Clinical trials: Central Visual Impairment, open to volunteers
Low Vision, Central Visual Impairment
Vision Rehabilitation Training With Multimodal Feedback in Central Vision Loss
Central vision loss from macular degeneration creates blind spots that impair reading, face recognition, and navigation. Individuals must learn to use peripheral vision, requiring retraining of eye movements.
- Conditions
- Low Vision, Central Visual Impairment, Macular Degeneration
- Trial name
- NCT07577219
- Testing
- eccentric viewing training with biofeedback
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- New England College of Optometry
Stroke, Visual Impairment
Effectiveness of AV-stimulation in Immersive VR to Improve Visual Perception and Driving Performance
The goal of this clinical trial is to evaluate the effectiveness of an immersive virtual-reality (IVR) based stimulation program, in improving visual perception for people who have lost their driver's license due to perceptual or…
- Conditions
- Stroke, Visual Impairment, Low Vision, Virtual Reality
- Trial name
- Re:DriVR (NCT05703360)
- Testing
- Audiovisual Stimulation
- Where
- 2 sites in Canada
- Volunteers
- 30 people
- Sponsor
- University Health Network, Toronto
Hemianopsia, Homonymous, Brain Injury
Biofeedback for Hemianopia Vision Rehabilitation
Patients with brain injury secondary to stroke, surgery, or trauma frequently suffer from homonymous hemianopia, defined as vision loss in one hemifield secondary to retro- chiasmal lesion.
- Conditions
- Hemianopsia, Homonymous, Brain Injury, Stroke, Brain Tumor
- Trial name
- NCT05397873
- Testing
- Biofeedback training
- Where
- Canada
- Volunteers
- 32 people
- Sponsor
- University Health Network, Toronto
Vision Loss Partial, Vision; Loss, Both Eyes
Effect of Visual Retraining After Stroke
This project is intended to collect data using standard clinical tests and psychophysics to quantify the effect of visual cortical damage on the structure of the residual visual system, visual perception, spatial awareness, and…
- Conditions
- Vision Loss Partial, Vision; Loss, Both Eyes, Hemianopia Homonymous, Hemianopia
- Trial name
- urochester (NCT06121219)
- Testing
- Training in the Blind Field
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Myopia, Quality of Life
Functional Vision and Quality of Life in a Modern Society - With Emphasis on Myopia and Cerebral Visual Impairment Among Youth
Society has become increasingly digital, and many everyday services have been replaced by digital self-service solutions. This puts greater demands on our vision and our ability to interpret what we see.
- Trial name
- NCT07653074
- Testing
- ophthalmological examination
- Where
- Sweden
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Region Örebro County
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
Age-Related Macular Degeneration, Geographic Atrophy
Multicenter Clinical Study of the SING-IMT in Patients with Late-stage AMD
The objective of this study is to determine the safety and effectiveness of the smaller incision, new generation (SING), implantable miniature telescope (IMT) in patients with moderate-severe central vision loss due to late-stage…
- Trial name
- CONCERTO (NCT05438732)
- Testing
- smaller incision, new generation implantable miniature telescope (SING-IMT)
- Where
- 10 sites in United States
- Volunteers
- 125 people
- Sponsor
- VisionCare, Inc.
Visual Impairment
Early Visual Functions in Patients at Risk of Developing Cerebral Visual Impairment. A Pilot Study
The aim of the study is to assess visual function from neonatal age to 36 months of age in infants at risk of visual impairment due to brain lesion or ocular pathology
- Trial name
- NCT05865093
- Where
- Italy
- Volunteers
- 700 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
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
Amblyopia, Amblyopia Unilateral
Non-invasive Induction of Metaplasticity for Amblyopia
The goal of this clinical trial is to determine the efficacy of flicker therapy as an adjunct therapy to treat amblyopia beyond the critical period in adolescents and adults aged 14-40 years who have amblyopia of ≥3 lines of…
- Conditions
- Amblyopia, Amblyopia Unilateral, Amblyopia, Anisometropic, Amblyopia Strabismic
- Trial name
- NIMA (NCT07846397)
- Testing
- Flicker
- Volunteers
- 10 people
- Sponsor
- Boston Children's Hospital
Central Visual Impairment, Macular Degeneration
Factors in Learning And Plasticity: Macular Degeneration
A greater understanding of plasticity after central vision loss can inform new therapies for treating low vision and has the potential to benefit millions of individuals suffering from low vision.
- Trial name
- FLAP (NCT05454124)
- Testing
- Training visual sensitivity, Combination training
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- University of Alabama at Birmingham
Glaucoma, Ocular Hypertension
Implementing AI-based Glaucoma Screening Within Federally Qualified Health Centers
The goal of this clinical trial is to learn if implementation of an eye screening program at Federally Qualified Health Center (FQHC) clinics provides results that participants may have glaucoma, and/or other eye conditions…
- Trial name
- AI-RONA (NCT06629649)
- Testing
- Glaucoma screening using an AI-algorithm and screening for diabetic retinopathy, cataract, and visual acuity impairment.
- Where
- United States
- Volunteers
- 1,800 people
- Sponsor
- University of Alabama at Birmingham
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
Visual Impairment, Cerebral Visual Impairment
Promoting Psychophysical Well-being in Children and Adolescents With Visual Impairment
Visual impairment (VI) has significant implications not only for visual functioning, but also for the motor development, psychological well-being, and social participation of children and adolescents.
- Conditions
- Visual Impairment, Cerebral Visual Impairment, Visual Impairments
- Trial name
- VIPPSTAR_UNITN (NCT07703150)
- Testing
- Adapted Physical Activity Programme
- Where
- Italy
- Volunteers
- 20 people
- Sponsor
- Università degli Studi di Trento
Giant Cell Arteritis, Visual Impairment
Visual Involvement in Giant Cell Arteritis
This observational study aims to enhance the description of the different ways Giant Cell Arteritis (GCA) affects vision. The latest technology and knowledge are used to improve how we diagnose and predict patient outcomes.
- Conditions
- Giant Cell Arteritis, Visual Impairment, Central Retinal Artery Occlusion, Anterior Ischemic Optic Neuropathy
- Trial name
- Visu-GCA (NCT06500728)
- Testing
- Fluorescein and Indocyanine green Angiography, High-resolution Optical Coherence Tomography, Angio-Optical Coherence Tomography
- Where
- Italy
- Volunteers
- 762 people
- Sponsor
- ASST Fatebenefratelli Sacco
Brain Injuries
Pilot Study of Individualized Neurovisual Rehabilitation Following Acquired Brain Injury
This prospective single-group pilot study will evaluate the feasibility and preliminary outcomes of an individualized neurovisual rehabilitation program for adults with visual impairment following acquired brain injury.
- Trial name
- NCT07849582
- Testing
- Individualized Neurovisual Rehabilitation
- Where
- Czechia
- Volunteers
- 30 people
- Sponsor
- Charles University, Czech Republic
Cortical Blindness, Stroke Ischemic
Mechanisms of Visual Restoration After Occipital Stroke
This project will collect brain imaging data to quantify the effects of early visual cortex damage and visual training interventions on the structure and function of the residual visual system.
- Conditions
- Cortical Blindness, Stroke Ischemic, Vision Loss Partial, Visual Fields Hemianopsia
- Trial name
- MOVROS (NCT07134777)
- Testing
- MRI
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Stroke, Ischemic, Quadrantanopia
Vision Loss Impact on Navigation in Virtual Reality
The purpose of this research is to better understand the impact of cortically-induced blindness (CB) and the compensatory strategies subjects with this condition may develop on naturalistic behaviors, specifically, driving.
- Conditions
- Stroke, Ischemic, Quadrantanopia, Hemianopsia, Homonymous, Hemianopia, Homonymous
- Trial name
- NCT06047717
- Testing
- Virtual Reality Driving Task
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Macular Degeneration, Central Visual Impairment
Remapping Text in Sentence and Word Tasks to Aid Reading With Central Vision Loss
Reading performance in patients with Central Vision Loss will be measured with and without missing text being remapped to different parts of the visual field in a variety of different reading tasks.
- Trial name
- NCT07216924
- Testing
- Personalised Remapping Training, RSVP personalized remappi, Reading text in the wild with remapping
- Where
- United States
- Volunteers
- 216 people
- Sponsor
- University of Minnesota
Cerebral Visual Impairment
Neurodevelopmental Outcomes in Cerebral Visual Impairment
Cerebral visual impairment (CVI) is one of the leading causes of pediatric visual impairment and negatively impacts the development of motor, language, and cognitive skills.
- Trial name
- CVI-ND (NCT07212010)
- Where
- United States
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati