 of the National Eye Institute 25-item visual function questionnaire (NEI VFQ-25).

Clinical Trial Description

A single visit, prospective, non-randomized study of low vision individuals diagnosed with Age Related Macular Degeneration or Diabetic macular edema research project is designed to last about 1.5 hours. All testing will be used for research purposes. There will be an 1) Early Treatment Diabetic Retinopathy Study visual acuity test, 2) near vision test, 3) Testing based on questions 5,6,7, and 11 of the National Eye Institute 25 item visual function questionnaire, (NEI VFQ-25) which includes a speed reading test, identifying objects, physically taking them and returning the items to correct original placement, once with glasses only, once with the head mounted visual device placed over the worst eye visually. There will also be an video tracks showing a conversation between 2 individuals - Subjects will be queried about the facial expressions of the actors during the conversation. The device is a wide field of view (FOV) monocular head-mounted visual enhancement device (HMD). The HMD has a camera mounted coaxially with the visual axis of the worse vision eye, and also image enhancing or correction algorithms. There are breaks planned between testing on the visual function exam portion of the NEI-25. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03794752
Study type Interventional
Source University of Texas Southwestern Medical Center
Contact
Status Terminated
Phase N/A
Start date February 2015
Completion date December 28, 2018
View Details
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