Clinical trials: Ocular Pathologies
Overweight and Obesity
Accessible Weight Loss for Adults With Low Vision: A Feasibility Study
This study will examine the feasibility of an all-remote approach to enrollment in and implementation of an 8-week weight loss program for adults with low vision.
- Trial name
- NCT05419063
- Testing
- weight loss strategies, text-based and email feedback
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Towson University
Cervical Dystonia, Primary, Blepharospasm
Analysis of Gait Before and After Botulinum Toxin Treatment in Patients With Focal Dystonia
Efficient gait requires effective postural control, both static and dynamic. Hence, postural disorders may affect gait. Yet, very little is known about the specific effects of focal postural disorders such as cervical dystonia…
- Trial name
- GAIT-TOX (NCT03938363)
- Testing
- Treadmill, Botulinum Toxin injection, Severity scale of the disease
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Cataract
Intraocular Steroid After Cataract Surgery Study
The use of one dose of an antibiotic and steroid injected into the eye at the end of cataract surgery is as safe and effective as the post operative use of eyedrops after cataract surgery.
- Trial name
- NCT00478764
- Testing
- intraocular triamcinolone and gatifloxicin
- Where
- United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Dean Health System
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
Parkinsonian Syndrome, Parkinson Disease(PD)
A Study to Evaluate the Diagnostic Efficacy of DaTSCAN™ Ioflupane (123I) Injection in Single Photon Emission Computed Tomography (SPECT) for the Diagnosis of Parkinsonian Syndrome (PS) in Chinese Patients
This is a multicenter, open-label, non-controlled, non-randomized, phase 3 clinical study to compare the SPECT findings after a single IV administration of DaTSCAN™ ioflupane (123I) injection for patients with a clinical…
- Conditions
- Parkinsonian Syndrome, Parkinson Disease(PD), Multiple System Atrophy (MSA), Progressive Supranuclear Palsy (PSP)
- Trial name
- NCT04193527
- Testing
- DaTSCAN™ Ioflupane (123I) Injection
- Where
- 10 sites in China
- Volunteers
- 172 people, healthy volunteers welcome
- Sponsor
- GE Healthcare
Physical Activity
Which Physical Activity Influences Achilles Tendon Blood Flow the Most?
Previous studies have shown that a decreased blood flow is a risk factor in the occurrence of Achilles tendon (AT) injuries. Based on the current literature, no consensus was reached as to the most solid warming-up of the AT.
- Trial name
- NCT03218605
- Testing
- physical activity
- Where
- Belgium
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Ghent
Periodontitis, Metabolic Syndrome
Periodontitis Provokes Retinal Neurodegenerative Effects of Metabolic Syndrome: A Cross-Sectional Study
This cross-sectional study aimed to investigate the retino-choroidal degenerative effects of periodontitis, metabolic syndrome (Mets), and the combination of these diseases using optical coherence tomography (OCT) measurements.
- Conditions
- Periodontitis, Metabolic Syndrome, Neurodegeneration, Oxidative Stress
- Trial name
- NCT06638580
- Testing
- Clinical Periodontal Measurements (plaque index, gingival index, bleeding index, clinical attachment level), Optical Coherence Tomographic Measurements, Serum IL1-β, TNF-α, IL-10, TAS, TOS, OSİ levels
- Where
- Turkey (Türkiye)
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Recep Tayyip Erdogan University
Weight Loss
Study to See How Low Level Laser Light Affects Subcutaneous Fat Around the Hips and Waist
The purpose of this pilot study is to demonstrate the anatomical modulation of subcutaneous fat across the waist and hips that occurs through application of the Erchonia® ML Scanner (MLS) Laser manufactured for non-invasive body…
- Trial name
- NCT01292564
- Testing
- Erchonia MLS
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Erchonia Corporation
Blindness, Visual Impairment
The Impact of the Years of Blindness on Sleep and Dreaming Processes and the Relationships With Spatial Abilities
This study aims to assess the impact of blindness on sleep and dreaming processes and the relationship with spatial perceptual performance, examining the link with clinical and psychological indices, neurobiological features, and…
- Trial name
- NCT06631807
- Where
- Italy
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Istituto Italiano di Tecnologia
Infectious Disease, Neoplasms
AnovaOS Network Powered Patient Registry
The objective of this study is the development, implementation and management of a registry of patient data that captures clinically meaningful, real-world, data on the diagnosis, nature, course of infection, treatment(s) and…
- Conditions
- Infectious Disease, Neoplasms, Diseases of the Blood and Blood-Forming Organs and Certain Disorders Involving the Immune Mechanism (D50-D89), Endocrine, Nutritional and Metabolic Diseases (E00-E89)
- Trial name
- NCT05013944
- Where
- United States
- Volunteers
- 100,000 people, healthy volunteers welcome
- Sponsor
- Anova Enterprises, Inc
Vision-Threatening Retinal Lesions, Urgent Referral Retinal Findings
Artificial Intelligence-Assisted Lesion-Based Urgent Referral Triage of Ultra-Widefield Retinal Images
his study evaluates the clinical utility of an artificial intelligence (AI)-assisted lesion-based urgent referral triage system for ultra-widefield (UWF) retinal images.
- Conditions
- Vision-Threatening Retinal Lesions, Urgent Referral Retinal Findings, Retinal Detachment, Pre-retinal Hemorrhage
- Trial name
- ALERT-UWF (NCT07643129)
- Testing
- AI-Assisted UWF Lesion-Based Triage System, Unassisted Interpretation
- Where
- China
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Xiamen Ophthalmology Center Affiliated to Xiamen University
Ophthalmopathy, Artificial Intelligence
Validation of the Utility of an Intelligent Visual Acuity Diagnostic System for Children
Visual development during early childhood is a vital process. Examining the visual acuity of children is essential for the early detection of visual abnormality, but performing such an assessment in children is challenging.
- Trial name
- NCT03766737
- Testing
- An intelligent visual acuity diagnostic system for children
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Visual Impairment, Age-Related Macular Degeneration
A Virtual Reality Platform Simulating Visual Impairment for Testing of Electronic Travel Aids and Performing Orientation and Mobility Training
In this study, the study team utilize virtual reality (VR) to simulate visual impairments of different types and severity in healthy subjects.
- Conditions
- Visual Impairment, Age-Related Macular Degeneration, Diabetic Retinopathy, Glaucoma
- Trial name
- NCT05135195
- Testing
- In-House Developed VR Platform - AMD, DR, Glaucoma, In-House Developed VR Platform - Glaucoma
- Where
- United States
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- NYU Langone Health
Extrapyramidal Symptoms, Drug-induced Parkinsonism
A Computer-Assisted Tool for Objective Assessment of Extrapyramidal Symptoms
This prospective, single-center observational study aims to develop and validate a computer-assisted tool for the objective quantitative assessment of extrapyramidal symptoms (EPS).
- Conditions
- Extrapyramidal Symptoms, Drug-induced Parkinsonism, Akathisia, Drug-Induced, Tardive Dyskinesia (TD)
- Trial name
- NCT07715994
- Testing
- Computer-Assisted Objective Assessment of Extrapyramidal Symptoms
- Where
- China
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Shanghai Mental Health Center
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
Retinal Disease, Visual Impairment
Repeatability of Electroretinogram and Visual Evoked Potential
To assess repeatability of electroretinogram and visual evoked potential in clinical practice
- Conditions
- Retinal Disease, Visual Impairment, Vision Disorders
- Trial name
- NCT05334875
- Testing
- Electroretinogram (ERG), Visual evoked potential (VEP)
- Where
- Egypt
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Benha University
Manual Dexterity
Validation and Test-retest Study of the Star-shaped Manual Dexterity Test.
The purpose of this study is to measure test-retest reliability and validate the star shaped test of manual dexterity. The purpose of this is to see if there is any significant learning effect, and if the test can discriminate…
- Trial name
- NCT02146443
- Testing
- Stretched arm test, Stress, Star shaped manual dexterity test
- Where
- Denmark
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Herlev Hospital
Corneal Neovascularization, Neutrophils
Correlation Between a Novel Subset of Neutrophil and Corneal Neovascularization.
The purpose of this study is to determine whether a novel subset of neutrophils is correlated with corneal neovascularization in the patients suffered from ocular chemical injury.
- Trial name
- NCT05659940
- Where
- China
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Rhegmatogenous Retinal Detachment of Both Eyes (Diagnosis)
Characters of Epiretinal Membranes in Patients With Previous Vitrectomy for Retinal Detachment
31 patients were included in the study,15 cases with ERM in silicone filled eyes and 16 eyes with idiopathic ERM
- Trial name
- RD (NCT04288440)
- Testing
- Surgery, Vitrectomy machine
- Where
- Egypt
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Tanta University
Meibomian Gland Dysfunction, Dry Eye Disease
Refractory Meibomian Gland Dysfunction and Plasma Jet
PURPOSE: The investigators propose a new treatment for refractory Meibomian Gland Dysfunction (MGD) patients with plasma jet to remove the hyperkeratinization layer from the lid margin to unblock terminal gland ducts and use…
- Conditions
- Meibomian Gland Dysfunction, Dry Eye Disease, Evaporative Dry Eye, Inflammation
- Trial name
- NCT04608942
- Testing
- Jett Plasma Medical Lift, Mechanical Debridement
- Where
- 2 sites in Brazil
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Federal University of São Paulo