Clinical trials: Visual Disorder
Dental Fluorosis
Clinical Evaluation of Different Minimal Invasive Treatment Modalities of Mild to Moderate Dental Fluorosis Using A Visual Analog Scale
This study was conducted for clinical evaluation of the quality of different minimal-invasive treatment modalities and combination treatments in esthetics improvement of mild to moderate fluorosed teeth using two different…
- Trial name
- NCT05051748
- Testing
- Opalescence™ boost™ PF 40%, Opalustre™, MI-Paste Plus®
- Where
- Egypt
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Suez Canal University
Retinal Diseases, Fuchs Endothelial Dystrophy
DISCOVER Study: Microscope-integrated Intraoperative OCT Study
Optical coherence tomography (OCT )provides high resolution information regarding the anatomic structure of the tissues of the eye in a cross-sectional and 3 dimensional view.
- Conditions
- Retinal Diseases, Fuchs Endothelial Dystrophy, Macular Hole, Epiretinal Membrane
- Trial name
- DISCOVER (NCT02423213)
- Where
- United States
- Volunteers
- 2,911 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
Visual Pathway Disorder, Glaucoma
Assessment of Visual Function in Ophthalmic Disorders Using Virtual Visual Field Analysis
1. To evaluate the accuracy of virtual visual field (VVF) headsets equipped the standard visual field software in its ability to assess visual function in various retinal, glaucoma and neuro-ophthalmic disorders by comparing…
- Conditions
- Visual Pathway Disorder, Glaucoma, Retinal Disease
- Trial name
- proVVF (NCT04110015)
- Testing
- virtual visual field
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- New York City Health and Hospitals Corporation
OAG - Open-Angle Glaucoma, OHT - Ocular Hypertension
Effects of Netarsudil and Timolol on Retinal Blood Vessel Density and Visual Acuity
The purpose of this research study is to compare the effect of Netarsudil and Timolol on eye pressure and blood vessels of the back of the eye.
- Trial name
- NCT04064918
- Testing
- Netarsudil 0.02% QD, Timolol maleate 0.5% BID
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of California, San Diego
Amblyopia
Light-deprivation Utilized to Mitigate Amblyopia
Amblyopia is an impairment in spatial vision caused by asymmetry in the quality of visual input across the two eyes during childhood.
- Trial name
- LUMA (NCT02685423)
- Testing
- Binocular deprivation 10 days, Vision training
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- State University of New York College of Optometry
Breast Cancer
Narrative Visualization for Breast Cancer Survivors' Physical Activity
This study tests the feasibility and acceptability of a physical activity intervention that combines use of a wearable activity monitor with a scrapbook.
- Trial name
- NCT03612596
- Testing
- Narrative visualization, Standard self-regulation
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
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
Cataract
Evaluation of a Monofocal Intraocular Lens
The aim of this study is to investigate the 3-month visual performance of the CT LUCIA 621P IOL, a hydrophobic aspheric monofocal IOL with a non-constant aspheric optic profile in adult patients 50 years of age or older who are…
- Trial name
- PRECISE (NCT06428955)
- Testing
- CT LUCIA 621P
- Where
- 3 sites in United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Carl Zeiss Meditec AG
Labor Pain
The Effect of Sacral Massage on Labor
Nonpharmacologic pain control methods, which are increasingly becoming widespread in coping with the labour pain, are the methods that allow women to completely relax without using any medication and direct them to perceive the…
- Trial name
- NCT03755284
- Testing
- Sacral Massage
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Semra Çevik, phD
Keratoconus
Comparative Analysis of the Visual Performance After TICL Implantation in Patients With Stable Keratoconus
To report on 4-year postoperative safety, efficacy, stability and predictability outcomes(to evaluate the visual, refractive, contrast sensitivity, defocus curve and aberrometric data preoperation, and compare with a similar…
- Trial name
- TICL (NCT02833649)
- Testing
- Toric Implantable collamer Lens
- Where
- Iran
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University
Acute Stroke
Investigation of the Reliability and Validity of the Movement Imagination Questionnaire - Revised Second in Acute Stroke Patients
Our study was planned to investigate the reliability validity of the Movement Imagery Questionnaire- RS in acute stroke patients.
- Trial name
- NCT04283760
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Macular Degeneration, Geographic Atrophy
A Prospective Observational Study to Assess the Reliability and Validity of the MLSDT
The goal of this observational study is to assess the reliability and validity of the 9-object MLSDT for evaluation of participants with moderate to severe vision impairment when tested without a wearable low-vision magnifying…
- Conditions
- Macular Degeneration, Geographic Atrophy, Stargardt Disease
- Trial name
- NCT06805474
- Testing
- Observational
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Nanoscope Therapeutics Inc.
Visual Acuity, Accommodation
Exploring the Eye Care Benefits of Cordyceps Cicadae Across Different Age Groups
The aim of this study is to evaluate the underlying mechanisms of consuming two capsules (each containing 250 mg of Cordyceps cicadae mycelium, for a total intake of 500 mg) of Grape King's Cordyceps cicadae mycelium through a…
- Conditions
- Visual Acuity, Accommodation, Dry Eye
- Trial name
- NCT07135180
- Testing
- Cordyceps cicadae, Blank control
- Where
- Taiwan
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Autism Spectrum Disorder
Emotional Proactive Brain Study in Adults With Autism Spectrum Condition
This project aims: to study behavioral and cerebral activity specificity (latency and amplitude of evoked potentials, time frequency maps and cerebral connectivity) in predictive process (top-down regulation) during visual…
- Trial name
- PREDEMAUT (NCT04069676)
- Testing
- EEG
- Where
- France
- Volunteers
- 94 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Vision Disorders, Vision, Low
Viewing Strategy Training in Children With (Cerebral) Visual Impairment
Viewing strategies are strategies used to process visual Information. Many children with visual impairment seem to lack systematic viewing strategies.
- Trial name
- NCT05600140
- Testing
- Viewing strategy training
- Where
- Netherlands
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Royal Dutch Visio
Inflammatory Bowel Diseases, Ulcerative Colitis
Global IBD Visualization of Epidemiology Studies (GIVES) in the 21st Century
Crohn's disease (CD) and Ulcerative colitis (UC) are chronic inflammatory bowel diseases (IBD) of unknown etiology. The pathophysiology of IBD relates to the mucosal immune response to antigenic stimulation from the gut…
- Conditions
- Inflammatory Bowel Diseases, Ulcerative Colitis, Crohn Disease
- Trial name
- GIVES-21 (NCT04748627)
- Where
- Hong Kong
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Child, Motor Activity
CHAMPS Eye Study - Myopia and Retinal Vascular Geometry in Relation to Physical Activity
An increasingly physical inactive lifestyle in the Western World has led to a higher number of lifestyle -related diseases. The consequences are now already present in childhood with an increased prevalence of overweight…
- Conditions
- Child, Motor Activity, Myopia
- Trial name
- NCT02346006
- Testing
- More physical activity.
- Volunteers
- 307 people, healthy volunteers welcome
- Sponsor
- Odense University Hospital
Blindness,Visual Impairment, Refractive Error, Cataract, High Myopia, Aging
Shanghai Eye Study for Adults
Blindness and visual impairment severely impact the visual health and life quality of people, particularly the 2.566 million senior citizens aged at 65 and above in Shanghai.
- Trial name
- SESA (NCT03455478)
- Testing
- spectacles
- Where
- China
- Volunteers
- 1,000,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Brain Injury, Chronic
Investigating the Role of the Premotor Cortex in Higher Cognitive Functions
This project aims at understanding better the role of the frontal lobe of the brain in our capacity to perceive visual information consciously, and also, in our capacity to perceive others' actions.
- Trial name
- NCT00842413
- Where
- France
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Anxiety
The Use of Virtual Reality Glasses to Reduce Anxiety in Fixed Orthodontic Treatments in Children Aged 10-15 Years
This study aims to manage anxiety and fear experienced by young patients during orthodontic treatments through the use of virtual reality glasses, ensuring a more comfortable procedural experience.
- Trial name
- NCT06922058
- Testing
- Virtual Reality Glasses
- Where
- Turkey (Türkiye)
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Biruni University