Clinical trials: Myopia
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
To Evaluate the Efficacy and Safety of Multifocal Soft Contact Lens in Myopia Control
The objective of this study is to investigate the efficacy and safety of soft lens in myopia control.
- Trial name
- NCT03413085
- Testing
- soft contact lens
- Where
- 3 sites in Taiwan
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Largan Medical Co., Ltd.
Myopia
Ambient Light Levels in the Kindergarten and Schools and the Relation to Refractive Development
Myopia, the most common human eye disorder, is a phenomenon characterized by an unconstrained elongation of the eye globe There are number of theories concerning the environmental effect on the emmetropization process, most are…
- Trial name
- NCT02854891
- Testing
- autorefractometer, A-scan ultrasound
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Hillel Yaffe Medical Center
Myopia, Refractive Errors
School-based Myopia Control Trial for Children With Premyopia or Myopia
This is a prospective, school-based randomized controlled trial designed to evaluate auricular acupressure combined with defocus spectacle lenses for myopia control in primary school students with premyopia or myopia.
- Trial name
- SPARK (NCT07746778)
- Testing
- Defocus Spectacle Lenses, Auricular Acupressure
- Where
- China
- Volunteers
- 358 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia
Efficacy and Safety of Defocusing Frame Glasses With Artificial Intelligence in Controlling Myopia Progression
Background: Myopia refers to the pathological state in which the external parallel light enters the eye and focuses in front of the retina, resulting in the inability to clearly image on the retina.
- Trial name
- NCT05532774
- Testing
- AI defocusing frame glasses
- Where
- China
- Volunteers
- 138 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia, Astigmatism
Evaluation of Orthokeratology Lenses With a 5MM Optic Zone Diameter
To evaluate the clinical performance and user-reported experience of Paragon CRT contact lenses with a 5mm Optic Zone Diameter (OZD)
- Trial name
- NCT07751172
- Testing
- Lens A (paflufocon D)
- Where
- 3 sites in United States, Spain
- Volunteers
- 70 people
- Sponsor
- CooperVision International Limited (CVIL)
Myopia
Zhaoqing Myopia Study
Myopia is a common cause of vision loss, being particularly prevalent in children in East and Southeast Asia. The investigators will assess prevalence and incidence of myopia, identify digital biomarkers associated with myopia…
- Trial name
- NCT04219228
- Testing
- Ophthalmic examinations, Wearable devices
- Where
- 2 sites in China
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
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
Myopia
Adaptation To and Satisfaction With Contact Lens Wear In Myopic Young Adults
The purpose of this study was to assess whether young adults could adapt to and achieve satisfaction with a daily disposable contact lens.
- Trial name
- NCT04857723
- Testing
- daily disposable contact lens
- Where
- Canada
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia
Efficacy and Safety of MiSight ® Contact Lenses in Reducing the Progression of Childhood Myopia.
The purpose of the study is to quantify the effectiveness of CooperVision MiSight® (omafilcon A) soft (hydrophilic) contact lens in slowing the rate of progression of juvenile-onset myopia.
- Trial name
- NCT01917110
- Testing
- omafilcon A, Spectacle
- Where
- Spain
- Volunteers
- 79 people
- Sponsor
- CooperVision, Inc.
Myopia
Eye Exercise, Transcutaneous Electrical Nerve Stimulation on Prevention of Myopia Progression
In Taiwan, the increasing prevalence of myopia shows a decline with age. Myopia has become a serious ocular problem in children because high myopia may lead to retinal damage, cataract and glaucoma.
- Trial name
- NCT04017234
- Testing
- frequency following response, eye exercise, and transcutaneous
- Where
- Taiwan
- Volunteers
- 27 people
- Sponsor
- China Medical University Hospital
Myopia, Visual Rehabilitation
Exploring Perceptual Learning in Blurred Gabor Discrimination for Low-Myopic Children
This exploratory study investigates whether perceptual learning using blurred Gabor stimuli can improve uncorrected distance visual acuity in children aged 6-10 years with low myopia.
- Conditions
- Myopia, Visual Rehabilitation, Perceptual Learning
- Trial name
- NCT07107646
- Testing
- vision training system, VTS
- Where
- Taiwan
- Volunteers
- 30 people
- Sponsor
- National Taiwan University Hospital
Myopia
650nm Low-level Red-light for Myopia Control and Prevention in Children
A multicenter randomized controlled trial, evaluating the efficacy and safety of 650nm low-level red-light irradiation for myopia control and prevention in children.
- Trial name
- NCT05786586
- Testing
- 650 nm low-level red-light
- Where
- China
- Volunteers
- 572 people
- Sponsor
- Beijing Tongren Hospital
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
Visual Acuity
Evaluating Accommodative Responses of Soft Contact Lenses for Myopia Control
This is a bilateral, non-dispensing, randomized, controlled, double-masked, 7x7 cross-over study. Each subject will be bilaterally fitted with one of the 7 test articles in each of the 7 periods for a total of four visits.
- Trial name
- NCT03635528
- Testing
- Test Lens 1, Test Lens 2, Test Lens 3
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
High Myopia, Gene Mutations
TGFB1 And LAMA1 Gene Polymorphisms in High Myopia
The investigators aimed to investigate TGFB1 and LAMA1 gene polymorphisms in children with high myopia in order to determine the genetic basis of large myopic shifts causing severe visual impairment and complications.
- Trial name
- NCT03451877
- Testing
- TGFB1 AND LAMA1 GENE POLYMORPHISMS
- Volunteers
- 151 people, healthy volunteers welcome
- Sponsor
- Ege University
Children With Myopia, Treatment
Clinical Study on the Effectiveness of Diverse Segments Defocus Optimization in Spectacle Lenses for Slowing Myopia Progression
Clinical Trial The goal of this clinical trial is to evaluate the effectiveness of two types of Diverse Segments Defocus Optimization (D.S.D.O.) spectacle lenses in slowing myopia progression in children.
- Conditions
- Children With Myopia, Treatment, Multizone Lens Design for Myopic Defocus, Visual Quality
- Trial name
- NCT07323251
- Testing
- Diverse Segments Defocus Optimization (D.S.D.O.) spectacle lenses
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Myopia, Strabismus
Evaluation of a County-Based Eye Health Service Model in Rural Chinese Children
This project proposes to conduct a prospective, multicenter registry study in rural China to evaluate, under real-world conditions, the implementation effectiveness of an integrated child eye health service model centered at the…
- Conditions
- Myopia, Strabismus, Eye Health
- Trial name
- NCT07547748
- Testing
- School-based Eye Health Screening
- Where
- China
- Volunteers
- 20,000 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Visual Acuity
Evaluating ACUVUE® Abiliti™ 1-Day Soft Therapeutic Lenses for Myopia Management
This is a single-site, prospective, single-arm, open-label, real-world evidence study with a minimal study duration of 1-year, up to 2-year follow-up to evaluate overall visual acuity.
- Trial name
- NCT05634408
- Testing
- ACUVUE® Abiliti™ 1-Day Soft Therapeutic Lenses for Myopia Management (A1D)
- Where
- China
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia
Clinical Comparison of Two Daily Disposable Contact Lenses in a Population of Daily Disposable Contact Lens Wearers
The purpose of this study is to evaluate the performance of two commercially marketed daily disposable contact lenses in a population of daily disposable contact lens wearers.
- Trial name
- NCT01233076
- Testing
- Nelfilcon A contact lens, Narafilcon B contact lens
- Volunteers
- 60 people
- Sponsor
- CIBA VISION