Clinical trials: Blindness
Retinopathy of Prematurity, Retinal Detachment
Efficient Study of ACULAR in Inhibiting Proliferative Retinopathy in Prematurity
The purpose of this study is to test whether ACULAR, a nonsteroidal anti-inflammatory eye drop medication, can prevent the development of retinopathy of prematurity (ROP) and/ or decrease its severity.In this study ACULAR will be…
- Conditions
- Retinopathy of Prematurity, Retinal Detachment, Blindness
- Trial name
- ROP (NCT00634972)
- Testing
- ACULAR, REFRESH TEARS
- Where
- United States
- Volunteers
- 83 people, healthy volunteers welcome
- Sponsor
- University of South Alabama
Glaucoma, Diabetic Retinopathy
Providing Financial Incentives to Improve Adherence to Referral Eye Care Visits
Glaucoma is a blinding eye disease increasingly common in older adults, particularly in African Americans, and often diagnosed late in the disease course.
- Conditions
- Glaucoma, Diabetic Retinopathy, Refractive Errors, Cataract
- Trial name
- AL-SIGHT (NCT04328207)
- Testing
- No Financial Incentive, Financial Incentive
- Where
- United States
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Blindness
Virtual Reality Mobility Training System for Veterans With Vision Loss
This is a two-year proof-of-concept study to evaluate a new Virtual Reality (VR) "holographic" sound system for use as an audiological Orientation and Mobility (O\&M) training tool
- Trial name
- NCT00333879
- Testing
- Virtual Sound System
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
Blindness, Spinal Cord Injury
Use of "Smart Wheelchairs" to Provide Independent Mobility to Visual and Mobility Impairments
The goal of this project is to evaluate the Smart Wheelchair Component System (SWCS) for power wheelchairs and the Smart Power Assistance Module (SPAM) for manual wheelchairs in realistic indoor environments with target users…
- Trial name
- NCT00333762
- Testing
- Smart Power Assistance Module (SPAM), Smart Wheelchair Component System (SWCS)
- Where
- 2 sites in United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Age Related Macular Degeneration, Retinitis Pigmentosa
Visual Activity Evoked by Infrared in Humans After Dark Adaptation
This pilot study will evaluate the visual response to infrared (IR) in humans after dark adaptation. The investigators plan to determine which wavelength and intensity the human eye is most sensitive to in healthy and color-blind…
- Conditions
- Age Related Macular Degeneration, Retinitis Pigmentosa, Congenital Stationary Night Blindness, Colorblindness
- Trial name
- NCT02909985
- Testing
- Tungsten halogen light with narrow bandpass filters
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of New Mexico
Hemianopia, Hemianopsia
Collision Warning Device for Blind and Visually Impaired
This study evaluates a novel collision warning device to help people with severe vision impairment or blindness avoid collisions with obstacles.
- Conditions
- Hemianopia, Hemianopsia, Peripheral Visual Field Defect, Blindness
- Trial name
- NCT03057496
- Testing
- Collision warning device
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Blindness
Visual Information Restoration and Rehabilitation Via Sensory Substitution Technology in Children
The BrainPort vision device is a visual prosthetic designed for those who are blind. It enables perception of visual information using the tongue and camera system as a paired substitute for the eye.
- Trial name
- NCT03002597
- Testing
- BrainPort V200 Device
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Ellen Mitchell
Sleep Disorder, Blindness
Melatonin Studies of Totally Blind Children
The purpose of this study is to learn more about abnormal body rhythms in blind boys and girls that keep them from falling asleep at bed-time or cause them difficulty staying alert during the day.
- Trial name
- NCT00795236
- Testing
- Melatonin
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Problem With Vision Blindness, Intraocular Pressure
Intraocular Pressure During Abdominal Aortic Aneurysm (AAA) Repair
The objective of this study will be to answer a clinical question that has not already been investigated; that is, what are the effects of aortic infra-renal clamping and unclamping on intraocular pressure during Abdominal Aortic…
- Conditions
- Problem With Vision Blindness, Intraocular Pressure, Ischemic Optic Neuropathy
- Trial name
- NCT00450294
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Manitoba
Advanced Dry Macular Degeneration
Alpha MSH in Ocular Disease
The purpose of this study is gain a better understanding of a molecule called alpha melanocyte stimulating hormone (alpha MSH) and its potential role in your retinal disease.
- Trial name
- NCT03451578
- Testing
- Alpha MSH assay
- Where
- United States
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Duke University
Myopia-Night Blindness
Evaluation of a Night Spectacle Correction Concerning an Improvement of Mesopic Vision Quality
Reduced quality of vision and glare in twilight or night are frequently mentioned complaints within the optometric examination. A reason for these problems could be a myopic refractive shift in dark light conditions, commonly…
- Trial name
- NCT02965534
- Testing
- Spectacle/Glasses
- Where
- 3 sites in Germany
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Applied Sciences Jena
Blindness
Emergency Egress and Information System for Persons With Vision Loss
The purpose of the research project is to develop and evaluate an emergency egress system for persons with visual impairment, which would use existing lighted exit signage to provide egress information at a distance of up to 100…
- Trial name
- NCT00262509
- Testing
- Egress Badge
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs