Clinical trials: Visual Loss
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
Night Vision Complaints, Decrease in Night Vision
The Safety and Efficacy of Phentolamine Mesylate Ophthalmic Solution in Subjects With Severe Night Vision Disturbances
The objectives of this study are: To evaluate the efficacy of phentolamine mesylate 0.5% and 1.0% ophthalmic solution (Nyxol) in the treatment of night vision complaints, including reduced contrast sensitivity To evaluate the…
- Conditions
- Night Vision Complaints, Decrease in Night Vision, Disturbance; Vision, Loss
- Trial name
- NCT01703559
- Testing
- Phentolamine Mesylate Ophthalmic Solution 1.0%, Phentolamine Mesylate Ophthalmic Solution 0.5%
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Opus Genetics, Inc
Vestibular Disorder, Hearing Loss, Sensorineural
Sensory Integration of Auditory and Visual Cues in Diverse Contexts
More than 1/3 of adults in the United States seek medical attention for vestibular disorders and hearing loss; disorders that can triple one's fall risk and have a profound effect on one's participation in activities of daily…
- Trial name
- NCT04479761
- Testing
- Visual and Auditory Cues
- Where
- 2 sites in United States
- Volunteers
- 107 people, healthy volunteers welcome
- Sponsor
- New York University
Fabry Disease
Clinical Investigation on the Blood Oxygenation at the Optic Nerve Head in Fabry Patients
This study aimed to evaluate blood oxygenation at the optic nerve head in relation with visual field losses observed in many Fabry patients. Data collected allowed to evaluate if there is a link between these two entities.
- Trial name
- NCT02023086
- Testing
- Contrast sensitivity measurement, Slit Lamp assessment and intra-ocular pressure measurement, Visual field testing
- Where
- Canada
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Université de Montréal
Rotator Cuff Tears, Hemorrhage, Surgical
Effect of Intravenous Tranexamic Acid on Visual Clarity During Shoulder Arthroscopy in the Beach Chair Position
Shoulder arthroscopy offers numerous advantages and has led to a continuous increase in procedural complexity. Adequate intraoperative visual clarity is essential for successful performance of the procedure and is primarily…
- Conditions
- Rotator Cuff Tears, Hemorrhage, Surgical, Shoulder Injuries
- Trial name
- NCT05397652
- Testing
- Tranexamic Acid Injectable Product
- Where
- Croatia
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- Nikola Matejcic
Glaucoma, Glaucoma Suspect
Philadelphia Telemedicine Glaucoma Detection and Follow-Up Study
The goal is to conduct a 5-year prospective, randomized controlled trial to test an innovative, community-based intervention using posterior and anterior fundus photography of the optic nerve and macula and intraocular eye…
- Conditions
- Glaucoma, Glaucoma Suspect, Diabetic Retinopathy, Ocular Hypertension
- Trial name
- NCT02390245
- Testing
- Free Eye Screenings, Enhanced Intervention, Usual Care
- Where
- United States
- Volunteers
- 906 people, healthy volunteers welcome
- Sponsor
- Wills Eye
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
Idiopathic Intracranial Hypertension
Idiopathic Intracranial Hypertension Treatment Trial
Idiopathic intracranial hypertension (IIH), also called pseudotumor cerebri, is a disorder of elevated intracranial pressure of unknown cause [Corbett, et al., 1982; Wall, et al., 1991].
- Trial name
- IIHTT (NCT01003639)
- Testing
- Acetazolamide, Formal weight loss counselling program
- Where
- 41 sites in United States, Canada
- Volunteers
- 165 people, healthy volunteers welcome
- Sponsor
- St. Luke's-Roosevelt Hospital Center