Clinical trials: High Myopia
Cataract, High Myopia
Evaluation of Cataract Surgery Outcome
The purpose of this study is to evaluate the visual outcome of the cataract surgery, including best uncorrected and corrected visual acuity, spherical equivalent, wavefront aberration and other measurements.
- Trial name
- NCT02182921
- Where
- China
- Volunteers
- 20,000 people
- Sponsor
- Evidence Based Cataract Study Group
High Myopia, Pathologic Myopia
Shanghai Child and Adolescent Large-scale Eye Study -High Myopia Registration
1.1 Research objectives A.To observe the fundus changes in the posterior pole (morphology, thickness, asymmetry, blood flow density, etc) with the myopia progression.
- Trial name
- SCALE-HM (NCT03666052)
- Where
- China
- Volunteers
- 2,000 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Capsule Opacification, Tissue Adhesions
Evaluate Capsular Apposition to Intraocular Lens
In this study, the investigators examined the capsule-IOL interaction including anterior and posterior capsule adhesion, contact between posterior capsule and the posterior edge of intraocular lense (IOL), configuration of…
- Conditions
- Capsule Opacification, Tissue Adhesions, Aphakia - Lens Capsule Present, Opacification of Intraocular Lens
- Trial name
- NCT01605812
- Where
- China
- Volunteers
- 150 people
- Sponsor
- Wenzhou Medical University
Myopia Progression
Evaluation of the Effectiveness of a New Generation of Myopia Control Lens on the Progression of Myopia in Children Aged 6 to 14 Years
The goal of this clinical investigation is to learn how much a new generation of myopia control lens (MCL1 - Myopia Control Lens 1) is helpful in reducing myopia progression in children from 6 to 14 yo.
- Trial name
- VERCORS (NCT07462897)
- Testing
- MCL1, MCL2
- Where
- France
- Volunteers
- 76 people
- Sponsor
- Essilor International
High Myopia, Axial Length
Repeated Low-Level Red-Light Therapy Shortens Axial Length
The purpose of this clinical trial is to investigate the incidence and magnitude of axial length shortening after repeated low-level red-light therapy in high myopia children and teenagers.
- Conditions
- High Myopia, Axial Length, Eye Diseases
- Trial name
- NCT05768152
- Testing
- RLRL
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- The Second People's Hospital of Foshan
High Myopia
AI-Empowered Fundus Platform
According to estimates by the World Health Organization, approximately half of the global adult population currently suffers from varying degrees of myopia.
- Trial name
- NCT07424755
- Testing
- Multimodal Ocular Imaging and Biometry with Aritifical Intelligence Analysis
- Where
- China
- Volunteers
- 1,000 people
- Sponsor
- Shanghai 10th People's Hospital
Refractive Errors
Correcting Myopia Among Secondary School Children to Increase Academic High School Attendance Rates in Rural Communities
Chinese children are some of the most short-sighted in the world, but only one in five children in poor areas who needs glasses has them.
- Trial name
- SWISH (NCT04077086)
- Testing
- Spectacles
- Where
- 3 sites in China, United Kingdom
- Volunteers
- 10,000 people
- Sponsor
- Queen's University, Belfast
High Myopia
A Study on the Efficacy and Safety of Multi-focal Scleral Contact Lens
The rigid scleral contact lens with optical multi-focal design adopted in this study can focus the light in part of the optical area on the front of the retina to form myopic defocus, in order to delay the axial changes in…
- Trial name
- NCT05533450
- Testing
- Multi-focal rigid scleral contact lens, Rigid gas permeable contact lens
- Where
- 2 sites in China
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia
Visual Performance of Highly Aspherical Lenslet Spectacles in Children (Ancillary to WS10246)
To evaluate the visual performance of (high and low contrast distance visual acuity, reading speed, near visual acuity, and near contrast sensitivity) of HAL spectacle lenses (habitual correction) in comparison with single vision…
- Trial name
- FIN-3102 (NCT07668102)
- Testing
- HAL spectacle lens, Single Vision spectacle lens
- Where
- 7 sites in United States
- Volunteers
- 88 people
- Sponsor
- Essilor International
High Myopia
SmoothCore Orthokeratology Plus M.O.V.E. Lenses vs. M.O.V.E. Lenses Alone for Myopia Control in Children With High Myopia
This clinical trial aims to determine whether a combination of overnight orthokeratology lenses and daytime myopia-control spectacles is more effective than myopia-control spectacles alone in slowing myopia progression and…
- Trial name
- NCT07854366
- Testing
- SmoothCore Technology Orthokeratology Combined with M.O.V.E. Lenses, M.O.V.E. Lenses Alone
- Volunteers
- 100 people
- Sponsor
- Beijing Tongren Hospital
High Myopia
Evaluation of Retinal Vascular Density in High Myopia Without Pathological Myopic Maculopathy Using OCTA .
Study aiming to evaluate Macular Vascular Density in High Myopes without pathological myopic maculopathy in outpatient clinic in Sohag teaching hospital using OCTA .
- Trial name
- NCT06596408
- Testing
- optical coherence tomography angiography
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Sohag University
Cataract, High Myopia
Artificial Intelligence for Highly Myopic Cataract
This study aims to establish a multi-center artificial intelligence model for the accurate calculation of intraocular lens and its clinical application in highly myopic cataract, so as to improve the accuracy of the prediction of…
- Conditions
- Cataract, High Myopia, Myopia, Automatic Judgement
- Trial name
- AI-HMC (NCT06616506)
- Testing
- newly-invented AI model
- Where
- China
- Volunteers
- 500,000 people
- Sponsor
- Shanghai High Myopia Study Group
Myopia
Effectiveness of Myopia Control Interventions : A Comparison of Myopia Control in European Children, Adolescents and Young Adults With Defocus Incorporated Multiple Segments (DIMS) and Highly Aspherical Lenslets (HAL) Spectacles, Atropine, Lenses and Combined Treatments
The prevalence of myopia and its complications has risen considerably in recent decades, particularly among children and teenagers.
- Trial name
- NCT07120165
- Testing
- Demographic data collection, Ophthalmological history, Ophthalmological data at each examination
- Where
- France
- Volunteers
- 114 people
- Sponsor
- Centre Hospitalier Universitaire de Saint Etienne
Myopia
Atropine (0.02%, 0.04%) Combined With Defocus DIMS for Moderate and High Myopia Control
To evaluate the effectiveness and safety of DIMS, low concentration atropine eye drops,and atropine combined with DIMS in controlling axial length and refraction in children with moderate to high myopia.
- Trial name
- atropine (NCT06523504)
- Testing
- DIMS, The 0.02% ATP Group, The 0.04% ATP Group
- Where
- China
- Volunteers
- 410 people
- Sponsor
- Ruihua Wei
Conventional LASIK, Femto-LASIK and PRK in Low and Moderate Myopia
Changes of Higher-Order Aberrations After Different Types of LASIK in Myopia
This prospective comparative interventional study will enroll patients with low and moderate myopia who seek laser vision correction at Sohag Center for LASIK and Corneal Surgeries, Sohag, Egypt.
- Trial name
- NCT06860061
- Testing
- Laser refractive surgery
- Volunteers
- 60 people
- Sponsor
- Sohag University
Myopia, High Myopia
The Monitoring and Intervention of Refractive Changes in Children and Teenagers in Tianjin
The study aimed to collect multi-factor information on school-age children with pre-clinical myopia, and to identify the initial factors and warning signs of myopia.
- Trial name
- NCT05691296
- Testing
- Home training, School training
- Where
- China
- Volunteers
- 4,000 people
- Sponsor
- Tianjin Eye Hospital
High Myopia
Development and Pathological Changes of High Myopia Among Children and Adolescents in China
The study aims to observe the relationship between the changes of ocular structure parameters and pathological changes among children and adolescents with high myopia.
- Trial name
- NCT03533647
- Testing
- Observational
- Where
- China
- Volunteers
- 1,400 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Keratoconus, High Myopia
Anterior Segment and Corneal Parameters in Keratoconus and High Myopic Astigmatism Using Schiempflug Imaging
The purpose of this study was to compare Scheimpflug corneal tomography findings in keratoconus and high myopic astigmatic eyes, as well as to establish the parameters distinguishing keratoconus from high myopic astigmatism.
- Trial name
- NCT06739018
- Testing
- pentacam scheimpflug tomography
- Where
- 2 sites in Egypt
- Volunteers
- 66 people
- Sponsor
- Assiut University
Cataract
Comparing Monofocal IOLs in Highly Myopic Cataract Patients
Comparison of Postoperative Outcomes in Patients with High Myopia Undergoing Cataract Surgery Implanted with Extended Depth of Focus Intraocular Lens (ICB00) and Monofocal Intraocular Lens (ZCB00)
- Trial name
- NCT06905938
- Testing
- no intervention
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Wenzhou Medical University
Myopia, Randomized Controlled Trials
Effect of a Myopia Prediction System on Myopia Prevention and Control
The global rise in myopia, particularly among children and adolescents in China, underscores the inadequacy of current prevention strategies, indicating that conventional screening and education alone are insufficient to curb the…
- Conditions
- Myopia, Randomized Controlled Trials, Artificial Intelligence (AI)
- Trial name
- NCT06633393
- Testing
- Feedback on Predicted High Myopia Risk at Age 18 Using the Myopia Prediction System, Feedback on Ophthalmic Examinations
- Where
- China
- Volunteers
- 20,000 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University