Clinical trials: Visual Function
Blindness
Enhanced Tactile Memory in the Blind
This study will determine if the brain regions in blind people that would normally be involved in vision are used instead to remember touch.
- Trial name
- NCT00076700
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Turner's Syndrome
An Open-Label, Multi-centre, Phase III Study of Local Tolerability of ZOMACTON 10MG
Children with growth failure due to inadequate secretion of growth hormone or growth retardation due to Turner's syndrome are individually dosed and treated for 12 weeks
- Trial name
- NCT00250250
- Testing
- ZOMACTON
- Where
- 6 sites in Czechia, France and 1 more
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Ferring Pharmaceuticals
Ametropia
Ocular Responses to Short and Long-term Lens Wear
The purpose of this study was to determine whether ocular surface sensitivity to pneumatic, mechanical and chemical stimulation would be affected by the use of the combination of a specific silicone hydrogel lens material with…
- Trial name
- NCT00722891
- Testing
- Purevision Lenses with ReNu Multiplus, Purevision Lenses with Optifree RepleniSH
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Bausch & Lomb Incorporated
Amblyopia
New Visual Acuity and Crowding Tests for Better Detection of Amblyopia
Amblyopia, or 'lazy eye', is the reduction in vision usually in one eye, due to abnormal visual development without organic cause.
- Trial name
- NCT03505606
- Testing
- Visual acuity tests
- Where
- United Kingdom
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Anglia Ruskin University
Glaucoma, Healthy
Cause of Pigment Dispersion Syndrome
The purpose of this study is to learn how pigment is released from the iris (the colored part of the eye) in patients with pigment dispersion syndrome.
- Conditions
- Glaucoma, Healthy, Pigment Dispersion Syndrome
- Trial name
- NCT00005919
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Adolescents and Children, Axial Elongation
Naked Eye 3D Vision Training for the Prevention and Control of Myopia in Adolescents and Children
The study used children aged 6-18 as subjects to evaluate the efficacy and safety of naked eye 3D vision training for the prevention and control of myopia in adolescents.
- Conditions
- Adolescents and Children, Axial Elongation, Naked Eye 3D Vision Training, Visual Function
- Trial name
- NCT05468775
- Testing
- Naked eye 3D vision training
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Amblyopia, Myopia
Performance of a Photoscreener for Vision Screening in a Haitian Pediatric Population
Screening of haitian children between the ages of 3 and 6 years old for amblyogenic risk factors with the use of the Spot photoscreener. The photoscreener results will be compared to the complete ophthalmologic evaluation.
- Conditions
- Amblyopia, Myopia, Hyperopia, Astigmatism
- Trial name
- POPH (NCT02655432)
- Testing
- Spot photoscreener, Ophthalmologic evaluation, Cyclopleged refraction
- Where
- 3 sites in Haiti
- Volunteers
- healthy volunteers welcome
- Sponsor
- Université de Montréal
Vestibulo-Ocular Reflex, Esports Participation
Comparison of Vestibulo-Ocular Reflex and Cognitive Functions in E-Athletes and Non-Athletes
This study aims to compare cognitive functions and functional vestibulo-ocular reflex (VOR) between e-athletes and non-athletes.
- Conditions
- Vestibulo-Ocular Reflex, Esports Participation, Cognitive Functioning
- Trial name
- NCT07211191
- Where
- Turkey (Türkiye)
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Yusa Basoglu
Demyelinating Disease
Pharmacological Recruitment of Endogenous Neural Precursors to Promote Pediatric White Matter Repair: Establishing Correlations Between Visual Outcomes, Saccadic Function and MEG Oscillations in Children With Demyelinating Disorders in Comparison to Healthy Control Children
The neural circuits in our brains require a layer of insulation in order to transmit signals in a rapid and efficient fashion. This insulation is called White Matter and is comprised of a specific type of brain cell called an…
- Trial name
- NCT03010826
- Where
- 2 sites in Canada
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- The Hospital for Sick Children
Chronic Pain, Chronic Pain Syndrome
Outcomes Mandate National Integration With Cannabis as Medicine
This will be a multistate, multicenter clinical study to determine the efficacy and safety of medical cannabis for a wide variety of chronic medical conditions.
- Conditions
- Chronic Pain, Chronic Pain Syndrome, Chronic Pain Due to Injury, Chronic Pain Due to Trauma
- Trial name
- OMNI-Can (NCT03944447)
- Testing
- Cannabis, Medical, RYAH-Medtech Inhaler
- Where
- 17 sites in United States
- Volunteers
- 200,000 people, healthy volunteers welcome
- Sponsor
- OMNI Medical Services, LLC
Diabetes Mellitus, Type 1, Monogenic Diabetes
Monogenic Diabetes Misdiagnosed as Type 1
The study has two aims: 1. To (1a) determine the frequency of monogenic diabetes misdiagnosed as type 1 diabetes (T1D) and (2) to define an algorithm for case selection. 2.
- Conditions
- Diabetes Mellitus, Type 1, Monogenic Diabetes, Neonatal Diabetes, Maturity-onset Diabetes in the Young (MODY)
- Trial name
- ADDAM (NCT03988764)
- Testing
- None AHT
- Where
- Canada
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- McGill University Health Centre/Research Institute of the McGill University Health Centre
Brain (Nervous System) Cancers, Brain Arterial Disease
A Vision-Language Foundation Model for Brain Disease Diagnosis From Multimodal Data
The goal of this observational study is to develop an innovative, comprehensive, and explainable AI vision-language foundation model (VLM) to advance the diagnosis and interpretation of brain diseases using multi-modal data.
- Conditions
- Brain (Nervous System) Cancers, Brain Arterial Disease, Neuro-Degenerative Disease, Brain Tumors
- Trial name
- NCT07126821
- Testing
- No Interventions
- Where
- China
- Volunteers
- 100,000 people, healthy volunteers welcome
- Sponsor
- Xiangya Hospital of Central South University
Amblyopia, Healthy
Amblyopia and Stereoptic Games for Vision
Amblyopia is the most common developmental vision disorder in children, caused by abnormal visual experience in early life, especially a difference in refraction between the eyes, a misalignment of the eye axes, a combination of…
- Trial name
- AMBER (NCT05114252)
- Testing
- Vivid Vision Home, Refractive error correction
- Where
- Switzerland
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Pawel Matusz, PhD
Vision
Does the VTS1000 Infra Red Vein Imager Allow Better Identification of Veins Than Normal Eyesight?
VueTek has developed a head mounted device that will improve the viewing of superficial, subcutaneous vasculature, differentiating it with higher contrast from surrounding tissue.
- Trial name
- VFvalidation (NCT01138228)
- Where
- United States
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- St. Luke's-Roosevelt Hospital Center
Convergence Insufficiency
A Randomized Trial of Base-in Prism Reading Glasses Convergence Insufficiency in Children
This study is designed to compare the use of special prism glasses to placebo treatment for children with symptomatic convergence insufficiency.
- Trial name
- NCT00347581
- Testing
- Base-in prism glasses for reading
- Where
- 10 sites in United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Pennsylvania College of Optometry
Myopia, Amblyopia
Myopia Control With Three Lever Irradiance of PBM Therapy in Children and Adults
Photobiomodulation therapy, that is, Low-level red-light technology provides a new and innovative myopia control approach. This strategy enables relatively high energies of light to be delivered at much shorter durations of…
- Conditions
- Myopia, Amblyopia, Refractive Error - Myopia Axial, Ametropia
- Trial name
- MCPT (NCT05957458)
- Testing
- Airdoc device of red light for Myopia
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Beijing Airdoc Technology Co., Ltd.
Neurofibromatosis Type 1 (NF1), NF2-related Schwannomatosis
How Can the Experience of Hospital Outpatient Departments be Improved?
This project aims to improve outpatient departments by working with patients and staff to make these spaces more inclusive for people with sensory challenges (it focuses on people with nerve tumour conditions as they are more…
- Trial name
- NCT07818213
- Testing
- Qualitative data collection activities
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- King's College London
Amblyopia
Efficacy of Visual Screening in Ontario
Amblyopia (lazy eye), is the leading treatable cause of vision loss in childhood. Uncorrected refractive errors (ie farsightedness) can lead to difficulties in school.
- Trial name
- NCT02458846
- Testing
- Crowded HOTV Acuity Test, Preschool Randot Stereoacuity Test, Plusoptix Autorefractor
- Where
- Canada
- Volunteers
- 2,597 people, healthy volunteers welcome
- Sponsor
- The Hospital for Sick Children
Healthy Volunteer
Brain Bases of Natural Scenes's Visual Perception of Natural Scenes
Using the available data from psychophysics, cellular electrophysiology and functionnal neuroanatomy of visual pathway, current models of visual recognition suppose that the perception of scenes start with a parallel extraction…
- Trial name
- SCENES (NCT02840305)
- Testing
- Evaluation of visual function, Magnetic Resonance Imaging
- Where
- France
- Volunteers
- 141 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Limbal Dermoid
Visual Quality and Contrast Sensitivity Function for Limbal Dermoid Children After Corneal Transplantation
This study is to inquiry the contrast sensitivity function in the 50 eyes of limbal dermoid children with keratoplasty with quick contrast sensitivity function (quick CSF) test, as well asa to analyze its relationship between…
- Trial name
- NCT03447041
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University