Refractive Errors clinical trials
The registry lists 412 studies for Refractive Errors across more than 10 countries. 61 are recruiting or about to start. Per ClinicalTrials.gov, last updated 2026-09-24.
Status
- Completed
- 267
- Status unknown
- 47
- Recruiting
- 34
- Not yet recruiting
- 25
- Active, not recruiting
- 15
- Terminated
- 13
Phase
- Phase 3
- 15
- Phase 2
- 8
- Phase 4
- 7
- Phase 1
- 3
Where
- United States
- 148
- China
- 40
- United Kingdom
- 19
- Canada
- 16
- France
- 12
- Singapore
- 12
Who runs them
Alcon Research (96) · Johnson & Johnson Vision Care, Inc. (23) · Essilor International (15) · CooperVision International Limited (CVIL) (12) · Zhongshan Ophthalmic Center, Sun Yat-sen University (11) · Shanghai Eye Disease Prevention and Treatment Center (9) · Democritus University of Thrace (9) · Tianjin Eye Hospital (8)
Studies
Recruiting first, then most recently updated. Showing 50 of 412 — search for more.
- Comparing Myopia Control Spectacle Lenses and Standard Single Vision Spectacle Lenses in Children With MyopiaNot yet recruitingNCT07839091Not applicable1 country
- ML Models Predicting Cycloplegic Refractive Error Based on Non-Cycloplegic Parameters in Myopic AdultsRecruitingNCT076908131 country
- IOL Position and Refractive Change After Nd:YAG Laser Posterior CapsulotomyNot yet recruitingNCT078021451 country
- Clinical Validation Study Protocol for SmartEyes Smart Optometry Measurement Device (Medical Device Clinical Validation Study)Not yet recruitingNCT07803094
- To Study the Effects of Refractive Surgery on OCT Measurements in the EyeRecruitingNCT058567861 country
- School-based Myopia Prevention Trial for Children With Insufficient Hyperopic ReserveRecruitingNCT07746804Not applicable1 country
- School-based Myopia Prevention Trial for Children With Adequate Hyperopic ReserveRecruitingNCT07746752Not applicable1 country
- School-based Myopia Control Trial for Children With Premyopia or MyopiaRecruitingNCT07746778Not applicable1 country
- IOL Power Formula Prediction Accuracy at the Extremes of Axial Length: A Prospective Outcome Verification StudyNot yet recruitingNCT077247951 country
- Cohort Study on Refractive Errors in Preschool ChildrenNot yet recruitingNCT077062181 country
- Comparison of Ketorolac Tromethamine 0.5%-Soaked Bandage Contact Lenses Versus Non-Medicated Bandage Contact Lenses on Postoperative Pain Control After Photorefractive KeratectomyNot yet recruitingNCT07705763Not applicable1 country
- Survey of Sensory Impairment Indicators Among Adults Aged 65 Years and Older in Xinxing CountyNot yet recruitingNCT076945051 country
- Comparison of PRESBYOND Laser Blended Vision and Conventional Monovision LASIK in Individuals With Presbyopia: A Randomized Clinical StudyRecruitingNCT07512089Not applicable1 country
- Comparing Myopia Control Spectacle Lenses for Visual Comfort, Adaptation, and Satisfaction in Myopic ChildrenNot yet recruitingNCT07683481Not applicable
- Corneal Epithelial Thickness Mapping by Anterior Segment Optical Coherence Tomography in Patients With Refractive ErrorsNot yet recruitingNCT076471461 country
- Community-Based Eye Screening With Structured Referral Tracking for Preventing Avoidable Blindness in Adults in Rawalpindi, PakistanNot yet recruitingNCT07611682Not applicable1 country
- Corneal Elastography and Patient Specific ModelingRecruitingNCT030307551 country
- Can Tailored Surgical Incisions Reduce Refractive Error and Dependence on Glasses After Cataract Surgery?Not yet recruitingNCT07623317Not applicable
- Strengthening Community- to- Hospital Eye Care Pathways From Boko Eye Care Center in Rural AssamNot yet recruitingNCT07333248Not applicable1 country
- Optimization for Toric Contact LensesNot yet recruitingNCT07557030Not applicable1 country
- Factors Influencing Subjective Visual Quality in Human EyesNot yet recruitingNCT07518316Not applicable
- Morphological Characteristics of the Maxillomandibular Region in a 3D Representation and the Refractive Status of the EyeRecruitingNCT074605571 country
- Cognitive Level Enhancement Through Vision Exams and RefractionRecruitingNCT05458323Not applicable1 country
- Retinopathy of Prematurity - Visual Function and Retinal StructureNot yet recruitingNCT074277191 country
- An Evaluation of Myopia Control Lenses on Wearing Experience in Myopic ChildrenRecruitingNCT07354945Not applicable1 country
- Clinical Data Collection of Myopic Patients After PTK-PRK With CZM MEL 90 Excimer LaserRecruitingNCT069963531 country
- Assessing the Turkish DDIVAT for Visual Acuity MeasurementNot yet recruitingNCT07240480
- Xinxing Eye Cohort StudyNot yet recruitingNCT07257536
- Measurment of Optic Disc Parameters, RNFL Thickness and Ganglion Cell Complex in Myopic, Hypermetropic and Emmetropic Patients Using OCT and Axial Length MeasurmentsNot yet recruitingNCT07241806
- Comparison Of Keratometric Readings Pre and Post Pterygium Excision With Conjunctival Autograft TransplantationEnrolling by invitationNCT07198126Not applicable1 country
- Optimizing Light Exposure for Myopia Prevention and Control (LightSPAN)RecruitingNCT06631339Not applicable1 country
- Measuring Changes In Choroidal Thickness Induced By Prototype Soft Contact Lenses Worn For 1 HourRecruitingNCT07155551Not applicable1 country
- North American Comfilcon A Clinical StudyRecruitingNCT069025841 country
- "My Eyes, My Light": Amar Chokh, Amar AloRecruitingNCT071355701 country
- Clinical Investigation of a Novel Spectacle Lens on Slowing Down Juvenile Myopia ProgressionRecruitingNCT06850168Not applicable1 country
- AOSLO-Based Precise Measurement of Retinal Hemodynamics: Development and Application AssessmentNot yet recruitingNCT07051317
- Evaluation of the Effects of Virtual Reality on Preoperative Anxiety in Refractive SurgeryRecruitingNCT07050498Not applicable1 country
- Algorithm-assisted Subjective Refraction Program Dedicated to ChildrenRecruitingNCT07046065Not applicable1 country
- A Study to Evaluate the Safety and Efficacy of the Bausch + Lomb Myopia Control Lens for the Correction of Myopic Ametropia and Slowing the Progression of Myopia in ChildrenRecruitingNCT06305663Not applicable1 country
- Research on a New Intelligent Mobile Screening and Diagnosis Pattern for Ocular DiseasesNot yet recruitingNCT07003165
- Clinical Study of SMILE 4.0-VISULYZE in Correcting Refractive ErrorsRecruitingNCT06982807Not applicable1 country
- The Objective of This Study is to Evaluate the Perfomance of a Photorefraction Device for Screening Ametropia in Children. Eligible Participants Will Undergo Multiple Refractive Error Measurements, Visual Acuity and Strabismus Assessments During a Single Evaluation Visit.RecruitingNCT06882408Not applicable1 country
- Correlation Between Preoperative Refraction and Anterior Segment Parameters With ICL VaultEnrolling by invitationNCT05670626Not applicable1 country
- Real-World Study of Myopia Prevention and Control in ChildrenNot yet recruitingNCT068498951 country
- Minimum Power and Frequency of Repeated Low-level Red-light to Effectively Control Myopia ProgressionRecruitingNCT06717048Not applicable1 country
- 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 SurgeryRecruitingNCT06625749Not applicable1 country
- A Prospective, Multi-Center Evaluation of Corneal Flap Creation Using Cheetah Femtosecond Laser System and Cheetah Patient InterfaceRecruitingNCT03789669Not applicable2 countries
- Clinical Investigation for a Multifunction Ophthalmic Measurement DeviceRecruitingNCT06565091Not applicable1 country
- The Effect of Refractive Errors on Central Corneal Thickness by Using Pentacam and IOL MasterNot yet recruitingNCT06484894
- Community Intervention and Demonstration Area ConstructionRecruitingNCT05715424Not applicable1 country