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Results for “Refractive Errors”

1,837 trials

Showing 20 of 1,837 results

Not applicableNot Yet RecruitingNCT06849895
What this trial is testing

Real-World Study of Myopia Prevention and Control in Children

Who this might be right for
MyopiaRefractive ErrorsChildren+1 more
Shanghai Eye Disease Prevention and Treatment Center 15,000
Not applicableStudy completedNCT05055076
What this trial is testing

PMCF Retrospective Study Outcomes of a Monofocal Toric Intraocular Lens

Who this might be right for
CataractLens OpacitiesAstigmatism
Beaver-Visitec International, Inc. 105
Not applicableStudy completedNCT01561560
What this trial is testing

Clinical Evaluation of Two Daily Disposable Silicone Hydrogel Contact Lenses

Who this might be right for
Myopia
Alcon Research 123
Large-scale testing (Phase 3)Active Not RecruitingNCT06542497
What this trial is testing

Evaluate Efficacy and Safety of POS to Improve Distance-corrected Near Visual in Participants With Presbyopia

Who this might be right for
Presbyopia
Ocuphire Pharma, Inc. 545
Not applicableStudy completedNCT02089191
What this trial is testing

Tear Film Stability of DAILIES® AquaComfort Plus® Contact Lenses vs. MyDay® Daily Disposable Contact Lenses

Who this might be right for
Refractive Error
Alcon Research 31
Not applicableStudy completedNCT01526291
What this trial is testing

Patient-Reported Outcomes With LASIK:PROWL-1

Who this might be right for
Laser in Situ Keratomileusis
Food and Drug Administration (FDA) 550
Not applicableStudy completedNCT02510820
What this trial is testing

The Clinical Performance of the Biofinity Contact Lens (Comfilcon A) With Two Lens Care Systems

Who this might be right for
Myopia
CooperVision, Inc. 51
Not applicableStudy completedNCT02310126
What this trial is testing

Handling Comparison Between Two Contact Lens Types

Who this might be right for
Presbyopia
Johnson & Johnson Vision Care, Inc. 195
Post-approval studies (Phase 4)UnknownNCT02112968
What this trial is testing

A Prospective Safety and Effectiveness Study of a New High Repetition Rate Excimer Laser Using LASIK for the Correction of Ammetropia and Presbyopia

Who this might be right for
MyopiaHyperopiaPresbyopia
Technolas Perfect Vision GmbH 97
Not applicableStudy completedNCT04219891
What this trial is testing

WaveLight® EX500 Excimer Laser System for the Correction of Myopia Using InnovEyes™ in Conjunction With InnovEyes™ Sightmap

Who this might be right for
Myopia
Alcon Research 272
Not applicableLooking for participantsNCT07276347
What this trial is testing

Comprehensive Assessment of Multiple Products (CAMP)

Who this might be right for
HyperopiaMyopia
CooperVision International Limited (CVIL) 250
Not applicableNot Yet RecruitingNCT05849974
What this trial is testing

Large Cohort of 1000 Patients With Severe Myopia

Who this might be right for
Myopia, Severe
Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts 1,000
Not applicableStudy completedNCT01663597
What this trial is testing

Optical Biometry and Spherical Aberration in Ametropic and Emmetropic Eyes

Who this might be right for
Refractive ErrorsAxial Length, EyeCorneal Wavefront Aberration
Medical University of Vienna 160
Not applicableStudy completedNCT03001258
What this trial is testing

Presbyopia Screening by Community Health Worker in Bangladesh

Who this might be right for
Presbyopia
Brac 2,001
Not applicableStudy completedNCT02553681
What this trial is testing

Clinical Evaluation of HPT Treated Rigid Contact Lenses Made From Roflufocon D

Who this might be right for
Ametropia
Contamac Ltd 45
Not applicableStudy completedNCT01912768
What this trial is testing

Safety and Efficacy Evaluation of a New Contact Lens Disinfecting Solution in Soft Contact Lens Wearers

Who this might be right for
MyopiaAstigmatismHyperopia+1 more
Alcon Research 362
Not applicableStudy completedNCT06967129
What this trial is testing

Evaluation of Daily Disposable Toric Soft Lenses Manufactured With an Alternative Hydration Process

Who this might be right for
Astigmatism
Johnson & Johnson Vision Care, Inc. 281
Not applicableStudy completedNCT01941498
What this trial is testing

WaveLight® Refractive Myopic Study

Who this might be right for
Refractive Error
Alcon Research 104
Not applicableUnknownNCT06062004
What this trial is testing

Evaluation of Different Lenticule Diameters in Myopic Astigmatism Correction With SMILE Procedures

Who this might be right for
Refractive ErrorsMyopic Astigmatism
Al Watany Eye Hospital 50
Not applicableStudy completedNCT00583908
What this trial is testing

Evaluation of Orientation and Visual Acuity of Four Toric Soft Contact Lenses When Head is Tilted at 90 Degrees

Who this might be right for
Astigmatism
Johnson & Johnson Vision Care, Inc. 14
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