Clinical trials: High Myopia
High Myopia, Refractive Errors
Repeated Low-Level Red-Light Therapy for Shortening Axial Length
The purpose of this clinical trial is to confirm the incidence and magnitude of axial length shortening after RLRL therapy in Chinese high myopia children and teenagers.
- Conditions
- High Myopia, Refractive Errors, Eye Diseases
- Trial name
- NCT05550740
- Testing
- RLRL
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
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
Myopia
Control of Myopia in Young Children Using H.O.P.E. Lenses Combined With 0.02% Atropine Eye Drops
A multicenter, prospective, intervention study on the control of myopia in young children using high-order phase element array microstructure lenses (H.O.P.E.) in combination with low-concentration atropine eye drops (0.02%)
- Trial name
- NCT07846787
- Testing
- High-order Phase Element Array Microstructure Design Lens (H.O.P.E.), 0.02% Atropine Sulfate Eye Drops
- Where
- China
- Volunteers
- 264 people
- Sponsor
- Ruihua Wei
Diabetic Retinopathy (DR), Retinal Vein Occlusion (RVO)
High-throughput Large-model-based AI-assisted Diagnosis Using OCT
This observational study aims to establish key technologies for high-throughput, large-model-based AI-assisted diagnosis using optical coherence tomography (OCT) and OCT angiography (OCTA).
- Conditions
- Diabetic Retinopathy (DR), Retinal Vein Occlusion (RVO), Age-Related Macular Degeneration (AMD), Pathologic Myopia
- Trial name
- NCT07249307
- Testing
- No intervention
- Volunteers
- 2,000 people
- Sponsor
- Peking Union Medical College Hospital
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
Myopia, Severe
Large Cohort of 1000 Patients With Severe Myopia
The prevalence of myopia and severe myopia are increasing and will affect 50% and 10% of the population respectively. Severe myopia exposes an increased risk of glaucoma, cataract, retinal detachment and myopic maculopathy, a…
- Trial name
- MyoCo1000 (NCT05849974)
- Testing
- Structural and fonctional phynotyping
- Volunteers
- 1,000 people
- Sponsor
- Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts
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
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
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
Retinal Disease, Macular Retinoschisis
Pars Plana Vitrectomy Alone in the Treatment of Macular Schisis in High Myopic Eyes
High myopic schisis (HMF) has the clinical feature of separation between retinal layers. It is sometimes accompanied with foveal retinal detachment, macular lamellar hole, epiretinal membrane and vitreous retraction.
- Trial name
- NCT03586193
- Testing
- Pars plana vitrectomy
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Aier School of Ophthalmology, Central South University
Myopia, High Myopia
Efficacy and Safety of Spectacle Lenses With H.A.L.T. MAX Technology on High Myopia Control in Children and Adolescents
Children aged 7-14 years with high myopia were randomly assigned to a control group or an intervention group at a 1:1 ratio. The intervention group wore H.A.L.T.
- Trial name
- NCT07120737
- Testing
- H.A.L.T. MAX spectacles
- Where
- China
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
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
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
Refractive Error in Chinese Students
This cohort study aimed to assess the change of refractive status in Chinese school children.
- Trial name
- NCT05119543
- Testing
- outdoor time
- Where
- China
- Volunteers
- 36,452 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Myopia
A RCT of Spectacles With Aspherical Lenslets or 0.05% Atropine for Myopia Control
To date, randomized trials of low-concentration atropine eyedrops and specially designed spectacle lenses to slow the progression of myopia are limited in number and results are inconsistent in non-Asian children.
- Trial name
- NCT07095894
- Testing
- Atropine, Spectacles with HAL
- Where
- 18 sites in United States
- Volunteers
- 348 people
- Sponsor
- Jaeb Center for Health Research
Myopia
A Study to Evaluate the Product Performance of the PureVision®2 High Definition (HD) Contact Lens
The objective of this study is to evaluate the product performance of PureVision2 HD contact lenses.
- Trial name
- NCT01416142
- Testing
- PureVision2 HD contact lenses, Spectacles
- Where
- United States
- Volunteers
- 63 people
- Sponsor
- Bausch & Lomb Incorporated
Cataract
Visual Quality of Cataract Patients with High Myopia After Implantation of Different Intraocular Lenses
This prospective study aims to compare the visual outcomes following the implantation of two different types of multifocal intraocular lenses (IOLs) in highly myopic patients.
- Trial name
- NCT06892470
- Testing
- No intervention
- Where
- China
- Volunteers
- 62 people
- Sponsor
- Wenzhou Medical University
Choroidal Neovascularization
Effect of Intravitreal Bevacizumab on Non -Age-Related Macular Degeneration (AMD) Related Choroidal Neovascularization (CNV)
To evaluate the effect of bevacizumab for treatment of non-AMD choroidal neovascularization (CNV); eg:angioid streaks, ocular histoplasmosis, high myopia, idiopathic,etc
- Trial name
- NCT00370786
- Testing
- bevacizumab
- Where
- Iran
- Volunteers
- 31 people
- Sponsor
- Shahid Beheshti University of Medical Sciences
Myopia, Strabismus
Highly Aspherical Lenslet (HAL) and Binocular Vision (BV) Disorders [HALT X(T) Study]
Assess the effect and changes of eye misalignment (strabismus) with myopia control glasses Assess the efficacy of myopia control glasses on childhood myopia progression in children with strabismus due to the uncertainty…
- Trial name
- HALT XT (NCT06863675)
- Testing
- HAL lenses for children with strabismus, SVL for children with strabismus
- Where
- Singapore
- Volunteers
- 40 people
- Sponsor
- Singapore National Eye Centre
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