Clinical trials: Visual Disorder
Cerebral Visual Impairment, Refractive and Accommodative Disorders
Babies in Glasses; a Feasibility Study.
This is a feasibility study to begin investigating the possibility that early use of near vision glasses will improve vision in infants at risk of Cerebral Visual Impairment (CVI), leading to further improvement in other areas of…
- Conditions
- Cerebral Visual Impairment, Refractive and Accommodative Disorders, Hypoxic-Ischemic Encephalopathy, Premature Birth
- Trial name
- BiG (NCT05048550)
- Testing
- Near vision spectacles
- Where
- United Kingdom
- Volunteers
- 55 people
- Sponsor
- Great Ormond Street Hospital for Children NHS Foundation Trust
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
Visual Impairment
MRI Screening for Auditory Pathway Malformations in Visually Impaired Children
This pilot study aims to assess the interest to add an auditory pathway morphological analysis during the MRI exploration of visual pathway in visually impaired children.
- Trial name
- DIMAVE (NCT02896738)
- Where
- France
- Volunteers
- 126 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Cerebral Palsy, Visual Impairment
Turkish Validity and Reliability of the Visual Function Classification System (VFCS)
Cerebral Palsy (CP) is the most common childhood disorder that occurs with a lesion in the developing infant brain, seen in 2-3/1000 live births.
- Conditions
- Cerebral Palsy, Visual Impairment, Visual Disorder, Cerebral Visual Impairment
- Trial name
- NCT05102955
- Testing
- Observational questionnaires
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people
- Sponsor
- Kahramanmaras Sutcu Imam University
Headache, Urinary Incontinence
Pediatric Patient Experience on a Diagnostic Path
The trial will determine the impact of an information- and education-focused interventions on the anxiety levels, and patients' experiences as well as satisfaction of patients aged 10-14 and their caregivers during the MR…
- Conditions
- Headache, Urinary Incontinence, Growth Deficiency, Visual Impairment
- Trial name
- NCT05199363
- Testing
- Information leaflet, Educational movie, Demonstration
- Where
- Poland
- Volunteers
- 300 people
- Sponsor
- Children's Memorial Health Institute, Poland
Autism Spectrum Disorder, Social Communication
Joint Attention-Based Occupational Therapy Intervention in Pre-Schoolers With Autism Spectrum Disorder
In order to support the development of preschool children, joint attention training with activities incorporated in their natural routines can support the achievement of occupational therapy goals.
- Conditions
- Autism Spectrum Disorder, Social Communication, Behavior Problem, Visual Perceptual Weakness
- Trial name
- NCT05106166
- Testing
- Occupational Therapy
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people
- Sponsor
- Hacettepe University
Refractive Errors, Visual Impairment
Trial of an Educational Intervention to Promote Spectacle Use Among Secondary School Children in Islamabad, Pakistan
This study is planned to test an educational intervention promoting the use of spectacles among secondary school children. It is based on the hypothesis that educating teachers, parents and children about the importance of…
- Trial name
- NCT03670303
- Testing
- Educational intervention
- Where
- 8 sites in Pakistan
- Volunteers
- 240 people
- Sponsor
- Isra University
Visual Disorder
Premavision Cohort Follow-up
This study aim at following a cohort of prematurely born infants at 18 months corrected age, 4 and 7 years of age. This cohort had an evaluation of visual maturation at term equivalent age (TEA) with factors associated with…
- Trial name
- PrmvsionSuiv (NCT03207477)
- Testing
- Visual acuity measurement
- Where
- France
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Central Hospital, Nancy, France
Refractive Error - Myopia Axial, Astigmatism
Refractive Accuracy of "2WIN" and Portable Autorefractors
Youth and some adults have photoscreening refractions and hand-held auto refraction before cycloplegia refraction during new and follow up eye examinations.
- Conditions
- Refractive Error - Myopia Axial, Astigmatism, Accomodation, Visual Impairment
- Trial name
- NCT04249505
- Testing
- "2WIN" Photoscreener, "Plusoptix A12", "Retinomax"
- Where
- United States
- Volunteers
- 708 people, healthy volunteers welcome
- Sponsor
- Alaska Blind Child Discovery
Loss of Visual Contrast Sensitivity, Near Vision
Visual Performance Following Implantation of Presbyopia Correcting IOLs
The purpose of the current study was to compare the visual performance after bilateral implantation of the Panoptix IOL , or the AT LISA IOL or Tecnis Symfony IOL .
- Conditions
- Loss of Visual Contrast Sensitivity, Near Vision, Visual Impairment
- Trial name
- NCT04907955
- Testing
- phacoemulsification with implantation of presbyopia correcting IOL
- Where
- Kuwait
- Volunteers
- 50 people
- Sponsor
- Dar Al Shifa Hospital
Development, Child, Motor Skills Disorders
Motor and Visual Development in 2 Year Olds
It is a study where investigators are going to measure variables related to motor development and vision through objective tests in children with typical development of two years of age.
- Conditions
- Development, Child, Motor Skills Disorders, Visual Disorder
- Trial name
- NCT04277754
- Testing
- Observational
- Where
- Spain
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Seville
Premature Retinopathy, Visual Impairment
Evaluation of Visual - Motor Development in Children With Retinopathy of Prematurity
The aim of this study was to investigate the eye structure, visual impairment, visual motor development and motor coordination of children between 2-6 ages that had applied to diod laser photocoagulation and intravitreal anti …
- Conditions
- Premature Retinopathy, Visual Impairment, Motor Delay
- Trial name
- NCT03865134
- Testing
- Snellen Test, Autorefractometer, Titmus Stereo Fly Test
- Where
- Turkey (Türkiye)
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- Istanbul Medipol University Hospital
Refractive Error, Visual Impairment
The Baltimore Reading and Eye Disease Study
The Baltimore Reading and Eye Disease Study (BREDS) is a two year study to determine the prevalence of vision problems in an early school age population with reading difficulty.
- Conditions
- Refractive Error, Visual Impairment, Convergence Insufficiency, Reading Disabilities
- Trial name
- BREDS (NCT02607384)
- Testing
- Eyeglass wearing, Orthoptic exercises, Specialist referral
- Volunteers
- 328 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
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
Visual Developmental Disorders
Tertiary Care for Visual Developmental Disorders in Pre-school Children
Visual development disorders are major public health problems among children especially in China. How to find an effective and economic way to manage the larger number of children in China remains exploring.
- Trial name
- NCT03251456
- Testing
- Tertiary care, Usual Care
- Where
- China
- Volunteers
- 1,114 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Bardet-Biedl Syndrome, Visual Impairment
Treatment of Bardet-Biedl-Syndrome With Metformin for Evaluation of a Possible Visual Improvement
In this prospective pilot study without control group children and young adults (10-25 years old) diagnosed with Bardet-Biedl syndrome and treated with Metformin for their adipositas will be evaluated for a possible additional…
- Trial name
- BBS (NCT03490019)
- Testing
- Metformin
- Sponsor
- University Hospital Tuebingen
Visual Pathway Disorder
Visual Stimulus Competition
In this study, we will use behavioral methods to investigate several types of interactions that occur when visual stimuli conflict, such as when objects are presented nearby to each other, or to separate eyes.
- Trial name
- NCT03741595
- Testing
- Item spacing
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Houston
Behavioral Dynamics, Visual Impairment
Behavioral Dynamics Between Infants With Visual Loss and Healthy Controls
An individual senses the world and reflects feedbacks via independent behaviors. Such precise collaboration of the sensory and behavioral systems is fundamental to survival and evolution.
- Trial name
- NCT03431207
- Testing
- Standardized video recording for behaviors
- Where
- China
- Volunteers
- 4,196 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Binocular Vision Disorder, Visual Impairment
Evaluation of Tests Performance on a New Digital Orthoptic Platform
This clinical trials aims to evaluate Tests Performance on a New Digital Orthoptic Platform.
- Trial name
- ESPPADON (NCT02651389)
- Where
- France
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- University Hospital, Brest