Clinical trials: Vision Loss
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
Behavioral Dynamics, Visual Impairment
Video Screening for Visual Impairment of Infants
An individual senses the world and reflects feedbacks via independent behaviors. Such precise collaboration of the sensory and behavioral systems is fundamental to survival and evolution.
- Trial name
- NCT04237350
- Testing
- Video recording for behaviors
- Where
- China
- Volunteers
- 3,652 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
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
Blindness
Evaluation of the Efficacy of the BrainPort Vision Pro on the Performance of Daily Activities in the Profoundly Blind French Population
The purpose of the study is to evaluate the effectiveness and safety of the BrainPort® Vision Pro, an electronic oral assistive device, in the performance of daily tasks by French persons who have residual vision limited to light…
- Trial name
- NCT04725760
- Testing
- BrainPort Vision Pro
- Where
- 7 sites in France
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Wicab
Visual Impairment
Effects of Multi Sensory Integration on Visual Impaired Children
Visual impairment is use to describe any kind of vision loss, whether it's someone who cannot see at all or someone who has partial vision loss.
- Trial name
- NCT06198114
- Testing
- Multi Sensory Therapy, Conventional Therapy
- Where
- Pakistan
- Volunteers
- 40 people
- Sponsor
- Riphah International University
Septo-Optic Dysplasia, Agenesis of Corpus Callosum
Sleep Profile of Patients With Septo-optic Dysplasia
The aim of this study is to evaluate sleep of patients with septo-optic dysplasia compared to patients with an isolated disorder of peripheral visual system and patients with corpus callosum agenesis since both visus defict and…
- Conditions
- Septo-Optic Dysplasia, Agenesis of Corpus Callosum, Blindness
- Trial name
- NCT06262152
- Testing
- Actigraphy, blood and salivary sample, and sleep evaluation
- Where
- Italy
- Volunteers
- 45 people
- Sponsor
- IRCCS National Neurological Institute "C. Mondino" Foundation
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
Visual Rehabilitation, Visual Impairment, Autism Spectrum Disorder, Developmental Disabilities, Intellectual Disability, Behavioral Symptoms
Evaluation of a Program to Enhance Ophthalmic Compliance in Children and Adolescents With Special Needs
The goal of this clinical trial is to learn about the effects of the structured program incorporating contextual, behavioral, and cognitive strategies to improve compliance of children and adolescents with special needs during…
- Trial name
- NCT06717282
- Testing
- visual rehabilitation for ophthalmic compliance, Using contextual, behavioral, and cognitive-based stragegies to develop training programs
- Where
- Taiwan
- Volunteers
- 20 people
- Sponsor
- National Taiwan University Hospital
Usher Syndrome, Retinitis Pigmentosa
Study of Dietary N-3 Fatty Acids in Patients With Retinitis Pigmentosa and Usher Syndrome
OBJECTIVES: I. Examine the concentration of docosahexanoic acid (DHA) and other n-3 fatty acids in plasma, erythrocyte, and adipose tissue in patients with various forms of retinitis pigmentosa and Usher syndrome. II.
- Trial name
- NCT00004345
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- National Center for Research Resources (NCRR)
Retinitis Pigmentosa
Study of Usher Syndromes, Type 1 and Type 2
The purpose of this investigation is to gain additional knowledge about what causes type 1 and type 2 Usher syndrome-inherited diseases that can cause balance problems and impaired hearing and vision-and to develop better…
- Trial name
- NCT00001347
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- National Eye Institute (NEI)
Optic Neuritis, Optic Neuropathy
Prospective Evaluation of the 2022 Optic Neuritis Criteria When Optic Neuritis Is Suspected
Optic neuritis is an important cause of acute or subacute visual loss. In clinical practice, optic neuritis must often be distinguished from other optic neuropathies, retinal diseases, anterior-segment or ocular media disorders…
- Conditions
- Optic Neuritis, Optic Neuropathy, Visual Loss
- Trial name
- GX-ICON (NCT07623252)
- Where
- 9 sites in China
- Volunteers
- 500 people
- Sponsor
- First Affiliated Hospital of Guangxi Medical University
Uveomeningoencephalitic Syndrome, Inflammation
Multimodal Analysis and Electroretinogram in VKH From Acute Onset - Part I
Patients with acute onset Vogt-Koyanagi-Harada disease (VKHD) were prospectively included in this study. They were systematically followed with clinical, posterior segment imaging exams and full-field electroretinogram during a…
- Conditions
- Uveomeningoencephalitic Syndrome, Inflammation, Choroid Disease, Visual Impairment
- Trial name
- NCT03811366
- Testing
- Corticosteroid monotherapy
- Where
- Brazil
- Volunteers
- 12 people
- Sponsor
- University of Sao Paulo
Diabetes Mellitus, With Complications
New Concepts in Diabetic Macular Edema (DME)
Intravitreal ranibizumab injection procedure is simple and effective. In management of chronic DME there is no clear anatomical endpoint. Visual stability is the primary aim.
- Trial name
- DME (NCT04186702)
- Testing
- INTRAVITREAL RANIBIZUMAB INJECTION
- Volunteers
- 150 people
- Sponsor
- Ain Shams University
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
Amblyopia, Amblyopia Unilateral
Valproate for the Treatment of Residual Amblyopia
The goal of this clinical trial is to determine the efficacy of valproate as an adjunct therapy to treat amblyopia beyond the critical period in children aged 8-17 years who have amblyopia of ≥3 lines of interocular…
- Conditions
- Amblyopia, Amblyopia Unilateral, Amblyopia, Anisometropic, Amblyopia Strabismic
- Trial name
- VARA (NCT07226141)
- Testing
- Valproate, Patch
- Where
- United States
- Volunteers
- 28 people
- Sponsor
- Boston Children's Hospital
Behavioral Dynamics, Visual Impairment
Behavioral Dynamics Between Infants With Visual Loss and Healthy Controls
An individual senses the world and reflects feedbacks via independent behaviors. Such precise collaboration of the sensory and behavioral systems is fundamental to survival and evolution.
- Trial name
- NCT03431207
- Testing
- Standardized video recording for behaviors
- Where
- China
- Volunteers
- 4,196 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Bardet-Biedl Syndrome, Visual Impairment
Treatment of Bardet-Biedl-Syndrome With Metformin for Evaluation of a Possible Visual Improvement
In this prospective pilot study without control group children and young adults (10-25 years old) diagnosed with Bardet-Biedl syndrome and treated with Metformin for their adipositas will be evaluated for a possible additional…
- Trial name
- BBS (NCT03490019)
- Testing
- Metformin
- Sponsor
- University Hospital Tuebingen
Vision Impairment
Providing Access to the Visual Environment
Providing Access to the Visual Environment is a pediatric low vision grant which has the ability to provide comprehensive, interdisciplinary low vision rehabilitation services to every child in Tennessee with a vision impairment.
- Trial name
- NCT00341744
- Where
- United States
- Volunteers
- 795 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Visual Impairment
Causes of Visual Impairment Among Patients Applying for the Visually Disability Certification
Causes of Visual Impairment Among Patients Applying for the Visually Disability Certification in Upper Egypt: A Retrospective Study
- Trial name
- NCT06518148
- Testing
- 1- uncorrected and best corrected visual acuity (UCVA and BCVA) by Snellen's-chart.2-slit lamp bio microscopy (Haag-Streit, USA).3-IOP measurements (Goldmann Applanation tonometer)
- Where
- Egypt
- Volunteers
- 2,000 people
- Sponsor
- New Valley University
Loss of Visual Contrast Sensitivity, Near Vision
Visual Performance Following Implantation of Presbyopia Correcting IOLs
The purpose of the current study was to compare the visual performance after bilateral implantation of the Panoptix IOL , or the AT LISA IOL or Tecnis Symfony IOL .
- Conditions
- Loss of Visual Contrast Sensitivity, Near Vision, Visual Impairment
- Trial name
- NCT04907955
- Testing
- phacoemulsification with implantation of presbyopia correcting IOL
- Where
- Kuwait
- Volunteers
- 50 people
- Sponsor
- Dar Al Shifa Hospital