Clinical trials: Blindness
Hemianopia, Stroke
Combined tDCS and Vision Restoration Training in Subacute Stroke Rehabilitation: A Pilot Study
The purpose of this Study is to determine whether non-invasive transcranial direct current stimulation (tDCS) is effective in increasing rehabilitation effects after stroke in visual Cortex.
- Trial name
- NCT02935413
- Testing
- tDCS, Standard rehabilitation
- Where
- 2 sites in Austria, Germany
- Volunteers
- 14 people
- Sponsor
- University of Magdeburg
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
Rare Fetal Genetic Diseases, Congenital Malformation
Characterization and Contribution of Genome-wide DNA Methylation (DNA Methylation Episignatures) in Rare Diseases With Prenatal Onset
It is necessary to define reference DNA Methylation Episignatures from fetal DNA. The hypotheses are: It is possible to define reference DNA Methylation Episignatures from fetal DNA extracted from amniotic fluid or frozen tissues…
- Trial name
- FOETEPISIGN (NCT06475651)
- Testing
- Methylation analysis
- Where
- France
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Hemianopia, Visual Field Defect Following Cerebrovascular Accident
Screening and Rehabilitation of Visual Field Defects in Post-Stroke Patients
In this study, the investigators will use a wearable device capable of performing this bedside assessment to evaluate the incidence of visual field loss in post-stroke patients.
- Trial name
- SCRiCaViPS (NCT07317739)
- Testing
- Early multisensory audio-visual stimulation training, Early visual field test
- Volunteers
- 300 people
- Sponsor
- Fondazione David Chiossone - Impresa Sociale
Blindness
A Study to Evaluate the BrainPort® Vision Device in Subjects Who Are Blind
The purpose of this study is to assess the safety of the BrainPort vision device and to demonstrate improved object recognition and word identification and ambulation with use of the BrainPort vision device in subjects who are…
- Trial name
- NCT01488786
- Testing
- BrainPort Vision Device
- Where
- 7 sites in United States, Canada
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Wicab
Visual Field Defect, Peripheral, Stroke
Improving Visual Field Deficits With Noninvasive Brain Stimulation
This is a randomized, pilot interventional study in participants with visual field deficit (VFD) caused by cortical lesion. Damage to the primary visual cortex (V1) causes a contra-lesional, homonymous loss of conscious vision…
- Conditions
- Visual Field Defect, Peripheral, Stroke, Visual Impairment, Hemianopsia
- Trial name
- NCT05085210
- Testing
- transcranial random noise stimulation (tRNS), Computer Based Visual Training, Virtual Reality Based Visual Training
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Beth Israel Deaconess Medical Center
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
Geographic Atrophy, Age-related Macular Degeneration
Intravitreal LFG316 in Patients With Age-related Macular Degeneration (AMD)
This study was conducted in two parts; Part A and Part B: Part B was initially planned to include two cohorts. Cohort 2 was cancelled following an interim analysis for efficacy in Part A of the study, and not due to any safety…
- Trial name
- NCT01527500
- Testing
- LFG316, LFG316 Lower dose
- Where
- 19 sites in United States
- Volunteers
- 158 people
- Sponsor
- Novartis Pharmaceuticals
Blindness, Cataract
Long Term Follow-Up of Diabetic Retinopathy
The efficacy of laser photocoagulation treatment for diabetic retinopathy has been demonstrated by several National Eye Institute (NEI) sponsored clinical trials.
- Conditions
- Blindness, Cataract, Diabetes Mellitus, Diabetic Retinopathy
- Trial name
- NCT00001395
- Where
- United States
- Volunteers
- 75 people
- Sponsor
- National Eye Institute (NEI)
Leber Congenital Amaurosis 10, Blindness
Extension Study to Study PQ-110-001 (NCT03140969)
Subjects completing participation in study PQ-110-001 (EudraCT 2017-000813-22 / NCT03140969) will be given the opportunity to enroll into the extension study for continued dosing if available data support current and/or future…
- Conditions
- Leber Congenital Amaurosis 10, Blindness, Leber Congenital Amaurosis, Vision Disorders
- Trial name
- INSIGHT (NCT03913130)
- Testing
- QR-110
- Where
- 3 sites in United States, Belgium
- Volunteers
- 9 people
- Sponsor
- Laboratoires Thea
Central Visual Impairment
Training Oculo-motor Control to Improve Vision When Using a Preferred Retinal Locus
When high-detail vision is lost due to a retinal disease such as macular degeneration, people see poorly, and have difficulty with eye movements (oculo-motor control).
- Trial name
- NCT05637385
- Testing
- Training of perception and oculo-motor control
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Russell L. Woods
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
Usher Syndrome, Cochlear Implantation
Auditory Neural Function in Implanted Patients With Usher Syndrome
Usher syndrome (USH) causes extensive degeneration in the cochlear nerve (CN), especially in CN fibers innervating the base of the cochlea.
- Trial name
- NCT04906135
- Testing
- Experimental manipulation of stimulation parameters
- Where
- 4 sites in United States
- Volunteers
- 29 people
- Sponsor
- Ohio State University
Blindness
Do Blue-Blocking Lenses Block Blue Colour From Our Lives?
To measure colour vision in patients with a blue light filtering lens implant in one eye and non-tinted implant in the other eye (and compared this group with a control group with bilateral non-tinted implants) and to determine…
- Trial name
- NCT00403143
- Testing
- cataract surgery
- Where
- United Kingdom
- Volunteers
- 40 people
- Sponsor
- London North West Healthcare NHS Trust
Retinitis Pigmentosa, Usher Syndrome Type 2
Study to Evaluate the Efficacy Safety and Tolerability of QR-421a in Subjects With RP Due to Mutations in Exon 13 of the USH2A Gene With Early to Moderate Vision Loss (Celeste)
The purpose of this study is to evaluate the efficacy safety and tolerability of QR-421a administered via intravitreal injection (IVT) in subjects with Retinitis Pigmentosa (RP) due to mutations in exon 13 of the USH2A gene with…
- Conditions
- Retinitis Pigmentosa, Usher Syndrome Type 2, Deaf Blind, Retinal Disease
- Trial name
- NCT05176717
- Testing
- QR-421a
- Where
- 3 sites in United States, United Kingdom
- Volunteers
- 5 people
- Sponsor
- Laboratoires Thea
Stroke Induced Vision Loss, Hemianopia
Visual Restoration for Hemianopia
The purpose of this research is to assess the efficacy of a visual training task on reducing the size of a visual field deficit caused by brain damage in adults, and its ability to improve visual functions in this patient…
- Conditions
- Stroke Induced Vision Loss, Hemianopia, Quadrantanopia
- Trial name
- NCT03350919
- Testing
- Training in the blind field, Training in the intact field
- Where
- 3 sites in United States
- Volunteers
- 48 people
- Sponsor
- University of Rochester
Acute Stroke, Visual Field Loss
Fluoxetine for Visual Recovery After Ischemic Stroke
The purpose of this study is to determine whether fluoxetine, a selective serotonin reuptake inhibitor commonly used for depression, enhances visual recovery after an acute ischemic stroke.
- Trial name
- FLUORESCE (NCT02737930)
- Testing
- Fluoxetine
- Where
- United States
- Volunteers
- 17 people
- Sponsor
- Bogachan Sahin
Obesity
The Extract of Green Tea on Obese Women: a Randomized Double Blindness Clinical Trial
The purpose of this study is to examine whether the extract of the green tea is effective on obese women.
- Trial name
- NCT00383058
- Testing
- the extract of green tea
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Taipei City Hospital
Wolfram Syndrome
I-Tracking Neurodegeneration in Early Wolfram Syndrome
Wolfram syndrome (WFS; OMIM #222300) is a rare autosomal recessive disease clinically defined in 1938 as the combination of childhood-onset insulin dependent diabetes, optic nerve atrophy, diabetes insipidus and deafness.
- Trial name
- I-TRACK (NCT03951298)
- Where
- United States
- Volunteers
- 128 people
- Sponsor
- Washington University School of Medicine
Vision, Low, Blindness
Testing Tactile Aids With Blind Subjects
The objective of this project is to create richer tactile aids by using materials chemistry to create tactile sensations in tactile aids, as an alternative to traditional physical bumps, lines, or textures.
- Trial name
- NCT06237829
- Testing
- Single bump acuity, Optimal spacing between bumps, Improving signal from a single bump with designer materials
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Delaware