Clinical trials: Vision Loss
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
Angiokeratomas, Chronic Kidney Disease
Biomarker for Patients With Fabry Disease (BioFabry)
Development of a new mass spectrography-based biomarker for the early and sensitive diagnosis of Fabry disease from the blood
- Conditions
- Angiokeratomas, Chronic Kidney Disease, Ocular Abnormalities, Hearing Loss
- Trial name
- BioFabry (NCT02778295)
- Where
- 3 sites in Germany, India and 1 more
- Sponsor
- CENTOGENE GmbH Rostock
Wet Macular Degeneration
Sub-tenon Triamcinolone Acetonide in Age-Related Macular Degeneration as Adjunct to Ranibizumab
In the Western World, Age Related Macular Degeneration (ARMD) is a leading cause of blindness. This disease was once thought to be a natural part of aging, but recent research has introduced effective treatments.
- Trial name
- STAR (NCT01249937)
- Testing
- Ranibizumab, Triamcinolone Acetonide
- Where
- Canada
- Volunteers
- 30 people
- Sponsor
- University Health Network, Toronto
Amblyopia
Early Detection and Prevention of Amblyopia and Visual Impairment Through Systematic Pediatric Vision Screening
Amblyopia, characterized by reduced visual acuity, develops in childhood due to insufficient sensory stimulation of the affected eye.
- Trial name
- FALSSE (NCT07112560)
- Testing
- Standard screening procedure for amblyopia, New amblyopia screening method using a virtual reality headset.
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France
Visual Impairment
Influence of Low Vision Assistive Technology on Mobility Among Visually Impaired Individuals
This study investigates the influence of low vision assistive technology (AT) on the mobility and independence of individuals with visual impairments.
- Trial name
- NCT07055646
- Testing
- Traditional Assistive Technology, Digital Assistive Technology, Combined Technology Users
- Where
- Pakistan
- Volunteers
- 60 people
- Sponsor
- Superior University
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
Corneal Neovascularisation
Strategies for Management of Corneal Neovascularisation
The cornea is the transparent window of the eye, which allows light to enter into the eye and also contributes to the focusing of the light rays.
- Trial name
- NCT02594423
- Testing
- Fine Needle Diathermy, Bevacizumab
- Volunteers
- 40 people
- Sponsor
- University of Nottingham
Focus: Surgical Smoke During Laparoscopic Surgery
Assessment of a New Surgical Smoke Clearing Technology in Laparoscopic Cholecystectomy
The study will examine the safety and performance of a new surgical smoke clearance system designed for use during laparoscopic surgery.
- Trial name
- Innervision (NCT01534832)
- Testing
- Innervision Surgical Smoke Removal System
- Where
- United Kingdom
- Volunteers
- 30 people
- Sponsor
- Asalus Medical Instruments Limited
Dry Eye, Vision; Disturbance, Hysterical
The Influences of Dry Eye Disease on Optical Quality
DED could result in visual disturbance and damage optical quality. We aimed to evaluate the influences of dry eye disease (DED) on optical quality and their correlations.
- Trial name
- NCT04043949
- Where
- China
- Volunteers
- 90 people
- Sponsor
- Peking University Third Hospital
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
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
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
Central Retinal Vein Occlusion
Ranibizumab Intravitreal Injections Versus Sham Control in Patients With Central Retinal Vein Occlusion (CRVO)
Provide efficacy and safety data on intravitreal injections of ranibizumab 0.5 mg in patients with visual impairment due to macular edema secondary to CRVO
- Trial name
- Camellia (NCT01976312)
- Testing
- Ranibizumab 0.5 mg
- Where
- 34 sites in China, Hong Kong and 5 more
- Volunteers
- 252 people
- Sponsor
- Novartis Pharmaceuticals
Depression in Old Age, Ketamine
Effect of Ketamine in Depressive Symptoms of Elderly Patients With Visual Impairment.
the prevalence of depression in elderly is from 4 to 30% and is associated with a lower quality of life mayor medical comorbidity, and increased mortality.
- Trial name
- NCT03473431
- Testing
- Ketamine, control
- Where
- Mexico
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Instituto Mexicano del Seguro Social
Retinitis Pigmentosa
Evoked Retinal Response
Retinitis pigmentosa (RP) is the name given to a group of inherited eye diseases that affect the retina (the light-sensitive part of the eye).
- Trial name
- NCT01415453
- Testing
- Ultrasound Stimulus
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Columbia University
Visual Impairment, Macular Edema
Efficacy and Safety of Ranibizumab Intravitreal Injections Versus Dexamethasone Intravitreal Implant in Patients With Branch Retinal Vein Occlusion (BRVO)
This clinical trial is designed to compare ranibizumab in comparison with Dexamethasone implant after 6 months of treatment. In the study arm Ranibizumab will be given monthly in a pro re nata scheme whereas the comparator…
- Conditions
- Visual Impairment, Macular Edema, Branch Retinal Vein Occlusion
- Trial name
- COMRADE-B (NCT01396057)
- Testing
- Ranibizumab, Dexamethasone Implant
- Where
- 66 sites in Czechia, Germany and 3 more
- Volunteers
- 244 people
- Sponsor
- Novartis Pharmaceuticals
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
Dim Light Vision Disturbances
Safety and Efficacy of Nyxol (0.75% Phentolamine Ophthalmic Solution) in Subjects With Dim Light Vision Disturbances
The objectives of this study are: To evaluate the efficacy of Nyxol to improve mesopic low contrast visual acuity (mLCVA) in subjects with Dim Light Vision Disturbances (DLD) To evaluate efficacy of Nyxol to improve visual…
- Trial name
- NCT04638660
- Testing
- Phentolamine Ophthalmic Solution 0.75%
- Where
- 17 sites in United States
- Volunteers
- 144 people
- Sponsor
- Opus Genetics, Inc
Visual Impairment in Children
Highlighting the Benefits of a Screening Protocol Delivered by Orthoptists to Identify Visual Impairment in Children Aged 3 to 4
Visual developmental abnormalities affect 10 to 15% of the population under 6 years of age and leads to amblyopia in 30% of cases if left untreated.
- Trial name
- ORTHOPHTALMO (NCT04395560)
- Where
- France
- Volunteers
- 300 people
- Sponsor
- Clinique Rive Gauche
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