Clinical trials: Visual Impairments, active
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
Vision Impairment, Eye Diseases
The Proactive Ophthalmic Examination Cohort
The Proactive Ophthalmic Examination Cohort of Older Adults is a prospective cohort study recruiting community-dwelling older adults aged 65 years or older.
- Trial name
- POEC (NCT05851287)
- Where
- China
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Retinal Degeneration, Vision Impairment and Blindness
Multicenter Study of Transcranial Magnetic Stimulation on Vision Restoration
The goal of this clinical trial is to learn if transcranial magnetic stimulation (TMS) works to restore vision in adults with severe retinal degeneration. It will also learn about the safety of TMS treatment.
- Trial name
- NCT07425717
- Testing
- Transcranial magnetic stimulation targeting occipital visual cortex
- Where
- 4 sites in China
- Volunteers
- 136 people
- Sponsor
- Shanghai High Myopia Study Group
Age-Related Macular Degeneration, Wet Age-related Macular Degeneration
User-centric Study of Patients' Receptiveness Towards the Web-based Automated Vision Impairment Gaze-tracking Analysis Systems
Age-Related Macular Degeneration (AMD) is the leading cause of central vision loss among older adults worldwide. Patients with AMD often require frequent monitoring of visual function and disease progression, typically through…
- Trial name
- AVIGA-SURVEY (NCT07338513)
- Where
- Singapore
- Volunteers
- 30 people
- Sponsor
- Tan Tock Seng Hospital
Cognition Disorders
Impact of Glasses for Vision Problems on Cognitive Function in Rural Older Adults
The aim of this project is to explore whether vision correction can effectively slow cognitive decline in older adults. The primary question it seeks to answer is: Can providing free near and/or distance vision correction glasses…
- Trial name
- CLEVER (NCT06836440)
- Testing
- Free Prescription Glasses
- Where
- China
- Volunteers
- 964 people, healthy volunteers welcome
- Sponsor
- Yuju Wu
Corneal Astigmatism
Treatment of Vision Disturbances Due to Corneal Irregularities by Trans-epithelial Optical Phototherapeutic Keratectomy (TE-oPTK)
This study sets out to evaluate the EpiMaster application software for use in predicting the refractive change induced by a trans-epithelial phototherapeutic keratectomy (TE-PTK) procedure in eyes with irregularly irregular…
- Trial name
- NCT03841253
- Testing
- Trans-epithelial PTK, Trans-epithelial PTK (retrospective data collection), EpiMaster Application Software
- Where
- United Kingdom
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- London Vision Clinic
Visual Impairment, Hearing Loss
Survey of Sensory Impairment Indicators Among Adults Aged 65 Years and Older in Xinxing County
This cross-sectional population-based survey will be conducted among residents aged 65 years and older in Xinxing County, Yunfu, Guangdong Province, China.
- Conditions
- Visual Impairment, Hearing Loss, Dual Sensory Impairment, Cataract
- Trial name
- NCT07694505
- Where
- China
- Volunteers
- 2,854 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Neuro-ophthalmological Conditions
Understanding Vision Problems Linked to the Brain and Nerves in People Seen at Our Eye Clinic
The reason for the recognised lack of epidemiological data of all NO conditions presenting to eye departments is attributed to the fact that they often fall in the grey zones between neuro-ophthalmologists, neurosurgeons and…
- Trial name
- ESNOPED-UK (NCT07711886)
- Testing
- No Intervention: Observational Cohort
- Volunteers
- 840 people
- Sponsor
- The Royal Wolverhampton Hospitals NHS Trust
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
Mild Cognitive Impairment
Olfactory Training in Mild Cognitive Impairment
Sense of smell tends to decline in individuals with early Alzheimer's disease, typically earlier than when other senses and thinking abilities begin to decline.
- Trial name
- OTMCI (NCT06825403)
- Testing
- Olfactory Memory Training, Visual Memory Training
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Jeffrey Motter
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
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
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
Schizophrenia, Schizoaffective Disorder
NEURO-COGS: Neurometabolic Mechanisms of Cognitive Training in Schizophrenia
This study will examine brain metabolic and excitatory/inhibitory mechanisms related to cognitive and visual functioning in adults with schizophrenia and healthy control participants.
- Conditions
- Schizophrenia, Schizoaffective Disorder, Cognitive Impairment, Visual Impairment
- Trial name
- NCT07788755
- Testing
- Perceptual Discrimination Training, Cognitive Control Training
- Where
- United States
- Volunteers
- 168 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Optic Neuritis
Privosegtor Investigation in Optic Neuropathies Efficacy Evaluation Research
The goal of this clinical trial is to evaluate the safety and efficacy of privosegtor, a neuroprotective candidate, in patients diagnosed with optic neuritis (ON).
- Trial name
- PIONEER-1 (NCT07623668)
- Testing
- Privosegtor, Methylprednisolone
- Where
- 4 sites in United States
- Volunteers
- 210 people
- Sponsor
- Oculis
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
Retinal Disease, Macular Degeneration
Safety & Efficacy of Eyecyte-RPE™ in Patients With Geographic Atrophy Secondary to Dry Age-related Macular Degeneration.
The goal of this clinical study is to evaluate the safety and efficacy of novel stem cell formulation in patients having Geographic Atrophy (GA) Secondary to Dry Age-related Macular Degeneration (d-AMD).
- Conditions
- Retinal Disease, Macular Degeneration, Age-Related Macular Degeneration, Geographic Atrophy
- Trial name
- NCT06394232
- Testing
- Eyecyte-RPE™
- Where
- 3 sites in India
- Volunteers
- 54 people
- Sponsor
- Eyestem Research Pvt. Ltd.
Macular Degeneration, Diabetic Retinopathy
Iopidine to Decrease Intraocular Pressure Rise After Injections
This is a prospective, randomized, controlled, open-label, single-site investigator-initiated clinical trial. A total of 120 participants will be randomized in a 1:1 ratio either to receive one drop of apraclonidine 1% ophthalmic…
- Conditions
- Macular Degeneration, Diabetic Retinopathy, Retinal Vein Occlusion, Glaucoma
- Trial name
- NCT07891910
- Testing
- Apraclonidine 1.0% ophthalmic solution
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- Retina Consultants of Delmarva