Visual Enhancement Device in Low Vision Patients

Status Terminated

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

Diabetic Retinopathy
Macular Degeneration
Macular Degeneration, Age-Related
Vision, Low

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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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Visual Enhancement Device in Low Vision Patients — Evergaze

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms