Clinical trials: Visual Impairments, open to volunteers
Neurocognitive Deficit
Validation of MoCA-B and MoCA-Blind for Screening Cognitive Decline
The objective of this observational study is to assess the efficacy of two neuropsychological tests (MoCA-B and MoCA-Blind) in detecting cognitive decline in older adults.
- Trial name
- NCT07846839
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- Universidade Federal do Rio Grande do Norte
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
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
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
Vision Disorder, Stroke
Visual Impairment and Functional Visual Performance Following Acquired Brain Injury: A Cross-Sectional Study
This cross-sectional observational study aims to characterize acquired visual impairment in adults with acquired brain injury and to examine the relationship between objectively identified visual impairment and self-reported…
- Conditions
- Vision Disorder, Stroke, Brain Injuries
- Trial name
- NCT07858708
- Where
- Czechia
- Volunteers
- 108 people
- Sponsor
- Charles University, Czech Republic
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
Preterm Less Than 32wks With IVH, WMI/PVL, Late Preterm or Term (37-42wks) With Neonatal Encephalopathy Treated With Hypothermia for HIE
Cerebral/ Cortical Visual Impairment: Screening, Identification and Outcome Prediction in Neonates
Cerebral/Cortical Visual Impairment (CVI) is the leading cause of childhood visual impairment in the United States and other industrialized countries.
- Trial name
- CVI (NCT07275021)
- Testing
- Prospective Clinical and Neurodevelopmental Data Collection
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Brigham and Women's Hospital
Parkinson's Disease (PD)
Perception of Affordances and Obstacle Crossing in People With Parkinson's Disease and Healthy Adults
This study aims to explore how young adults, older adults and people with Parkinson's disease (PwP), perceive their abilty to cross obstacles while walking, and how this perception is related to their actual performance of…
- Trial name
- NCT06932679
- Testing
- Assessment of Gait and Visual Exploration
- Where
- Israel
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- University of Haifa
Vision Disorders, Diabetes
Implementing Artificial Intelligence to Prevent Vision Loss From Diabetes
This pragmatic clinical trial is being conducted to test the effectiveness of AI in improving screening and follow-up eye care compared to usual-care among patients with diabetes across 4 primary care clinics.
- Trial name
- NCT07559292
- Testing
- AI, Usual Practice
- Where
- United States
- Volunteers
- 1,700 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
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
Idiopathic Scoliosis
Characterization of Visual Perception Impairments in Patients With Idiopathic Scoliosis
Scoliosis is more than just a curve in the spine; it is a complex, 3D twisting of the backbone. While it can be caused by birth defects or tumors, the most common type-idiopathic scoliosis-appears in healthy teenagers for no…
- Trial name
- EYAIS (NCT07356999)
- Testing
- Motion Analysis
- Where
- France
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Centre Médico-Chirurgical de Réadaptation des Massues Croix Rouge Française
Presbyopia Correction, Visual Impairment and Blindness (Excl Colour Blindness)
Effect of Presbyopia Correction on Livelihood and Repayment Among Solar Customers in Western Region, Kenya
With age, people lose the ability to see things that are near them clearly. This is known as presbyopia. Although this is a normal ageing process, it can be corrected with near vision eyeglasses - colloquially known as reading…
- Conditions
- Presbyopia Correction, Visual Impairment and Blindness (Excl Colour Blindness), Repayment Behaviour, Livelihoods
- Trial name
- NCT06774183
- Testing
- Near vision glasses for presbyopia correction
- Volunteers
- 1,085 people
- Sponsor
- Dot Glasses Kenya
Health Knowledge, Intellectual Developmental Disorder
Easy-to-Read Content Effectiveness Evaluation
Individuals with intellectual disabilities face challenges in accessing medical services and health education due to communication barriers and limited support tools.
- Conditions
- Health Knowledge, Intellectual Developmental Disorder, Visual Impairment
- Trial name
- NCT07036575
- Testing
- Standard Visual Health Education, Easy-Read Instructor-Guided Education, Easy-Read Audio-Based Self-Learning
- Where
- Taiwan
- Volunteers
- 250 people
- Sponsor
- National Taiwan University Hospital
Visual Impairment, Cerebral Visual Impairment
Body Image, Identity Development, and Social Media Use Among Youth With Visual Impairment: A Single Case Intervention Study
1. Introduction This 3-week single case intervention study is funded by the Horizon Europe Research Program and is part of the VIPPSTAR project (Project 101156763 - VIPPSTAR "Visually Impaired children and adolescents: bridging…
- Conditions
- Visual Impairment, Cerebral Visual Impairment, Visual Impairments
- Trial name
- VIPPSTAR_G3KUL (NCT07741500)
- Testing
- Body image intervention
- Where
- 2 sites in Belgium
- Volunteers
- 15 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
AMD
Post-Approval Study of the Implantable Miniature Telescope
The objective of the PAS-01 study is to assess the safety of the intraocular as measured by the cumulative incidence of patients who within 5 years after implantation experience persistent vision-impairing corneal edema (corneal…
- Trial name
- PAS-01 (NCT01757132)
- Testing
- Implantable Miniature Telescope
- Where
- 16 sites in United States
- Volunteers
- 770 people, healthy volunteers welcome
- Sponsor
- VisionCare, Inc.
Bipolar Disorder (BD), Cognitive Impairment
TMS for Improving Cognitive Function in Bipolar Disorder
Bipolar disorder is a highly disabling psychiatric illness, and cognitive impairment is common in patients with bipolar depression as well as during remission, contributing substantially to functional disability and poorer…
- Trial name
- NCT07414147
- Testing
- Active Intermittent Theta Burst Stimulation, Online Cognitive Training
- Where
- China
- Volunteers
- 88 people
- Sponsor
- First Affiliated Hospital of Zhejiang University
Low Vision, One Eye, Unspecified Eye, Low Vision Blindness
Health Education vs Meditation in Irreversible Age-Related Vision Loss Patients and Their Caregivers
Investigators aim to assess the feasibility of delivering two augmentation interventions, Meditation and a Health Enhancement Program, for potentially enhancing the quality of life and mental health of Irreversible Age-Related…
- Trial name
- NCT03166072
- Testing
- Meditation, Health Enhancement Program
- Where
- Canada
- Volunteers
- 150 people
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Vision Loss Night, Vision Disorders
OPI-NXYDLD-303 Safety and Efficacy of Phentolamine Ophthalmic Solution in Keratorefractive Surgery Participants With Decreased Mesopic Visual Acuity
The goal of this clinical trial is to learn if Phentolamine Ophthalmic Solution works to treat adults that have had keratorefractive surgery and have decreased visual acuity under mesopic conditions.
- Trial name
- LYNX-3 (NCT07140783)
- Testing
- 0.75% Phentolamine Ophthalmic Solution
- Where
- 20 sites in United States
- Volunteers
- 580 people
- Sponsor
- Opus Genetics, Inc
Radiation Retinopathy, Visual Impairment
Intravitreal Faricimab Injections or Fluocinolone Acetonide (0.19 mg) Intravitreal Implants vs Observation for Prevention of VA Loss Due to Radiation Retinopathy
This randomized controlled trial will evaluate the effect of intravitreal faricimab or fluocinolone acetonide (FAc) intravitreal implant compared with observation on long-term visual acuity following treatment of choroidal…
- Trial name
- AL (NCT05844982)
- Testing
- Faricimab, fluocinolone acetonide
- Where
- 29 sites in United States
- Volunteers
- 600 people
- Sponsor
- Jaeb Center for Health Research
Demographic Profiles, Impairment Certificates
Patients Seeking a Visual Impairment Certificate
This study investigates the prevalence, causes, and demographic characteristics of patients seeking visual impairment certificates at Assiut Ophthalmology Hospital.
- Conditions
- Demographic Profiles, Impairment Certificates, Visual Impairment
- Trial name
- NCT06900855
- Volunteers
- 383 people
- Sponsor
- Assiut University