Clinical trials: Refractive Error - Myopia
Myopia
Study of Myopia Prevention in Children With Low Concentration of Atropine
The purpose of this study is to test the hypothesis that myopia can be prevented by using a low concentration of atropine eyedrops once a week.
- Trial name
- NCT00541177
- Testing
- atropine, tropicamide
- Where
- Taiwan
- Volunteers
- 60 people
- Sponsor
- Min-Sheng General Hospital
Multimorbidity, Comorbidity
A Study on the Effectiveness of Comprehensive Intervention Based on Specialized Physical Education Courses in the Prevention of Comorbidity Among Junior Middle School Students
Junior high school students are in a critical period of physical and mental development, currently facing two major health challenges: first, persistently high rates of myopia with a noticeable trend toward younger onset; second…
- Conditions
- Multimorbidity, Comorbidity, Common Diseases in Children and Adolescents, Myopia
- Trial name
- NCT07237698
- Testing
- The intervention group participated in specialized physical education courses.
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Xiaoyan Wu
Myopia
The Immediate Effect of Defocus Spectacles On the Choroid Thickness Using Optical Coherence Tomography on Children
The purpose is to examine temporary changes in the subfoveal choroid thickness after removal and after resumed use of Defocus Incorporated Multiple Segment Spectacle Lenses (DIMS).
- Trial name
- TIDOCT (NCT06234189)
- Testing
- Defocus Incorporated Multiple Segment Spectacle Lenses (DIMS)
- Where
- Denmark
- Volunteers
- 16 people
- Sponsor
- Vejle Hospital
Myopia, Phototherapy
Violet Light for the Suppression of Myopia
The study explores the suppression of myopia via violet light.
- Trial name
- NCT06110520
- Testing
- Violet Light Lamp, White Light Lamp
- Where
- United States
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Myopia
Spectacle Films Utilising S.T.O.P.® Technology for Slowing Down Myopia Progression in Children
There are two parts to this trial. First, to compare the rate of myopia progression of spectacle films using Spatio Temporal Optic Phase (S.T.O.P.®) technology that provide a dynamic optical cue against single vision spectacle…
- Trial name
- NCT06137560
- Testing
- Single vision spectacle lens, Single vision spectacle lens + S.T.O.P.® Kit 1, Single vision spectacle lens + S.T.O.P.® Kit 2
- Where
- 5 sites in China, India
- Volunteers
- 210 people
- Sponsor
- nthalmic Pty Ltd
Myopia
A Clinical Trial to Evaluate the Efficacy and Safety of Defocusing Lenses in Delaying Myopia Progression
The objective of this clinical trial was to evaluate the efficacy and safety of defocusing lenses for delaying myopia progression in children and adolescents.
- Trial name
- NCT06411717
- Testing
- Microstructure lens A, Microstructure lens B, Control group
- Where
- China
- Volunteers
- 156 people
- Sponsor
- Suzhou Care-Real Medical Technology Co., Ltd.
Myopia
A Dispensing Clinical Trial of a Study Test Silicone Hydrogel Lens Against Control Lens Over 1 Week
This is a 1-week dispensing, double-masked, randomized, bilateral study comparing the test lens against the control lens.
- Trial name
- NCT02500368
- Testing
- silicone hydrogel lens (test), enfilcon A lens (control)
- Where
- Canada
- Volunteers
- 41 people
- Sponsor
- CooperVision, Inc.
Myopia, Ear Acupressure Pellets
Effects of Auricular Point Pressing With Pellets in Children With Insufficient Hyperopia Reserve
This project aims to address the trend of early onset and high myopia among children in China by focusing on insufficient hyperopia reserve, a key early warning indicator for myopia.
- Conditions
- Myopia, Ear Acupressure Pellets, Hyperopia Reserve, Low-concentration Atropine Eye Drops
- Trial name
- NCT07475585
- Testing
- Ear acupoint pressure pellet intervention group, Atropine intervention group, Joint intervention Group
- Volunteers
- 380 people, healthy volunteers welcome
- Sponsor
- Fangbiao Tao
Myopia
Clinical Evaluation of a Myopia Control Lens in Slowing Myopia Progression (DAL)
This is a mono-centre, prospective, one-arm, unmask clinical trial to evaluate the effectiveness of test lens in slowing myopia progression with respect to axial length elongation compared to a single vision spectacle lens from…
- Trial name
- NCT05840185
- Testing
- Test myopia control lenses (DAL)
- Where
- Singapore
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Essilor International
Refractive Errors
Effect of Colour Temperature of Reading Lamp on Refractive Error Development
This is a 12-month longitudinal randomized controlled trial aiming to evaluate the effect of colour temperature of reading lamp on refractive error development.
- Trial name
- NCT05733182
- Testing
- 3000K Reading lamp, 4500K Reading lamp, 6500K Reading lamp
- Where
- Hong Kong
- Volunteers
- 798 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Myopia, Myopia, Progressive
Myopia Progression With a Novel Extended Depth of Focus Contact Lens
Myopia has been increasing in prevalence and severity throughout the world over the last 30 years. Increasing levels of myopia are associated with increased frequencies and severity of various ocular pathologies, including…
- Trial name
- NCT03358862
- Testing
- NaturalVue Multifocal Contact Lens
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Aller, Thomas A., OD
Myopia
Product Performance of a Daily Disposable Contact Lens
The objective of this one week, single group, bilateral, open-label study is to evaluate the product performance of the Bausch \& Lomb daily disposable cosmetic tint contact lens (Test) when worn on a daily disposable basis by…
- Trial name
- NCT01230554
- Testing
- Daily disposable cosmetic tint lens
- Where
- Singapore
- Volunteers
- 212 people, healthy volunteers welcome
- Sponsor
- Bausch & Lomb Incorporated
Myopia
Evolution of Ocular Growth in Myopic Children: A Prospective Cohort Study
Myopia and high myopia are the leading causes of visual impairment and blindness worldwide. The total number of myopic people globally was estimated to be 2.6 billion in 2020, and it could reach 4.8 billion by 2050 unless…
- Trial name
- PREMYOM1000 (NCT06895044)
- Testing
- ophtalmologic follow-up, ophtalmological follow-up
- Where
- France
- Volunteers
- 1,000 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Myopia, Progressive
Myopia Prevention Through Monitoring and Motivating Outdoor Activities With Smartwatches
The goal of this multi-center, randomized, parallel-controlled clinical trial is to evaluate the effectiveness of outdoor activities monitoring and motivating by smartwatches to prevent myopia progression in children.
- Trial name
- NCT05760911
- Testing
- Outdoor activities motivation with smartwatches
- Volunteers
- 1,200 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia
Myopia Control Using Optimized Optical Defocus RCTs
The aims of the study is to evaluate whether the DISC3.5 Plus contact lens will slow myopia progression and axial length growth in myopic children as compared with single vision soft contact lenses.
- Trial name
- NCT03681366
- Testing
- DISC3.5 plus
- Where
- China
- Volunteers
- 167 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Pediatric Cataract, IOL Implantation
Myopia Progression Control Using Atropine 0.05% After Pediatric Cataract Surgery And Intraocular Lens Implantation Surgery
Myopic shift remains a debilitating and unpredictable adverse event following pediatric cataract surgery. While research exploring peripheral myopic defocus for post-cataract surgery myopia prevention shows promising results, the…
- Conditions
- Pediatric Cataract, IOL Implantation, Myopia Progression
- Trial name
- NCT07364370
- Testing
- Atropine Eye drops
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Cairo University
Myopia, Myopia Progression
Myopia Control Spectacle Lens Cessation Study
To quantify myopic progression (cycloplegic spherical equivalent refraction - cSER) following the cessation of use of specific spectacle lenses.
- Conditions
- Myopia, Myopia Progression, Juvenile Myopia
- Trial name
- BIRCH (NCT05893979)
- Testing
- Spectacle Lenses
- Where
- 8 sites in United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Myopia
The Use of Atropine 0.01% in the Prevention and Control of Myopia (ATOM3)
Study of low dose atropine in preventing the onset and progression of myopia in high risk children with pre-myopia or low-myopia.
- Trial name
- NCT03140358
- Testing
- Atropine sulfate 0.01%
- Where
- Singapore
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Myopia, Progressive, Myopia
Clinical Evaluation of a Myopia Control Lens in Slowing Myopia Progression
This is a monocenter, randomized, controlled, parallel-group, double-masked clinical trial to evaluate the effectiveness of test lens in slowing myopia progression with respect to axial length elongation at baseline compared to a…
- Trial name
- NCT05331378
- Testing
- Test myopia control lenses, Single vision lenses
- Where
- Singapore
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Essilor International
Myopia (Disorder), Refraction Error
Advanced Technology for Myopia Control in Children and Young Adults
Myopia, or nearsightedness, is increasing rapidly worldwide, especially in children and young adults. This study tested two advanced treatments for slowing myopia progression with one control group: special lenslet spectacles…
- Trial name
- MyopiaTech (NCT07645183)
- Testing
- Lenslet Spectacles, Violet Excitation Filter Glasses, Single Vision Lenses
- Where
- Pakistan
- Volunteers
- 90 people
- Sponsor
- University of Faisalabad