Clinical trials: Vision Disorder
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
Metamorphopsia
Comparison of Quantitative Metamorphopsia- Measurements in Patients With mCNV
The myopic CNV (mCNV) is a blood vessel neoplasm starting from the choroid, based on pathological myopia (severe myopia). Choroidal neovascularization secondary to pathological myopia is the most common cause of severe visual…
- Trial name
- NCT04112524
- Testing
- App
- Where
- Switzerland
- Volunteers
- 23 people
- Sponsor
- PD Dr. med. Katja Hatz
Blindness
Evaluation of the Efficacy of the BrainPort Vision Pro on the Performance of Daily Activities in the Profoundly Blind French Population
The purpose of the study is to evaluate the effectiveness and safety of the BrainPort® Vision Pro, an electronic oral assistive device, in the performance of daily tasks by French persons who have residual vision limited to light…
- Trial name
- NCT04725760
- Testing
- BrainPort Vision Pro
- Where
- 7 sites in France
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Wicab
Trauma, Infections
Ophthalmological Emergencies and COVID-19 Pandemia
To analyze how the COVID 19 pandemia has affected the patient's accesses to the Ophthalmological Emergency Department of a tertiary referral center in northern Italy, during the lockdown period.
- Conditions
- Trauma, Infections, Vision; Loss, Both Eyes
- Trial name
- NCT05065788
- Testing
- data collection
- Where
- Italy
- Volunteers
- 500 people
- Sponsor
- Università degli Studi dell'Insubria
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
Retinitis Pigmentosa (RP)
Retrospective Natural History Study of Retinitis Pigmentosa
This is natural history study of rods and cones degenerations in patients with Retinitis Pigmentosa (RP) caused by pathogenic mutations in RHO, PDE6A or PDE6B gene mutations.
- Trial name
- PHENOROD1 (NCT03975543)
- Where
- France
- Volunteers
- 113 people
- Sponsor
- SparingVision
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
Uveitis
Clinical Outcome in Uveitis
This study is aimed at investigating the long term clinical outcome of patients with uveitis.
- Trial name
- NCT01983488
- Where
- United Kingdom
- Volunteers
- 231 people
- Sponsor
- Moorfields Eye Hospital NHS Foundation Trust
Low Vision
Design and Clinical Evaluation of a Smartphone-based Low Vision Enhancement System
The primary objective is to compare the effectiveness and adverse side-effects of the virtual bioptic telescope and virtual projection screen in a new head-mounted video-based low vision enhancement system (LVES) with a wide…
- Trial name
- eLVES (NCT03728660)
- Testing
- Virtual bioptic magnification with large field of view, Full field magnification with small field of view
- Where
- United States
- Volunteers
- 88 people
- Sponsor
- Johns Hopkins University
Binocular Dysfunction, Vertical Heterophoria
Effects of Prismatic Spectacle Lenses on Symptoms of Dizziness, Headache and Anxiety as Caused by Vertical Heterophoria
The purpose of this study is to demonstrate whether, in patients diagnosed with Vertical Heterophoria, the symptoms of dizziness, headache and / or anxiety are reduced or eliminated when a kind of correction called vertical prism…
- Conditions
- Binocular Dysfunction, Vertical Heterophoria, Vision, Binocular, Vision Disparity
- Trial name
- NCT00785135
- Testing
- Lenses containing prismatic correction, Lenses not containing prismatic correction
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- Vision Specialists of Birmingham
Organic, Including Symptomatic, Mental Disorders, Substance Use
Exploring the Comorbidity Between Mental Disorders and General Medical Conditions
Mental disorders have been shown to be associated with a number of general medical conditions (also referred to as somatic or physical conditions).
- Conditions
- Organic, Including Symptomatic, Mental Disorders, Substance Use, Schizophrenia, Mood [Affective] Disorders
- Trial name
- COMO-GMC (NCT03847753)
- Testing
- Organic Disorders, Substance Use Disorders, Schizophrenia Disorders
- Volunteers
- 5,940,299 people
- Sponsor
- University of Aarhus
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
Vision Disorders, Reading Disabilities
Efficacy of Coloured Overlays and Lenses for Reading Difficulty
This is a randomised controlled trial with the aim of testing the efficacy of coloured overlays and coloured lenses for the relief of visual stress and reading difficulties in children and young adults.
- Trial name
- NCT02680223
- Testing
- Precision tinted lenses, Non-beneficial tinted lenses
- Where
- United Kingdom
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- City, University of London
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
Myopia
Effect of Using Myopia Prediction Algorithm on Myopia School-aged Children
In this study, the investigators aim to perform a prospective, randomized controlled study to compare the myopia development between myopia children using myopia prediction algorithm and myopia children without using myopia…
- Trial name
- NCT04045951
- Testing
- Myopia prediction algorithm
- Where
- China
- Volunteers
- 2,138 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen 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
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