Clinical trials: Refraction Error
Myopia
Myopia Control Efficacy of Second-generation DIMS Spectacle Lenses on Fast Progressing Myopes
The purpose of this study is to examine the efficacy and performance of the variant of Defocus Incorporated Spectacle lenses on controlling myopia progression in fast progressing myopic children.
- Trial name
- NCT05888792
- Testing
- Variant of Defocus Incorporated Spectacle lens (DG2)
- Where
- Hong Kong
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Myopia
The Beijing Childhood Eye Study
Axial myopia has emerged as the leading cause of irreversible vision loss in East Asia, driven by its progression to sight-threatening complications including myopic macular degeneration, retinal detachment, open-angle glaucoma…
- Trial name
- BCES (NCT06931444)
- Where
- China
- Volunteers
- 3,760 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Myopia
Evaluation of Short Term Use of Experimental Eye Drops BHVI2, 0.02% Atropine and BHVI2 Plus 0.02% Atropine Eye Drops
To assess the one-month ocular effects of nightly application of experimental BHVI2 and 0.02% atropine eye drops either alone or in combination, in children aged between 6 to 13 years old with myopia and randomized to use of…
- Trial name
- NCT03690414
- Testing
- Experimental BHVI2, Atropine sulfate 0.02% eye drops, Combination eye drops
- Where
- Vietnam
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Hai Yen Eye Care
Myopia, Cornea
Euclid Phoenix Lens Design Trial
The "first fit" success rate of the current Euclid orthokeratology "MAX" lens design will be compared to that of the new Euclid orthokeratology MAX "Phoenix" lens design in 30 children.
- Trial name
- NCT06389916
- Testing
- Euclid orthokeratology MAX (current design), Euclid orthokeratology MAX Phoenix (new design)
- Where
- 5 sites in United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Euclid Systems Corporation
Amblyopia, Refractive Errors
Vision Screening for the Detection of Amblyopia
INTRODUCTION. Amblyopia is defined as the loss of visual acuity (VA) in one or both eyes, without any obvious structural or pathological anomalies.
- Conditions
- Amblyopia, Refractive Errors, Anisometropia, Strabismus
- Trial name
- NCT01430247
- Testing
- Amblyopia screening
- Where
- Croatia
- Volunteers
- 7,000 people
- Sponsor
- Mladen Busic
Myopia
Investigation of the Regulation of Retinal and Choroidal Blood Vessels in Various AL Based on WF SS-OCTA Detection With Changes in Body Position
This prospective observational study aims to understand the effects of different subaxial body positions on choroidal and retinal blood vessel density.
- Trial name
- NCT06587776
- Volunteers
- 60 people
- Sponsor
- Science and Technology Department of Sichuan Province
Myopia
Noninvasive and Dynamic Monitoring the Biological Parameters of Eyes in Different Age Groups
Myopia is the most common refractive eye disease worldwide. The number of cases is up to 2 billion. In recent years, the incidence of myopia in China is obviously rising trend.
- Trial name
- NCT05250440
- Where
- China
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Zhongnan Hospital
Myopia Progressing
3D Designed Defocus Lenses on Myopia Control in Children and Adolescents
This study aims to evaluate the effectiveness of lenses with 3D Designed Defocus in controlling the progression of myopia in children and adolescents, and to explore the feasibility of effective design, and apply personalized…
- Trial name
- NCT07284147
- Testing
- Defocus Lenses
- Where
- China
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia
Delaying the Onset of Nearsightedness Until Treatment (DONUT) Clinical Trial
The aims of this clinical trial will test whether or not the onset of nearsightedness is delayed in a group of children randomized to nightly drops in 0.05% atropine in both eyes, in comparison to children who receiving nightly…
- Trial name
- DONUT (NCT07567040)
- Testing
- Atropine Sulfate 0.05% Oph Soln
- Where
- 13 sites in United States
- Volunteers
- 664 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Myopia
Clinical Evaluation of an Investigational Soft Contact Lens
The purpose of this 4-week dispensing trial is to evaluate and compare an investigational soft contact lens worn on a daily disposable basis with three other soft contact lenses also worn on a daily disposable basis.
- Trial name
- NCT01254747
- Testing
- Delefilcon A contact lens, Lotrafilcon B contact lens (O2 OPTIX, AIR OPTIX), Nelfilcon A contact lens (DAILIES AquaComfort Plus)
- Where
- 2 sites in United States, Germany
- Volunteers
- 130 people
- Sponsor
- CIBA VISION
Dry Eye Disease
Assess the Effects of Spectacles or Orthokeratology on Dry Eye Parameters in Children and Adolescents.
Orthokeratology(OK) is currently one of the effective methods for treating myopia, reshaping the corneal epithelium to change refractive power.
- Trial name
- NCT06023108
- Testing
- Orthokeratology, Spectacles
- Where
- China
- Volunteers
- 300 people
- Sponsor
- He Eye Hospital
Myopia
A Clinical Study to Evaluate the Remote Monitoring of Myopia Patients With the EyeQue Insight
The objective of this study is to determine whether the remote monitoring of myopia patients with the EyeQue Insight (visual acuity test) can replace regularly scheduled follow-up visits.
- Trial name
- NCT04693260
- Testing
- Visual Acuity with a Hand-held Device Supported by Mobile App.
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- EyeQue Corp.
Anisometropic Amblyopia, Accommodation Disorder
Accommodation Response in Hypermetropic Anisometropia (ARIHA Study)
Anisometropic amblyopia is when one eye has a much stronger glasses prescription than the other, causing poor vision in one eye, even with glasses, because the brain favours the better-seeing eye.
- Trial name
- ARIHA (NCT06286410)
- Testing
- Bespoke glasses prescription worn during amblyopia treatment.
- Where
- United Kingdom
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Sheffield
Myopia
A Multi-center Study of the Effect of Orthokeratology on Myopia Progression
This is a prospective study to validate an algorithm for predicting the effect of orthokeratology on myopia progression in children from 8 hospitals in China.
- Trial name
- NCT04284111
- Testing
- Orthokeratology lenses
- Where
- 8 sites in China
- Volunteers
- 1,000 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Myopia
Four Week Performance Comparison Between Two Commercially Available Silicone Hydrogel Lenses
The purpose of this study is to compare the performance of two commercially marketed contact lenses when worn for up to 4 weeks in a daily wear modality.
- Trial name
- NCT01300767
- Testing
- Lotrafilcon B contact lens (AIR OPTIX® AQUA), Balafilcon A contact lens (PureVision® 2), Contact lens solution (Clear Care®)
- Volunteers
- 75 people
- Sponsor
- CIBA VISION
Myopia, Myopic Astigmatism
A Clinical Trial Assessing the Safety and Effectiveness of Orthokeratology Lenses in Patients With Myopia and Myopic Astigmatism
This is a prospective, multi-centre, single-arm clinical trial to evaluate the effectiveness and safety of MCOK-01 lenses in patients with myopia and myopic astigmatism who need dioptric correction.
- Trial name
- SEMOA (NCT07047924)
- Testing
- MCOK-01
- Where
- 4 sites in Australia
- Volunteers
- 220 people
- Sponsor
- Menicon Co., Ltd.
Myopia, Child Myopia Progression
Photolithography Microstructure Myopia Management Lenses in Preventing and Controlling Myopia in Children and Adolescents
Evaluate the effectiveness of different lithographic microstructured myopia management lenses in controlling the progression of myopia in children and adolescents, as well as the safety and comfort of wearing them.
- Trial name
- NCT07514039
- Testing
- Myopia management lens
- Where
- China
- Volunteers
- 252 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia, Astigmatism
Daily Disposable Toric Comparative Trial in Europe
The purpose of this study is to investigate the subjective and objective performance of two daily disposable lenses for wearers with astigmatism.
- Trial name
- NCT01070381
- Testing
- nelfilcon A contact lens, ocufilcon D contact lens
- Volunteers
- 220 people
- Sponsor
- CIBA VISION
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
Scoliosis Idiopathic, Myopia
Zhejiang Adolescent Spine and Vision Health Cohort: A Longitudinal Database Analysis
The aim of study: 1. To investigate the prevalence of scoliosis, other spinal deformities, myopia, and visual impairments in adolescents (aged 6-18) in Zhejiang Province.
- Conditions
- Scoliosis Idiopathic, Myopia, Vision Disorders
- Trial name
- NCT06992622
- Where
- China
- Volunteers
- 73,000 people
- Sponsor
- Second Affiliated Hospital of Wenzhou Medical University