Clinical trials: Vision, Subnormal
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
Visual Impairment, Refractive Error
Frequency of Visual Impairment Among School Children and Effectiveness of mHealth Referral Reminder on Uptake of Referral Services
This study tested whether mobile health (mHealth) tools can affect referral uptake among schoolchildren with vision problems.Visual impairment in children often goes untreated in low- and middle-income countries, even when…
- Trial name
- NCT06616051
- Testing
- Multicomponent SMS reminder
- Where
- Pakistan
- Volunteers
- 320 people, healthy volunteers welcome
- Sponsor
- Syed Fawad Mashhadi
Visual Impairment, Amblyopia
Developing Better Computerised Vision Tests (CVTV)
Clinical vision measurements usually involve printed charts with an eye care professional interpreting patient responses to generate a score. Those scores determine the need for or outcome of treatment.
- Conditions
- Visual Impairment, Amblyopia, Macular Degeneration, Ophthalmic Disease
- Trial name
- CVTV (NCT06224751)
- Testing
- Near logMAR letter acuity, Near LogMAR word acuity, Red Green Stereoacuity
- Where
- United Kingdom
- Volunteers
- 550 people, healthy volunteers welcome
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Healthy
Effectiveness of the Serious Game 'Broodles' for Siblings of Children With Visual Impairment and/or Intellectual Disability
The support for siblings of children with disabilities is scarce and fragmented, even though studies have shown that these siblings can benefit from support.
- Trial name
- NCT05376007
- Testing
- Serious game 'Broodles'
- Where
- Netherlands
- Volunteers
- 107 people, healthy volunteers welcome
- Sponsor
- VU University of Amsterdam
Cortical Visual Impairment, Visual Function
Exosomes Effect on Visual Function in CVI
The goal of this observational study is to learn about the effects of nazally applied exosome treatment on visual functions in children with Phase 1 Cerebral visual impairment (CVİ).
- Trial name
- NCT07492966
- Testing
- Molecularly matched therapy
- Where
- Turkey (Türkiye)
- Volunteers
- 32 people
- Sponsor
- Hatice Semrin Timlioglu İper
Blindness, Visual Impairment
iReach: a Rehabilitative Medical Device
The broad goal of this clinical trial is to demonstrate whether a one-month rehabilitative training with our medical device, iReach, can promote the recovery of spatial and sensorimotor abilities and the cortical reorganization…
- Trial name
- NCT06334614
- Testing
- iReach
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Istituto Italiano di Tecnologia
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
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
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
Visual Impairment
Cell Phone Application for Vision Assessment
The purpose of this study is to evaluate how visual acuity assessed with Peek Acuity (a cell phone application to check visual acuity) among preschool and school-aged children 3 to less than18 years of age (1) compares to the…
- Trial name
- NCT03212222
- Testing
- Peek Acuity, Standard Visual Screening
- Where
- United States
- Volunteers
- 111 people, healthy volunteers welcome
- Sponsor
- Duke University
Eye Diseases, Severe Loss of Vision
Holistic Mixed Approaches to Capture the Real Life of Children With Rare Eye Diseases
Rare Eye Diseases (RED) are the leading cause of severe visual impairment/ blindness (SVI/B) in children in Europe. This sensory disability with its accompanying psychological distress hugely impacts their lives and their…
- Conditions
- Eye Diseases, Severe Loss of Vision, Blindness, Quality of Life
- Trial name
- SeeMyLife (NCT06070467)
- Testing
- Mixed Methods Research (MMR) using quantitative (QUAN) and qualitative (QUAL) tools
- Where
- France
- Volunteers
- 154 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France
Visual Impairment, Amblyopia Suspect
DigiVis: Self-testing Vision App for Telephone Consultations
This trial aims to assess the accuracy and test-retest variability of a new digital app which enables community visual acuity testing without requirement of an trained examiner.
- Trial name
- NCT04482387
- Testing
- DigiVis visual acuity app
- Where
- United Kingdom
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Cambridge University Hospitals NHS Foundation Trust
Healthy, Teenagers
Effect of an Audio Instructional Program Regarding Puberty on Self-Concept and Healthy Behaviors of Teenage Girls With Visual Impairment
Background: Teenage girls, who are a vulnerable group, require special care and attention, particularly when puberty begins. A consistent teaching program about menstruation should be offered to adolescent girls with visual…
- Conditions
- Healthy, Teenagers, Girls, Self-concept
- Trial name
- Teen Audio (NCT07496606)
- Testing
- structured audio instructional program regarding puberty
- Where
- Palestinian Territories
- Volunteers
- 46 people
- Sponsor
- Al-Quds University
Cortical Visual Impairment
Remote Access: Cortical Visual Impairment
This study aims to compare the efficacy of an in-home telehealth-based intervention to standard care for children with cortical visual impairment and their caregivers and to assess the feasibility and acceptability of an in-home…
- Trial name
- NCT03957980
- Testing
- Occupational therapy
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Visual Impairment
Causes of Visual Impairment Among Patients Applying for the Visually Disability Certification
Causes of Visual Impairment Among Patients Applying for the Visually Disability Certification in Upper Egypt: A Retrospective Study
- Trial name
- NCT06518148
- Testing
- 1- uncorrected and best corrected visual acuity (UCVA and BCVA) by Snellen's-chart.2-slit lamp bio microscopy (Haag-Streit, USA).3-IOP measurements (Goldmann Applanation tonometer)
- Where
- Egypt
- Volunteers
- 2,000 people
- Sponsor
- New Valley University
Low Vision, Both Eyes
Virtual Reality-Base Intelligent Orientation and Mobility Specialists Trial
The human subject research is a randomized, controlled training trial that tests the effectiveness of three Virtual Reality-based Intelligent Orientation and Mobility Specialists (VR-IOMSs) in teaching orientation and mobility…
- Trial name
- VR-IOMS (NCT04639531)
- Testing
- Orientation and Mobility Training with VR-IOMSs, Orientation and Mobility Training with COMS, No Orientation and Mobility Training
- Where
- 2 sites in United States
- Volunteers
- 117 people
- Sponsor
- University of Alabama at Birmingham
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
Preterm Birth, Visual Impairment
Eye and Growth in Adolescents Born Moderate-to-late Preterm
During recent years, the interest in studying the risks of being born moderate-to-late preterm (MLP), defined as birth between gestational week 32 to 36, has increased.
- Conditions
- Preterm Birth, Visual Impairment, Eye Abnormalities
- Trial name
- NCT04190147
- Testing
- Structural, functional and metabolic eye examinations
- Where
- Sweden
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Vastra Gotaland Region
Retinal Dystrophies, Color Vision Defects
Natural History Study of Inherited Retinal Diseases
This prospective, observational investigation seeks to delineate the interplay between chromatic vision deficits and both functional visual outcomes and anatomical retinal biomarkers in individuals affected by Inherited Retinal…
- Conditions
- Retinal Dystrophies, Color Vision Defects, Vision Disorders, Macular Degeneration
- Trial name
- MojiLVCDT (NCT07085533)
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Zhongmou Therapeutics
Sensory Integration Disorder
Sensory Integration for Infants With Cortical Visual Impairment
Our study examines the effect of sensory integration training on sensory, motor and oculomotor skills in infants with cortical vision impairment .
- Trial name
- NCT05431647
- Testing
- Sensory integration therapy
- Where
- Turkey (Türkiye)
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Hacettepe University