Clinical trials: Short-Sighted
Myopia
Discontinuation of Lens Wear in New Ortho-k Children (DOEE2)
This study aims at investigating the efficacy of myopic control using ortho-k in younger and older children.
- Trial name
- DOEE2 (NCT01236755)
- Testing
- single-vision glasses, ortho-k lenses
- Where
- China
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Choroidal Neovascularization, Age Related Macular Degeneration
SD-OCT-guided Intravitreal Ranibizumab Treatment in Choroidal Neovascularization Due to Myopia
This investigator initiated pilot study is designed to investigate the efficacy and safety of SD-OCT-guided intravitreal ranibizumab treatment in choroidal neovascularization (CNV) due to myopia.
- Trial name
- NCT03409250
- Testing
- Ranibizumab, Lucentis
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Vista Klinik
Myopia
Stellest Lenses and Low-concentration Atropine Myopia Control Among Children
The prevalence of myopia is increasing globally, especially in Asian countries. 70-80% of the young population suffers from myopia, and almost 20% have high myopia.
- Trial name
- NCT06344429
- Testing
- Stellest Lenses, Stellest Lenses+0.05% atropine, Single vision Lenses+0.05% atropine
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Essilor-Polylite Taiwan Co., Ltd.
Myopia
Association of Genetic Variants With Myopia
This study aims to identify genetic factors linked to myopia, including those that influence a person's risk of developing it and how quickly it progresses (like changes in eye length).
- Trial name
- NCT07030153
- Testing
- Oral swab DNA analyzed for myopia-related gene variants
- Where
- 2 sites in China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Beijing Visionly Plus Eye Hospital
Myopia
Soft Contact Lens Fitting With Different Sagittal Height
To evaluate whether there is a difference in subjective and objective fit of soft lenses with different sagittal height
- Trial name
- NCT05962528
- Testing
- Soft lens
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Contact Lens Complication
The Impact of Soft Contact Lenses on the Corneal Neuromediators and Optical Quality in High Myopia Prior to SMILE
To investigate the influence of Neuromediators expression in corneal stromal lenticules and corneal injury repair after small incision extraction
- Trial name
- NCT06650306
- Testing
- This study does not involve any interventions
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- yuhao shao
MODERATE AND HIGH MYOPIA
A Comparison of Photorefractive Keratectomy (PRK), PRK With Mitomycin-C and Laser Subepithelial Keratomileusis (LASEK) in the Treatment of Moderate and High Myopia
The purpose of this study is to assess whether there is a significant difference in visual outcomes or corneal haze after surface ablation for moderate and high myopia in active duty service members treated with PRK, Mitomycin-C…
- Trial name
- NCT00415077
- Testing
- PRK, MMC PRK, LASEK
- Where
- United States
- Volunteers
- 960 people, healthy volunteers welcome
- Sponsor
- Walter Reed Army Medical Center
Myopia
AI-Stratified Myopia Control for Children in Remote Areas
This cluster-randomized controlled trial aims to evaluate the effectiveness and cost-effectiveness of an artificial intelligence-based, risk-stratified, tiered intervention model for childhood myopia prevention and control in…
- Trial name
- NCT07825428
- Testing
- Routine Screening and Referral, AI-Guided Tiered Management
- Where
- 3 sites in China
- Volunteers
- 1,600 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia
Comparison of Lens Care Regimens With a Silicone Hydrogel Lens (Emerald)
The purpose of the study is to evaluate and compare, on a daily wear basis, the performance of two contact lens care solutions when used with silicone hydrogel soft contact lenses with regards to comfort and dryness symptoms.
- Trial name
- NCT00520351
- Testing
- ClearCare, Optifree Replenish
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
Retinal Diseases, Choroidal Disease
An Interpretable Fundus Diseases Report Generating System Based On Weakly Labelings
To establish a multimodal fundus image report generation model to realize an interpretable system for multiple fundus diseases, multimodal image analysis, diagnosis, and treatment decision automatic reporting based on weakly…
- Conditions
- Retinal Diseases, Choroidal Disease, Pathological Myopia, Diabetic Retinopathy
- Trial name
- NCT06918028
- Testing
- With fundus diseases, Without fundus diseases
- Where
- China
- Volunteers
- 9,999 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Myopia
Evaluation of the Efficacy in Decreasing Myopia Progression of the Proposed Ophthalmic Lens Prototypes
Evaluation of the efficacy in decreasing myopia progression of the proposed ophthalmic lens prototypes.
- Trial name
- NCT05250206
- Testing
- Myopia control lens
- Where
- Spain
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Indizen Optical Technologies, S.L.U.
Myopia Progression
Orthokeratology Lens Decentration with Two Designs of Corneal Refractive Therapy™ Lenses: a One-year Prospective Study
Background/Objectives: To examine the trend of treatment zone (TZ) decentration over 12 months of Orthokeratology (OK) wear using two corneal refractive therapy (CRT) lens designs: standard (STD) and dual axis (DA).
- Trial name
- NCT06726499
- Testing
- Spherical CRT, Toric CRT
- Where
- Spain
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Universidad Complutense de Madrid
Refractive Surgery, Refractive Error - Myopia
Evaluate the Safety and Effectiveness of the AccuraSee™ IOPCL for Secondary Implantation in the Capsular Bag to Improve Near and/or Intermediate Vision Following Previous Cataract Surgery
This is a study to evaluate the safety and effectiveness of the AccuraSee™ intraocular pseudophakic capsular lens (IOPCL) to improve near and/or intermediate vision following previous cataract surgery.
- Trial name
- NCT06625749
- Testing
- Accurasee™ IOPCL
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- OnPoint Vision Inc
Myopia
Efficacy of Chinese Ocular Exercise on Visual Acuity and Ocular Accommodation in Myopic Teenager
To assess whether Chinese ocular exercise is effective in altering distant and near visual acuity, ocular accommodation and visual symptoms in myopic teenager, and thus might have the possibility of slowing myopia progression in…
- Trial name
- NCT01756287
- Testing
- Chinese ocular exercise
- Where
- China
- Volunteers
- 190 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Presbyopia, Myopia
APIOC for Presbyopia and APIOC for Presbyopia With Astigmatism
Vision and comfort, both objective and subjective, will be assessed for single vision contact lens wearers for either the APIOC™ for Presbyopia or the APIOC™ for Presbyopia Astigmatism contact lenses.
- Conditions
- Presbyopia, Myopia, Hyperopia, Astigmatism
- Trial name
- NCT04883099
- Testing
- APIOC for Presbyopia and APIOC for Presbyopia for Astigmatism
- Where
- 6 sites in United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Lentechs, LLC
Myopia
A Comprehensive Assessment of Anterior Corneal Power by Different Devices
To comprehensively assess the precision and agreement of anterior corneal power measurements using 8 different devices.
- Trial name
- NCT01587287
- Testing
- Corneal power measurement
- Where
- China
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Wenzhou Medical University
Myopia (Disorder), Astigmatism
Optical Quality of the Cornea in Orthokeratology
Analyzing Optical Quality After the Use of Overnight Orthokeratology (Ortho-K)
- Trial name
- COPCORTO (NCT06775509)
- Testing
- Ortho-K
- Where
- Spain
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Institut Investigacio Sanitaria Pere Virgili
Myopia
Daily Disposable Dispensing Clinical Trial of Test Lens Against Stenfilcon A Lens
The purpose of this study is to investigate the overall clinical performance of the test daily disposable stenfilcon A lens with solution additive (test) compared to the stenfilcon A lens (control).
- Trial name
- NCT03024970
- Testing
- stenfilcon A lens with solution additive (test), stenfilcon A lens (control)
- Where
- 2 sites in United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia
CHILDREN MYOPIA CONTROL
The purpose of this trial is evaluating the clinical effect of a myopia control spectacle lens compared to a single vision spectacle lens in slowing down the progression of myopia in children living in Israel.
- Trial name
- NCT05477329
- Testing
- Lenses
- Where
- Israel
- Volunteers
- 136 people, healthy volunteers welcome
- Sponsor
- Shamir Optical Industry Ltd
Refractive Surgery
Comparison Between the SBK Microkeratome Versus Femtosecond Laser in Flap Creation During LASIK Surgery for Myopia
LASIK is the most commonly performed refractive surgery worldwide. It has been shown to be safe and effective procedure with predictable results over long term follow ups.
- Trial name
- NCT05406973
- Testing
- SBK microkeratome versus femtosecond laser in flap creation
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Kasr El Aini Hospital