Clinical trials: Ocular Pathologies
Eye Diseases, Ophthalmic Trauma
Mitochondrial DNA in Vitreous Fluid and Blood in Patients With Eye Disease or Ocular Trauma.
This study is to characterize mitochondrial DNA (mtDNA) populations in adults with eye injuries and eye diseases. The eye exam is often hindered by the clouding of tissues involved in injury or disease.
- Conditions
- Eye Diseases, Ophthalmic Trauma, Mitochondrial DNA, Age Related Macular Degeneration
- Trial name
- NCT04334499
- Testing
- Sample collection from tissue discard
- Volunteers
- healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
Visual Deficiency, Congenital Blindness
VISIODOL: Validation of the VISIODOL® Scale
The aim of this study is to validate the VISIODOL® scale for screening of pain in people with visual impairment.
- Conditions
- Visual Deficiency, Congenital Blindness, Acquired Blindness
- Trial name
- VISIODOL (NCT03968991)
- Testing
- VISIODOL® (Diagnostic tool)
- Where
- France
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- University Hospital, Clermont-Ferrand
Refractive Errors
Clinical Evaluation of Acuity 200 (Fluoroxyfocon A) RGP Contact Lens
The objective of this clinical investigation is to collect valid scientific safety and effectiveness data on the Acuity 200 (fluoroxyfocon A) Rigid Gas Permeable Contact Lens, manufactured from a newly developed rigid gas…
- Trial name
- Acuity 200 (NCT03971227)
- Testing
- Acuity 200 (Fluoroxyfocon A) contact lens, Acuity 100 (Hexafocon A) contact lens
- Where
- 3 sites in United States
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- Acuity Polymers, Inc.
Hemianopia, Hemianopsia
Collision Warning Device for Blind and Visually Impaired
This study evaluates a novel collision warning device to help people with severe vision impairment or blindness avoid collisions with obstacles.
- Conditions
- Hemianopia, Hemianopsia, Peripheral Visual Field Defect, Blindness
- Trial name
- NCT03057496
- Testing
- Collision warning device
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Eye Pain
Study of the ETX-4143 2.0 Device in Subjects With Eye Pain
A prospective early-feasibility study to evaluate the safety and effectiveness of the ETX-4143 2.0 device. The device is intended to treat subjects with eye pain
- Trial name
- NCT06479382
- Testing
- ETX-4143 2.0
- Where
- 4 sites in Australia
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- EyeCool Therapeutics, Inc.
Idiopathic Inflammatory Demyelinating Disease, Multiple Sclerosis
Efficacy and Safety of Calculus Bovis Sativus (CBS) for Idiopathic Inflammatory Demyelinating Disease (CBSinIIDD)
According to the records of traditional Chinese medicine, CBS has the following functions: clearing the heart, resolving phlegm, promoting bile secretion, and calming the nerves.
- Conditions
- Idiopathic Inflammatory Demyelinating Disease, Multiple Sclerosis, Neuromyelitis Optica Spectrum Disorder, Myelin Oligodendrocyte Glycoprotein Antibody-associated Disease
- Trial name
- NCT06474520
- Testing
- Calculus bovis sativus (CBS)
- Where
- China
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Tongji Hospital
Spatial Neglect, Stroke
Virtual Reality for Neglect Diagnostics
Compared to the classical "paper and pencil"-tests, testing patients in our virtual reality setup might have a higher sensitivity and specificity.
- Trial name
- KMS-Neglect (NCT01399073)
- Testing
- virtual reality setup, paper and pencil tests, c-mri
- Where
- Germany
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Charite University, Berlin, Germany
Progressive Supranuclear Palsy
Pathophysiology of Gait and Posture in Progressive Supranuclear Palsy
The main hypothesis is that the gait and postural deficits in the Caribbean form of PSP may be associated with a dysfunction of the cerebral cortex, as they result from sub-cortical involvement in classical forms.
- Trial name
- Gait-PSP (NCT04096651)
- Testing
- gait recordings, brain magnetic resonance imaging, oculomotor movement recordings
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de la Guadeloupe
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
Normal Eyes and Ocular Pathology
Precision of OCT and OCTA-based Ocular Measurements
Precision of OCT- and OCTA-based Ocular Measurements
- Trial name
- NCT03859310
- Testing
- SD-OCT
- Where
- United States
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- Optovue
Anisocoria
Wearing-Off Period of Pharmacological Dilation and Anisocoria
Students at the School of Medicine Greenville will be asked to participate in this study. The aim of this study is to better understand when medical imaging is needed for patients with anisocoria (unequal pupil size).
- Trial name
- NCT05238233
- Testing
- Tropicamide, 1% Pilocarpine, Proparacaine Hydrochloride
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Prisma Health-Upstate
Atypical Parkinsonism
Epidemiology and Pathophysiology of Parkinsonism in the Caribbeans
The primary aim of this study is to estimate the frequency and to characterize clinically atypical parkinsonism in the French West Indies and Guyana.
- Trial name
- CAP (NCT03368300)
- Testing
- Clinical and biological exam
- Where
- 2 sites in French Guiana, Martinique
- Volunteers
- 550 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de la Guadeloupe
Retinitis Pigmentosa, Visual Impairment
Environmental Localization Mapping and Guidance for Visual Prosthesis Users
This study is driven by the hypothesis that independent navigation by blind users of visual prosthetic devices can be greatly aided by use of an autonomous navigational aid that provides information about the environment and…
- Conditions
- Retinitis Pigmentosa, Visual Impairment, Visual Prosthesis
- Trial name
- SLAM (NCT04359108)
- Testing
- Navigation system mode: Argus Vision, Navigation system mode: Depth Vision, Navigation system mode: Depth Vision with Haptic / Audio
- Where
- 2 sites in United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Age-Related Macular Degeneration, Choroidal Neovascularization
Value of Genetic Counseling and Testing for Patients Who Would Like to Know More About Their Personal Risk of AMD
The goals of this study are: To assess the impact of genetic testing based on how it alters behaviors, to assess the utility of serum biomarker measurement in combination with genetic testing, to assess the utility of genetic…
- Conditions
- Age-Related Macular Degeneration, Choroidal Neovascularization, Genetic Counseling
- Trial name
- NCT03024424
- Testing
- Early disclosure, Late disclosure
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Utah
Cycloplegia, Refractive Errors
Cycloplegic Refraction in Pediatric Patients With Esotropia
The primary outcome of this study is to compare cyclopentolate 1% and tropicamide 1% for cycloplegic refractions in pediatric populations with esotropia.
- Conditions
- Cycloplegia, Refractive Errors, Esotropia, Vision Disorders
- Trial name
- NCT06077682
- Testing
- Cyclopentolate, Tropicamide
- Where
- 2 sites in Jordan, Qatar
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Islamic Hospital, Jordan
Spinal Muscular Atrophy, Fragile X Syndrome
Early Check: Expanded Screening in Newborns
Early Check provides voluntary screening of newborns for a selected panel of conditions. The study has three main objectives: 1) develop and implement an approach to identify affected infants, 2) address the impact on infants and…
- Conditions
- Spinal Muscular Atrophy, Fragile X Syndrome, Fragile X - Premutation, Duchenne Muscular Dystrophy
- Trial name
- NCT03655223
- Testing
- Confirmatory Testing
- Where
- United States
- Volunteers
- 30,000 people, healthy volunteers welcome
- Sponsor
- RTI International
Synthetic Cannabinoid Abuse (Disorder), Eye Manifestations
Ocular Effects of Synthetic Cannabinoids
The goal of this observational study is to evaluate the ocular effects of Bonzai (synthetic cannabinoids) with spectral-domain optical coherence tomography.
- Trial name
- Bonsai (NCT06235346)
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Bezmialem Vakif University
Presbyopia, Low Vision
Development and Validation of a Digital Optotype for Near Vision in Greek Language.
Primary objective of our study is to develop and validate a computer-based digital near-vision optotype based on the Greek version of the print MNREAD.
- Conditions
- Presbyopia, Low Vision, Near Vision
- Trial name
- DeDART (NCT04242836)
- Testing
- MNREAD testing
- Where
- Greece
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
Dry Eye Disease
Concentration of Ofloxacin Into the Aqueous Humour of Patients With Dry Eye Disease
After topical installation of one drop of 0.3% commercially available ofloxacin (Oxatrex®) four times at intervals of 15min in catarract patients with Dry Eye Disease, aqueous humour samples will be collected intraoperatively…
- Trial name
- NCT05213156
- Testing
- Oxatrex
- Where
- Greece
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- University Hospital of Patras
Obesity, Myopia
Beijing (Peking)---Myopia and Obesity Comorbidity Intervention (BMOCI)
Based on the RE-AIM framework, this project intends to integrate the prevention and control measures of myopia and obesity, and establish a set of key suitable technical packages and guarantee systems for the…
- Trial name
- NCT05275959
- Testing
- A cluster randomized trial of a comprehensive intervention nesting family and clinic into school centered implementation to reduce myopia and obesity among children and adolescents in Beijing, China
- Where
- 3 sites in China
- Volunteers
- 3,963 people, healthy volunteers welcome
- Sponsor
- Peking University