Clinical trials: Visual Loss
Vision Loss Partial, Vision; Loss, Both Eyes
Understanding Visual Processing After Occipital Stroke
The purpose of this study is to investigate how visual orientation discrimination and metacognition (i.e., perceptual confidence) are affected by occipital stroke that causes hemianopia and quadrantanopia in adults.
- Conditions
- Vision Loss Partial, Vision; Loss, Both Eyes, Hemianopia, Homonymous, Hemianopia
- Trial name
- NCT06352086
- Sponsor
- University of Rochester
Brain Injuries, Visually Impaired Persons
Functional Vision in TBI
The objective of this study is to test functional vision outcome measures that reflect the loss in everyday life tasks that require vision and that are sensitive to changes after a course of vision rehabilitation in…
- Trial name
- NCT01214070
- Testing
- Vision Restoration Therapy, NVT Eye Scanning Therapy, Eccentric Viewing Training
- Where
- United States
- Volunteers
- 110 people
- Sponsor
- VA Office of Research and Development
Retinal Vein Occlusion
Vascular Endothelial Growth Factor (VEGF) Levels in Retinal Vein Occlusion (RVO) During Anti-VEGF Treatment
The purpose of this study is to treat patients with retinal vein occlusion with standard of care anti-vascular endothelial growth factor therapy and to correlate levels of vascular endothelial growth factor in the anterior…
- Trial name
- NCT04707625
- Testing
- Aflibercept Ophthalmic
- Where
- United States
- Volunteers
- 17 people
- Sponsor
- Wake Forest University Health Sciences
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
Age-related Macular Degeneration
Visual Remapping to Aid Reading With Field Loss
Reading performance in patients with Central Vision Loss and age matched controls with artificial scotomas will be measured with and without different kinds of remapping of missing text to different parts of the visual field.
- Trial name
- NCT03848663
- Testing
- Traditional Remapping, Personalized Remapping
- Where
- United States
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Visual Field Defect, Stroke
Home-based Vision Rehabilitation Guided by Brain Imaging
The BRIGHT (Behavioral Rehabilitation Through Image-Guided Home-based Training) study aims to evaluate the effectiveness of image-guided, home-based perceptual training at improving visual performance in individuals with visual…
- Conditions
- Visual Field Defect, Stroke, Hemianopia Homonymous, Quadrantanopia
- Trial name
- BRIGHT (NCT07635329)
- Testing
- High-level perceptual learning-based training, Low-level perceptual learning-based training
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Georgetown University
Vision Loss Partial, Hemianopia
Effect of Visual Retraining on Visual Loss Following Visual Cortical Damage
This project is intended to collect data using standard clinical tests and psychophysics to quantify the effect of visual cortical damage on the structure of the residual visual system, visual perception, spatial awareness, and…
- Conditions
- Vision Loss Partial, Hemianopia, Hemianopia Homonymous, Quadrantanopia
- Trial name
- NCT05098236
- Testing
- Training in the Blind Field, Training in the Sighted Field
- Where
- United States
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Mobility, Depressive Symptoms
Effectiveness of AMICOPE Intervention to Maintain Self-Perceived Health and Intrinsic Capacity in Older People
In their day to day, persons do from simple to more or less complicated tasks and activities (ie: stand from a chair, open a door, shopping, read, drive, play chess, remind an appointment...).
- Conditions
- Mobility, Depressive Symptoms, Nutrition, Healthy, Cognitive Decline
- Trial name
- EFICIS (NCT05249504)
- Testing
- VIVIFRAIL, Nutrition, Psychology
- Volunteers
- 212 people
- Sponsor
- Fundacio Salut i Envelliment UAB
Retinal Vein Occlusion, Retinal Vein Thrombosis
Atorvastatin for the Treatment of Retinal Vein Occlusion
The ATORVO study is designed to determine whether atorvastatin (Lipitor) can improve vision, when compared to placebo
- Conditions
- Retinal Vein Occlusion, Retinal Vein Thrombosis, Central Retinal Vein Occlusion, Branch Retinal Vein Occlusion
- Trial name
- ATORVO (NCT00517257)
- Testing
- Atorvastatin
- Where
- Canada
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Kidney Stones, Surgical Blood Loss
Combined Intravenous and Irrigation Tranexamic Acid During Percutaneous Nephrolithotomy
Percutaneous nephrolithotomy is a minimally invasive surgical procedure used to remove large kidney stones. Although it is an effective treatment, bleeding during and after the procedure remains one of the main concerns and may…
- Conditions
- Kidney Stones, Surgical Blood Loss, Percutaneous Nephrolithotomy
- Trial name
- NCT07582341
- Testing
- Tranexamic acid, Normal Saline
- Where
- Egypt
- Volunteers
- 90 people
- Sponsor
- Benha University
Retinal Disease, Age-Related Macular Degeneration
Stem Cell Ophthalmology Treatment Study II
This study will evaluate the use of autologous bone marrow derived stem cells (BMSC) for the treatment of retinal and optic nerve damage or disease.
- Conditions
- Retinal Disease, Age-Related Macular Degeneration, Retinitis Pigmentosa, Stargardt Disease
- Trial name
- SCOTS2 (NCT03011541)
- Testing
- Arm 1
- Where
- 4 sites in United States, Austria and 1 more
- Volunteers
- 500 people
- Sponsor
- MD Stem Cells
Hemianopsia, Homonymous Hemianopia
Feasibility Test of Virtual Reality Obstacle Detection for Low Vision Walking
The investigators are developing a new test of pedestrian hazard detection in virtual reality (VR) head-mounted display (HMD) headset, which shows virtual oncoming pedestrians in 3D while subjects are walking in real-world…
- Conditions
- Hemianopsia, Homonymous Hemianopia, Tunnel Vision, Visual Field Defect, Peripheral
- Trial name
- NCT05141604
- Testing
- Field expansion view
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Massachusetts Eye and Ear Infirmary
Blindness
Wayfinding Information Access System for People With Vision Loss
The purpose of the project is to find out what kinds of information are most useful to visually impaired people when they are moving around indoors and what kinds of controls will make it easy for visually impaired people to…
- Trial name
- NCT00829036
- Testing
- Wayfinding Prototype
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- US Department of Veterans Affairs
Stargardt Disease, Stargardt Macular Dystrophy
A Study About the Safety of a Single ASP2020 Eye Injection and if it Helps People With Vision Loss From Stargardt-type Eye Conditions
Macular dystrophies are a group of inherited eye conditions that affect the macula. The macula is in the center of the retina, the light sensitive part at the back of the eye.
- Conditions
- Stargardt Disease, Stargardt Macular Dystrophy, Stargardt-like Macular Dystrophy
- Trial name
- DEVOTE (NCT07734064)
- Testing
- ASP2020
- Where
- 4 sites in United States
- Volunteers
- 30 people
- Sponsor
- Astellas Institute for Regenerative Medicine
Non-exudative Age-related Macular Degeneration, Diabetic Retinopathy
Clinical Trial of Autologous Intravitreal Bone-marrow CD34+ Stem Cells for Retinopathy
This pilot study is to determine whether it would be safe and feasible to inject CD34+ stem cells from bone marrow into the eye as treatment for patients who are irreversibly blind from various retinal conditions.
- Conditions
- Non-exudative Age-related Macular Degeneration, Diabetic Retinopathy, Retina Vein Occlusion, Retinitis Pigmentosa
- Trial name
- NCT01736059
- Testing
- CD34+ bone marrow stem cells intravitreal
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- University of California, Davis
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
Central Retinal Vein Occlusion
Intra-arterial Thrombolysis for Severe Recent Central Retinal Vein Occlusion
Central retinal vein occlusion (CRVO) is a common cause of vision loss, typically affecting individuals during the fifth through seventh decade of life.
- Trial name
- NCT01581411
- Testing
- Tissue Plasminogen Activator
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Weill Medical College of Cornell University
Neuronal Ceroid Lipofuscinosis Type 2
A Registrational Study of TTX-381 to Treat Vision Loss in CLN2 Disease
This is a registrational, first-in-human, open-label, dose escalation and expansion study evaluating the safety, tolerability and effectiveness of TTX-381, administered by injection under the retina, for the treatment of eye…
- Trial name
- NCT05791864
- Testing
- TTX-381
- Where
- 2 sites in Germany, United Kingdom
- Volunteers
- 26 people
- Sponsor
- Tern Therapeutics, LLC
Severe Permanent Uni or Bilateral Non-pulsatile Tinnitus, Without Associated Vestibular Pathology
Evaluation of Deep Brain Stimulation (DBS) of the Right Operculum 3 (OP3) in Permanent Non-pulsatile Disabling Tinnitus (TINNOP3-DBS)
This pilot study aims at evaluating the effectiveness of the treatment of unilateral or bilateral, non-pulsatile, disabling, tinnitus, without vestibular dysfunction, using Deep Brain Stimulation (DBS) of the parieto-insular…
- Conditions
- Severe Permanent Uni or Bilateral Non-pulsatile Tinnitus, Without Associated Vestibular Pathology, Resistant to Therapeutic Failure, With or Without Hearing Loss
- Trial name
- TINNOP3-DBS (NCT04296097)
- Testing
- DBS
- Where
- France
- Volunteers
- 7 people
- Sponsor
- University Hospital, Grenoble
Obesity
Piloting Visual Chat in Internet Obesity Treatment
CHAT is an internet-based weight loss research program designed for women with overweight or obesity who want to lose weight through dietary change and increased physical activity.
- Trial name
- CHAT (NCT03491293)
- Testing
- Behavioral Weight Loss + Text, Behavioral Weight Loss + Video
- Where
- 2 sites in United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Vermont