Clinical trials: Refractive Error - Myopia
Ametropia, Myopia
Post-market Clinical Follow-up Study of Alcon TOTAL30® Contact Lenses (Lehfilcon A)
The purpose of this Post-Market Clinical Follow-Up (PMCF) study is to continuously assess the visual performance and safety of TOTAL30 Sphere and TOTAL30 for Astigmatism contact lenses in a real-world setting across a broad…
- Conditions
- Ametropia, Myopia, Hyperopia, Astigmatism
- Trial name
- NCT06408649
- Testing
- Lehfilcon A spherical contact lenses, Lehfilcon A toric contact lenses
- Where
- United States
- Volunteers
- 129 people
- Sponsor
- Alcon Research
Myopia
Efficacy of Myopia-control Lenses in a Population of Young Adults : the OPTIMA Study
The goal of this clinical trial is to learn if myopia-control eyeglass lenses (Essilor® Stellest® 2.0) can slow down the progression of short-sightedness (myopia) in young adults, compared with standard single-vision lenses.
- Trial name
- OPTIMA (NCT07804043)
- Testing
- Essilor® Stellest® 2.0 myopia-slowing lenses, Standard lenses
- Where
- France
- Volunteers
- 134 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Amblyopia
Evaluation of a Smartphone Application, GoCheckKids™ as a Photo Screening Tool in a Pediatric Population
Objective: Prospective evaluation of GoCheckKids™, a smartphone application ('App') as a photo screening device in a pediatric population to detect amblyopia risk factors (ARFs) Method: Photorefraction images are captured using…
- Trial name
- NCT03119675
- Testing
- GoCheck Kids (iOS), GoCheck Kids (Windows)
- Volunteers
- 358 people
- Sponsor
- Gobiquity Mobile Health
Myopia
Comparing The Performance Of Two Different Daily Disposable Lenses (MIKI)
The objective of the study is to evaluate and compare the performance of study test lens to study control lens, when worn on a daily disposable modality over a period of approximately one week each
- Trial name
- NCT04492397
- Testing
- Test Contact Lens, Control Contact Lens
- Where
- Canada
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Refractive Error
AIR OPTIX® COLORS Registration Trial
The purpose of this study was to evaluate the subjective and objective performance and the physiological response to AIR OPTIX® COLORS soft contact lenses compared with AIR OPTIX® AQUA contact lenses in participants with normal…
- Trial name
- NCT01440322
- Testing
- Lotrafilcon B contact lens with color, Lotrafilcon B contact lens
- Volunteers
- 150 people
- Sponsor
- CIBA VISION
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
Myopia, Progressive
Evaluation of the Safety and Efficacy of the D.D.C Dual-control Technology Spectacle Lenses in Delaying the Progression of Myopia: a Randomized Controlled Trial
The burden of myopia among Chinese children and adolescents is severe and trending toward younger ages, making control of myopia progression a public health priority.
- Trial name
- NCT07264361
- Testing
- D.D.C dual-control technology spcetacle lenses, Aspheric single-vision lenses
- Where
- China
- Volunteers
- 316 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Myopia, Myopia Progression
Effect of Diffusion Optics Technology (DOT) Spectacle Lenses on Choroidal Thickness
The objective of the study is to measure the effect of Diffusion Optics Technology (DOT) spectacle lenses on the choroidal thickness and choroidal vascularity index compared to control lenses.
- Conditions
- Myopia, Myopia Progression, Juvenile Myopia
- Trial name
- ASH-2 (NCT05617794)
- Testing
- Diffusion Optics Technology (DOT) Pattern Spectacle Lens, Control Spectacle Lens
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Progressive Myopia
MAD Trial: Myopia Atropine Dose
The goal of this interventional study is to compare the efficacy of Atropine 0.05% to Atropine 0.5% treatment against progression of axial length in European children with progressive myopia, and to evaluate the safety…
- Trial name
- MAD (NCT05667454)
- Testing
- Atropine Ophthalmic 0.05%, Atropine Ophthalmic 0.5%
- Where
- 20 sites in Netherlands
- Volunteers
- 550 people
- Sponsor
- Erasmus Medical Center
Myopia, Randomized Controlled Trial (RCT)
The Rebound Effect on Repeated Low-Level Red Light Therapy for Myopia
Myopia is a global public health issue, projected to affect 49.8% of the world population by 2050, increasing risks of cataracts, glaucoma, macular degeneration, and retinal detachment.
- Trial name
- NCT07748546
- Testing
- Repeated low-level red light (RLRL) therapy
- Volunteers
- 159 people
- Sponsor
- The First Affiliated Hospital of Anhui Medical University
Myopia, Cost-effectiveness Analysis
Comparing Myopia Treatments in Youth: Defocus Spectacles, Glasses, and Ortho-K
The research project titled "A Comparative Study on the Clinical Efficacy, Quality of Life, and Cost of Use of Peripheral Defocus Spectacles, Frame Glasses, and Orthokeratology Lenses in Myopic Children and Adolescents" aims to…
- Conditions
- Myopia, Cost-effectiveness Analysis, Quality of Life
- Trial name
- NCT06278974
- Where
- China
- Volunteers
- 90 people
- Sponsor
- He Eye Hospital
Myopia
Auricular Acupressure Reduces Rebound Effects After Discontinuation of Atropine
0.01% atropine is an effective measure for controlling myopia in children and is widely used in Asia for this purpose. However, there is a phenomenon of rebound and worsening of myopia after discontinuation of the medication.
- Trial name
- NCT07129889
- Testing
- gradual withdrawal of medication, Auricular acupressure
- Where
- China
- Volunteers
- 180 people
- Sponsor
- Ningbo Eye Hospital
Myopia, Progressive
Contact Lens and Myopia Control in Optometry School Students
The purpose of the study is to determine the effect of Natural View Multifocal lenses, a soft multifocal lens, on retardation of myopia in an optometric student population. Close up work (i.e.
- Trial name
- NCT04334369
- Testing
- Proclear Single Vision Contact Lenses manufactured by CooperVision, Proclear Multifocal Contact Lenses manufactured by CooperVision
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Jeff Rabin
Myopia, Anisometropia
Ocular Response Analyzer Assessment of Intraocular Pressure and Corneal Biomechanical Properties in Myopic and Anisometropic Patients Under Atropine Treatment
Our study has three parts has three parts, and the main aim of the study is to find out if corneal hysteresis was associated with myopia or even a predictor of myopia poor control predictor: Part 1 of our study: patients with…
- Trial name
- NCT00658502
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Far Eastern Memorial Hospital
Amblyopia
Prospective Evaluation of a Smartphone Application, GoCheckKids™, to Detect Amblyopia Risk Factors in Young Children
The objective is evaluation of GoCheck Kids, a smartphone application ('App'), for use as a photo screening device in a pediatric population to detect amblyopia risk factors (ARFs).
- Trial name
- NCT03447171
- Testing
- App Vision Screening
- Where
- United States
- Volunteers
- 207 people
- Sponsor
- Gobiquity Mobile Health
Myopia
MyopiaX Treatment for the Reduction of Myopia Progression in Children and Adolescents: Safety and Efficacy Investigation
The purpose of this trial is to investigate the safety and efficacy of MyopiaX - a digital treatment intended to slow the progression of myopia in children and adolescents.
- Trial name
- MyopiaX-1 (NCT04967287)
- Testing
- MyopiaX, Myopia control spectacles
- Where
- 10 sites in Germany, Netherlands and 3 more
- Volunteers
- 124 people
- Sponsor
- Dopavision GmbH
Myopia
Corneal Endothelial Cell Injury Induced by Mitomycin-C
our study will investigate the effecacy of Mitomycin-C in TransEpi single step photorefractive keratectomy (PRK) and alcohol assisted PRK
- Trial name
- NCT05548478
- Testing
- Transepithelial PRK/MMC, Alcohol-Assisted PRK/MMC
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Al-Azhar University
Myopia, Progressive
Safety and Efficacy of Blue Star MAX-5 Lenses in Myopia Control
The goal of this randomised controlled clinical trial is to compare the effects of a new type of concentric columnar microstructure lens and single-vision spectacle lenses on myopia progression in Chinese children aged 8-11 years…
- Trial name
- NCT06647160
- Testing
- Blue star MAX-5 spectacle lens, Single-vision spectacle lens
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Conjunctivitis, Glaucoma
Feasibility Study and Preliminary Application Study on Iris OCTA
All participants will underwent imaging using the OCTA system (Zeiss) with the anterior segment optical adaptor lens. The main outcomes are iris blood flow density and vascular density.
- Conditions
- Conjunctivitis, Glaucoma, Myopia, Diabetic Retinopathy
- Trial name
- NCT03631108
- Testing
- OCTA (ZEISS)
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia
Multicenter Evaluation of Near Vision and Outdoor Time in Kids Study
Currently, optical and pharmacological interventions have been developed to prevent the progression of childhood myopia. However, no myopia control strategy has been shown to have complete efficacy in controlling myopia…
- Trial name
- MENOK (NCT06119243)
- Testing
- Vivior
- Where
- 5 sites in United States, Australia
- Volunteers
- 230 people
- Sponsor
- The University of New South Wales