Clinical trials: Blindness
Hemianopsia
Visual Field Restoration in Patients With Post-stroke Homonymous Hemianopsia
This study will assess the effectiveness of a stimulus, in the blind field of hemianopsic patients, to restore the vision of patients with homonymous hemianopsia consecutive to stroke (unilateral occipital lesion).
- Trial name
- REVOIR (NCT02886663)
- Testing
- stimulation of the blind visual field
- Where
- France
- Volunteers
- 9 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Endothelial Dysfunction, Sublingual Capillary Glycocalyx and Density
Prematurity as Predictor of Children's Cardiovascular-renal Health
Extreme preterm birth interferes with the development of the cardiovascular system. Both macro- as well as microvasculature undergoes extensive, organ specific maturation.
- Conditions
- Endothelial Dysfunction, Sublingual Capillary Glycocalyx and Density, Visual Disturbances and Blindness, Ventricular Dysfunction, Left
- Trial name
- PREMATCH (NCT02147457)
- Where
- Belgium
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Dry Age-related Macular Degeneration
Feasibility Study of Compensation for Blindness With the PRIMA System in Patients With Dry Age Related Macular Degeneration
In this study, the principle functionality of the device will be tested in humans for the first time. The study will evaluate the extent to which patients with atrophic dry age related macular degeneration (AMD) have evoked light…
- Trial name
- PRIMA FS (NCT03333954)
- Testing
- PRIMA Bionic Vision System
- Where
- France
- Volunteers
- 5 people
- Sponsor
- Science Corporation
Non 24 Hour Sleep Wake Disorder
Safety Study of Tasimelteon for Treatment of Non-24-Hour-Sleep-Wake Disorder in Blind Individuals With No Light Perception
The purpose of this study is to evaluate the safety of a one year open-label treatment of tasimelteon in male and female subjects with Non-24-Hour Sleep-Wake Disorder.
- Trial name
- NCT01218789
- Testing
- tasimelteon
- Where
- 7 sites in France
- Volunteers
- 140 people
- Sponsor
- Vanda Pharmaceuticals
Chronic Venous Insufficiency, CVI
Structured Home-Based Exercise and Education for Chronic Venous Insufficiency
The goal of this clinical trial is to learn whether a structured home-based exercise and education program can improve quality of life and leg symptoms in adults with chronic venous insufficiency.
- Trial name
- NCT07777978
- Testing
- Structured Home-Based Exercise and Education Program, Standard Care (in control arm)
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people
- Sponsor
- Abant Izzet Baysal University
Visual Rehabilitation, Oddball Design
In-person and Telehealth Visual Rehabilitation for Children With Low Vision
Restorative visual rehabilitation is frequently used to enhance the visual development and function of children with low vision.
- Conditions
- Visual Rehabilitation, Oddball Design, Cerebral Visual Impairment, Passive Visual Stimulation
- Trial name
- NCT06701617
- Testing
- restorative visual rehabitation
- Where
- Taiwan
- Volunteers
- 200 people
- Sponsor
- National Taiwan University Hospital
Wolfram Syndrome, Diabetes Mellitus
A Clinical Trial of Dantrolene Sodium in Pediatric and Adult Patients With Wolfram Syndrome
Wolfram syndrome is a rare genetic disorder characterized by juvenile-onset diabetes mellitus, diabetes insipidus, optic nerve atrophy, hearing loss, and neurodegeneration.
- Conditions
- Wolfram Syndrome, Diabetes Mellitus, Optic Nerve Atrophy, Ataxia
- Trial name
- NCT02829268
- Testing
- dantrolene sodium
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Washington University School of Medicine
Corneal Opacity
Clinical Outcomes of the Gore Synthetic Cornea Device
Study objective is to evaluate the initial safety and effectiveness of the GORE Synthetic Cornea Device in the treatment of loss of corneal clarity in patients who are candidates for corneal transplantation
- Trial name
- NCT06174376
- Testing
- GORE Synthetic Cornea Device
- Where
- 2 sites in Mexico
- Volunteers
- 10 people
- Sponsor
- W.L.Gore & Associates
Blindness Congenital
Comparison of Balance and Coordination Parameters of Visually Impaired and Healthy Individuals
The aim of this [observational study] is to examine balance in multiple aspects by comparing balance, coordination, and gait parameters between congenitally blind individuals and healthy individuals with multiple scales.
- Trial name
- NCT06687915
- Where
- Turkey (Türkiye)
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Bahçeşehir University
Eye Diseases Hereditary, Retinal Disease
Inherited Retinal Degenerative Disease Registry
The My Retina Tracker® Registry is sponsored by the Foundation Fighting Blindness and is for people affected by one of the rare inherited retinal degenerative diseases studied by the Foundation.
- Conditions
- Eye Diseases Hereditary, Retinal Disease, Achromatopsia, Bardet-Biedl Syndrome
- Trial name
- MRTR (NCT02435940)
- Where
- United States
- Volunteers
- 20,000 people, healthy volunteers welcome
- Sponsor
- Foundation Fighting Blindness
Teaching Technique
E-learning: Teaching of Blindness Prevention
E-learning material increases the student knowledge level before the traditional class of blindness prevention and help to fix this information a short period (one month) after the class.
- Trial name
- ELBPS (NCT01249586)
- Testing
- E-learning
- Where
- Brazil
- Sponsor
- Clinica Oftamologica Zona Sul
Blindness
The Impact of Rehabilitation on Quality of Life in Visually Impaired
The project has four primary objectives: 1) Determine if blind rehabilitation improves the quality of life of legally blind veterans; 2) Determine the relationship between quality of life and visual function; 3) Determine if…
- Trial name
- NCT00013403
- Testing
- Blindness
- Where
- United States
- Volunteers
- 300 people
- Sponsor
- US Department of Veterans Affairs
Blindness, Acquired
A Validation of the Functional Low-Vision Observer Rated Assessment (FLORA-20) for Profoundly Blind Individuals
This study aims to validate an observer-rated assessment titled "Functional Low-Vision Observer Rated Assessment (FLORA-20)", which comprises 20 functional vision tasks commonly performed in or around a blind individual's home…
- Trial name
- FLORA-20 (NCT04312763)
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Second Sight Medical Products
Amaurosis, Retinal Diseases
Genetic Study of Patients Suffering From Congenital Amaurosis of Leber or From an Early Severe Retinal Dystrophy
Retinal dystrophies are responsible for numerous cases of blindness, and there are no therapeutic possibilities today. Gene therapy is efficient in a dog model concerning dystrophy linked to a mutation of the rpe65 gene.
- Trial name
- NCT00422721
- Testing
- realization of a family tree, refractometry, evaluation of the presence of a nystagmus
- Where
- France
- Volunteers
- 360 people
- Sponsor
- Nantes University Hospital
Carotid Stenosis, Atherosclerosis
Revacept in Symptomatic Carotid Stenosis
Patients suffering from symptomatic carotid artery stenosis, transient ischemic attacks (TIAs), amaurosis fugax or stroke receive either Revacept (single dose) plus antiplatelet monotherapy or monotherapy alone.
- Conditions
- Carotid Stenosis, Atherosclerosis, Stroke, Transient-ischaemic Attack
- Trial name
- RevaceptCS02 (NCT01645306)
- Testing
- Revacept
- Where
- 12 sites in Germany, United Kingdom
- Volunteers
- 158 people
- Sponsor
- AdvanceCor GmbH
Wet Age-related Macular Degeneration, Neovascular Age-related Macular Degeneration
ADVM-022 Intravitreal Gene Therapy for Wet AMD
ADVM-022 (AAV.7m8-aflibercept) is a gene therapy product developed for the treatment of neovascular (wet) age-related macular degeneration (wet AMD).
- Trial name
- OPTIC (NCT03748784)
- Testing
- ADVM-022
- Where
- 11 sites in United States
- Volunteers
- 30 people
- Sponsor
- Adverum Biotechnologies, Inc.
Blindness, Acquired
AI-Powered Artificial Vision for Visual Prostheses
Visual impairment is one of the ten most prevalent causes of disability and poses extraordinary challenges to individuals in our society that relies heavily on sight.
- Trial name
- NCT06117332
- Testing
- Visual prosthesis
- Where
- 2 sites in United States, Spain
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- University of California, Santa Barbara
Prader-Willi Syndrome, PWS-like Syndrome
GROWing Up With Rare GENEtic Syndromes
Introduction Rare complex syndromes Patients with complex genetic syndromes, by definition, have combined medical problems affecting multiple organ systems, and intellectual disability is often part of the syndrome.
- Conditions
- Prader-Willi Syndrome, PWS-like Syndrome, Silver Russel Syndrome, Congenital Hypopituitarism
- Trial name
- GROW UR GENES (NCT04463316)
- Testing
- Retrospective file studies
- Where
- Netherlands
- Volunteers
- 600 people
- Sponsor
- dr. Laura C. G. de Graaff-Herder
Cerebral Palsy, Visual Impairment
Turkish Validity and Reliability of the Visual Function Classification System (VFCS)
Cerebral Palsy (CP) is the most common childhood disorder that occurs with a lesion in the developing infant brain, seen in 2-3/1000 live births.
- Conditions
- Cerebral Palsy, Visual Impairment, Visual Disorder, Cerebral Visual Impairment
- Trial name
- NCT05102955
- Testing
- Observational questionnaires
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people
- Sponsor
- Kahramanmaras Sutcu Imam University
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