Clinical trials: Blindness
Usher Syndrome, Retinitis Pigmentosa
A Genetic Analysis of Usher Syndrome in Ashkenazi Jews
Hearing loss and loss of vision can be very harmful to the well-being and life of people who suffer from them. Usher syndrome is the name of a disease where people have both hearing loss and visual loss.
- Conditions
- Usher Syndrome, Retinitis Pigmentosa, Congenital Hearing Impairment
- Trial name
- NCT00016471
- Testing
- Audiogram, Electroretinogram
- Where
- United States
- Sponsor
- National Center for Research Resources (NCRR)
ACHROMATOPSIA 7, Achromatopsia
PBA Use for Treatment of ATF6-/- Patients
Some patients with achromatopsia, an inherited disorder characterized by partial or complete loss of color vision, carry mutations in ATF6.
- Trial name
- NCT04041232
- Testing
- PBA
- Where
- United States
- Volunteers
- 2 people
- Sponsor
- Columbia University
Visual Deficiency, Congenital Blindness
VISIODOL: Validation of the VISIODOL® Scale
The aim of this study is to validate the VISIODOL® scale for screening of pain in people with visual impairment.
- Conditions
- Visual Deficiency, Congenital Blindness, Acquired Blindness
- Trial name
- VISIODOL (NCT03968991)
- Testing
- VISIODOL® (Diagnostic tool)
- Where
- France
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- University Hospital, Clermont-Ferrand
Retinopathy of Prematurity (ROP), Prematurity Complications
Retinopathy of Prematurity - Visual Function and Retinal Structure
Children born prematurely may develop a characteristic retinal disease named retinopathy of prematurity (ROP). This disease could lead to retinal detachment and blindness.
- Conditions
- Retinopathy of Prematurity (ROP), Prematurity Complications, Cerebral Visual Impairment, Visual Field Defect
- Trial name
- NCT07427719
- Where
- Norway
- Volunteers
- 140 people
- Sponsor
- Oslo University Hospital
Spinal Cord Injury
A Safety Study for Cethrin (BA-210) in the Treatment of Acute Thoracic and Cervical Spinal Cord Injuries
This trial is a multi-center, open-label, dose-escalation study designed to evaluate the safety, tolerability and pharmacokinetics of Cethrin in two types of spinal cord injury patients: those with a complete cervical injury or a…
- Trial name
- NCT00500812
- Testing
- Cethrin
- Where
- 8 sites in United States, Canada
- Volunteers
- 48 people
- Sponsor
- Vertex Pharmaceuticals Incorporated
Usher Syndrome
Clinical and Genetic Examination of Usher Syndrome Patients' Cohort in Europe
This study aims to characterize Usher patients in order to correlate this data with genetic information. Tasks: Standardization and improvement of Usher syndrome diagnosis: refine and elaborate special tests of visual and…
- Trial name
- EURUSH (NCT01954953)
- Where
- 6 sites in France, Germany and 2 more
- Volunteers
- 100 people
- Sponsor
- Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts
Cataract, Healthy
Dynamic Light Scattering Device (DLS) Study of Age-Related Changes in the Lens and Cataracts
This study will use a newly developed instrument called dynamic light scattering device (DLS) to examine age-related changes in the human lens and to study the causes and development of cataracts.
- Trial name
- NCT00007215
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
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
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
Vision Disorders, Vision, Low
Viewing Strategy Training in Children With (Cerebral) Visual Impairment
Viewing strategies are strategies used to process visual Information. Many children with visual impairment seem to lack systematic viewing strategies.
- Trial name
- NCT05600140
- Testing
- Viewing strategy training
- Where
- Netherlands
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Royal Dutch Visio
Chronic Venous Insufficiency, CVI
The Use of Immersive Virtual Reality as a Method of Treating Anxiety and Procedural Pain During Endovenous Laser Ablation (EVLA) of Lower Varicose Veins Under Tumescent Anesthesia
This is a prospective, single-arm, pre-post interventional study designed to evaluate the feasibility, safety, and impact of immersive virtual reality (VR) as an adjunct to tumescent local anesthesia during endovenous laser…
- Trial name
- EVLA+VR (NCT07624929)
- Testing
- VR (VR-Control)
- Where
- Poland
- Volunteers
- 100 people
- Sponsor
- Bydgoszcz University of Science and Technology
Hemianopia, Hemianopsia
Collision Warning Device for Blind and Visually Impaired
This study evaluates a novel collision warning device to help people with severe vision impairment or blindness avoid collisions with obstacles.
- Conditions
- Hemianopia, Hemianopsia, Peripheral Visual Field Defect, Blindness
- Trial name
- NCT03057496
- Testing
- Collision warning device
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Color Blindness, Color Vision Defects
Impact of Color Correcting Lenses on Color Vision Deficiency
To demonstrate improved color vision in subjects with color vision deficiencies while wearing color-correcting lenses and after color-correcting lense use.
- Conditions
- Color Blindness, Color Vision Defects, Color Blindness, Green, Color Blindness, Red
- Trial name
- NCT05463016
- Testing
- Experimental Group 1: Color Correcting Lenses, Color Correcting Lenses in Subjects with Normal Color Vision
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of the Incarnate Word
Retinitis Pigmentosa, Usher Syndrome Type 2
Retinal Imaging in CNTF -Releasing Encapsulated Cell Implant Treated Patients for Early-stage Retinitis Pigmentosa
This clinical trial is a single-site, 30 patient study for participants who have early stage retinitis pigmentosa, or Usher syndrome (type 2 or 3). Funding Source - FDA OOPD and Foundation Fighting Blindness.
- Conditions
- Retinitis Pigmentosa, Usher Syndrome Type 2, Usher Syndrome Type 3
- Trial name
- NCT01530659
- Testing
- NT-501
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- Neurotech Pharmaceuticals
Feeding Behavior, Sensory Integration Disorder
Feeding Behavior Intervention in Children with Cerebral Visual Impairment
This study was planned to investigate the effects of nutritional education given in addition to sensory integration intervention on feeding behavior, sensory processing and developmental areas in children with Cerebral Visual…
- Conditions
- Feeding Behavior, Sensory Integration Disorder, Cerebral Visual Impairment
- Trial name
- NCT06827743
- Testing
- feeding behavior education, Sensory integration intervention
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Trakya University