Clinical trials: Blindness
Blindness
Young Blind Child Melatonin Treatment Study
The primary goal of this study is to identify the presence of desynchronized circadian rhythms in 25 children by measuring melatonin secretion in serial blood or saliva samples, and to rule out any primary sleep disorders.
- Trial name
- NCT00688935
- Testing
- Melatonin
- Where
- United States
- Volunteers
- 9 people
- Sponsor
- Oregon Health and Science University
Retinitis Pigmentosa, Usher Syndrome Type 2
Study to Evaluate the Efficacy Safety and Tolerability of Ultevursen in Subjects With RP Due to Mutations in Exon 13 of the USH2A Gene (Sirius)
The purpose of this study is to evaluate the efficacy safety and tolerability of ultevursen administered via intravitreal injection (IVT) in subjects with Retinitis Pigmentosa (RP) due to mutations in exon 13 of the USH2A gene.
- Conditions
- Retinitis Pigmentosa, Usher Syndrome Type 2, Deaf Blind, Retinal Disease
- Trial name
- NCT05158296
- Testing
- Ultevursen
- Where
- 15 sites in United States, Germany and 2 more
- Volunteers
- 7 people
- Sponsor
- Laboratoires Thea
Cerebral Visual Impairment
joyVision: The Superiority of Co-design in the Development of a Serious Game for Children With Cerebral Visual Impairment
The goal of this clinical trial is to evaluate the superiority of the through codesign redesigned game joyVision over the iVision game for children with a cognitive age between 3 and 12 with CVI.
- Trial name
- NCT07893379
- Testing
- serious game
- Volunteers
- 34 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Retinitis Pigmentosa (RP), Usher Syndrome Type 2
Study to Evaluate the Long-Term Safety of Ultevursen in Participants With Retinitis Pigmentosa (RP) Due to Mutations in Exon 13 of the USH2A Gene
The purpose of this Phase 2 Open-label study is to evaluate the long-term safety and tolerability of Ultevursen administered via intravitreal injection (IVT) in participants with Retinitis Pigmentosa due to mutations in exon 13…
- Conditions
- Retinitis Pigmentosa (RP), Usher Syndrome Type 2, Deaf Blind, Retinal Disease
- Trial name
- CAPELLA (NCT07796646)
- Testing
- No intervention, will not receive any active study intervention, Intravitreal Injection of Ultevursen
- Volunteers
- 81 people
- Sponsor
- Laboratoires Thea
Stroke, Infarction; Posterior Cerebral Artery
Restoration of Vision After Stroke
Occipital stroke is associated with homonymous visual field defects (occurring on one side of the visual field). Despite spontaneous recovery, some degree of defect is often permanent.
- Conditions
- Stroke, Infarction; Posterior Cerebral Artery, Hemianopsia
- Trial name
- REVIS (NCT02405143)
- Testing
- Active tACS using DC-Stimulator MC
- Where
- Finland
- Volunteers
- 50 people
- Sponsor
- Helsinki University Central Hospital
Diabetes, Visual Impairment
Nonvisual Foot Inspection for People With Visual Impairment
The purpose of this study was to find out whether a method of nonvisual foot inspection, using the senses of touch and smell, helps people with diabetes and visual impairment to find new foot problems when they are in early…
- Trial name
- NCT01822717
- Testing
- Nonvisual foot inspection, Usual Care
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Case Western Reserve University
Onchocerciasis (River Blindness), Schistosomiasis
Expanding Access to Preventive Chemotherapy Among Mobile and Migrant Populations
Neglected Tropical Diseases (NTDs) are among the most common groups of diseases affecting over one billion people globally and are disproportionately concentrated in remote, underserved, and marginalized communities.
- Conditions
- Onchocerciasis (River Blindness), Schistosomiasis, Soil Transmitted Helminth (STH) Infections, Lymphatic Filariasis
- Trial name
- MISSION (NCT07707817)
- Testing
- Modified Mass Administration of Medicines Strategy, Albendazole 400 mg, Praziquantel 40 mg/kg
- Where
- Nigeria
- Volunteers
- 5,760 people, healthy volunteers welcome
- Sponsor
- Uwemedimo Friday Ekpo
Infected Corneal Ulcers, Bacterial Keratitis
A Clinical Trial of Povidone-Iodine for the Treatment of Bacterial Corneal Ulcers
Bacterial corneal ulcers are a leading cause of pediatric blindness in underdeveloped countries due to a lack of antibiotic availability and affordability, among other reasons.
- Conditions
- Infected Corneal Ulcers, Bacterial Keratitis, Corneal Ulcer, Childhood Blindness
- Trial name
- NCT00386958
- Testing
- Povidone-Iodine
- Where
- United States
- Volunteers
- 172 people
- Sponsor
- Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Diabetic Retinopathy, Blindness
Diabetic Retinopathy Study (DRS)
To determine whether photocoagulation helps prevent severe visual loss from proliferative diabetic retinopathy. To determine whether a difference exists in the efficacy and safety of argon versus xenon photocoagulation for…
- Trial name
- NCT00000160
- Testing
- Xenon Photocoagulation, Argon Photocoagulation, Photocoagulation
- Sponsor
- National Eye Institute (NEI)
Macular Degeneration
Vascular Endothelial Growth Factor (VEGF) Trap-Eye: Investigation of Efficacy and Safety in Wet Age-Related Macular Degeneration (AMD)
This study is a phase III, double-masked, randomized, study of the efficacy and safety of VEGF Trap-Eye in patients with neovascular age-related macular degeneration.
- Trial name
- VIEW 2 (NCT00637377)
- Testing
- Ranibizumab, Aflibercept Injection (EYLEA, VEGF Trap-Eye, BAY86-5321)
- Where
- 189 sites in Argentina, Australia and 24 more
- Volunteers
- 1,240 people
- Sponsor
- Bayer
Stroke, Blindness
Functional Neuroimaging of Cortical Plasticity in the Human Visual System
The study's objective is to measure changes in human visual cortex organization that may arise as a result of injury to the visual pathways.
- Conditions
- Stroke, Blindness, Vision
- Trial name
- NCT01062672
- Where
- 2 sites in United States, Germany
- Volunteers
- healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
Neovascular Age-Related Macular Degeneration (nAMD), Wet AMD
Efficacy and Safety Study of Ixoberogene Soroparvovec (Ixo-vec) in Participants With Neovascular Age-Related Macular Degeneration
This is a multi-center, randomized, double-masked, active-comparator-controlled, Phase 3 study in a broad participant population (treatment-naïve and treatment-experienced) with neovascular (wet) age-related macular degeneration…
- Trial name
- ARTEMIS (NCT06856577)
- Testing
- Ixo-vec, Aflibercept
- Where
- 75 sites in United States
- Volunteers
- 311 people
- Sponsor
- Adverum Biotechnologies, Inc.
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
Non-24-Hour Sleep-Wake Disorder
Efficacy and Safety of Tasimelteon Compared With Placebo in Totally Blind Subjects With Non-24-Hour Sleep-Wake Disorder
The purpose of this study is to evaluate the efficacy and safety of a six month double-mask treatment of tasimelteon or placebo in male and female subjects with Non-24-Hour Sleep-Wake Disorder
- Trial name
- NCT01163032
- Testing
- tasimelteon
- Where
- 28 sites in United States, Germany
- Volunteers
- 136 people
- Sponsor
- Vanda Pharmaceuticals
Leber Congenital Amaurosis 10, Blindness
Study to Evaluate Sepofarsen in Subjects With Leber Congenital Amaurosis (LCA) Type 10 (HYPERION)
The purpose of this double-masked, randomized, placebo-controlled, paired-eye study is to evaluate the efficacy, safety and tolerability of Sepofarsen in subjects with Leber Congenital Amaurosis (LCA) due to the c.2991+1655A>G…
- Conditions
- Leber Congenital Amaurosis 10, Blindness, Leber Congenital Amaurosis, Sensation Disorders
- Trial name
- HYPERION (NCT06891443)
- Testing
- sepofarsen
- Where
- 18 sites in United States, Australia and 8 more
- Volunteers
- 32 people
- Sponsor
- Laboratoires Thea
Cataract, Refractive Error
Community-Based Eye Screening With Structured Referral Tracking for Preventing Avoidable Blindness in Adults in Rawalpindi, Pakistan
This cluster randomized controlled trial aims to evaluate the effectiveness of a Structured Referral Tracking (SRT) intervention in improving referral completion among adults identified with avoidable blindness during…
- Conditions
- Cataract, Refractive Error, Diabetic Retinopathy
- Trial name
- SIGHT (NCT07611682)
- Testing
- Structured Referral Tracking (SRT)
- Where
- Pakistan
- Volunteers
- 500 people
- Sponsor
- Health Services Academy, Islamabad, Pakistan
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
Cortical Visual Impairment
Remote Access: Cortical Visual Impairment
This study aims to compare the efficacy of an in-home telehealth-based intervention to standard care for children with cortical visual impairment and their caregivers and to assess the feasibility and acceptability of an in-home…
- Trial name
- NCT03957980
- Testing
- Occupational therapy
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Leber Congenital Amaurosis 10, Inherited Retinal Dystrophies
Single Ascending Dose Study in Participants With LCA10
The purpose of this study is to evaluate the safety, tolerability and efficacy of a single escalating doses of EDIT-101 administered via subretinal injection in participants with LCA10 caused by a homozygous or compound…
- Conditions
- Leber Congenital Amaurosis 10, Inherited Retinal Dystrophies, Eye Diseases, Hereditary, Retinal Disease
- Trial name
- NCT03872479
- Testing
- EDIT-101
- Where
- 5 sites in United States
- Volunteers
- 34 people
- Sponsor
- Editas Medicine, Inc.
Ocular Injury, Optic Nerve Diseases
A Phase I Feasibility Study of an Intracortical Visual Prosthesis (ICVP) for People With Blindness
The purpose of this study is to determine the feasibility of producing artificial vision in persons with blindness. Study participants will have wireless electrical stimulators implanted into the cortical vision processing areas…
- Conditions
- Ocular Injury, Optic Nerve Diseases, Photoreceptor Degeneration, Blindness,Acquired
- Trial name
- ICVP (NCT04634383)
- Testing
- WFMA - wireless floating microelectrode array
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- Illinois Institute of Technology