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Results for “Eye--Refractive Errors”

1,930 trials

Showing 20 of 1,930 results

Not applicableNot Yet RecruitingNCT06607640
What this trial is testing

Study of the Intervention Effect of Outdoor Activity Period Patterns in Promoting Myopia Among Preschool Children

Who this might be right for
Axial LengthMyopia
Fangbiao Tao 210
Not applicableStudy completedNCT01782482
What this trial is testing

A Comparison of Two Color Contact Lenses in Habitual Clear Contact Lens Wearers

Who this might be right for
MyopiaRefractive Error
Alcon Research 574
Not applicableStudy completedNCT01695369
What this trial is testing

Evaluation of Comfilcon A and Senofilcon A Lenses

Who this might be right for
Myopia
CooperVision, Inc. 61
Not applicableStudy completedNCT01959178
What this trial is testing

Evaluate a Mid Add Multi-Focal Soft Contact Lens

Who this might be right for
Presbyopia
Bausch & Lomb Incorporated 146
Not applicableStudy completedNCT05457608
What this trial is testing

Clinical Evaluation of Two Multifocal Contact Lenses

Who this might be right for
Presbyopia
CooperVision, Inc. 42
Not applicableStudy completedNCT03681808
What this trial is testing

Evaluate the Safety and Effectiveness of the Biotrue ONEday for Astigmatism

Who this might be right for
Astigmatism
Bausch & Lomb Incorporated 242
Not applicableUnknownNCT00627874
What this trial is testing

Trial of Myopia Prevention Using +3D Lenses

Who this might be right for
Myopia
Sun Yat-sen University 1,200
Very early researchStudy completedNCT06742541
What this trial is testing

ICL and LASIK for Hyperopic Astigmatism

Who this might be right for
AstigmatismHyperopia
McGill University 32
Not applicableStudy completedNCT01416142
What this trial is testing

Evaluate the Product Performance of the PureVision®2 High Definition (HD) Contact Lens

Who this might be right for
Myopia
Bausch & Lomb Incorporated 63
Not applicableStudy completedNCT00787579
What this trial is testing

Assessment of Bifocal and Prismatic Bifocal Spectacles for Myopia Control in Children

Who this might be right for
Myopia
Essilor International 135
Not applicableStudy completedNCT00630305
What this trial is testing

Endothelial Bleb Response With Toric Lenses

Who this might be right for
Ametropia
Johnson & Johnson Vision Care, Inc. 37
Not applicableUnknownNCT06266910
What this trial is testing

Effects of Autostereoscopic 3D Visual Training on Binocular Vision Function of Myopes

Who this might be right for
Myopia
Zhongshan Ophthalmic Center, Sun Yat-sen University 80
Not applicableStudy completedNCT02886923
What this trial is testing

Evaluation of Vision Effects of a Cosmetic Tinted Hydrogel Contact Lens

Who this might be right for
Refractive Error
Johnson & Johnson Vision Care, Inc. 24
Not applicableStudy completedNCT03191942
What this trial is testing

Variation of Orthokeratology Lens Treatment Zone (VOLTZ) Study

Who this might be right for
Myopia
The Hong Kong Polytechnic University 70
Not applicableUnknownNCT01216475
What this trial is testing

Randomized, Non-inferiority Trial Comparing SMILE and LASIK

Who this might be right for
MyopiaAstigmatismHypermetropia
Singapore National Eye Centre 70
Not applicableStudy completedNCT02550353
What this trial is testing

Changes Between Lenticule Extraction and Femtosecond Laser-assisted Laser in Situ Keratomileusis

Who this might be right for
MyopiaAstigmatism
Sun Yat-sen University 75
Not applicableStudy completedNCT03312257
What this trial is testing

Bifocal & Atropine in Myopia (BAM) Study

Who this might be right for
Refractive Errors
Jenny Jones 49
Not applicableStudy completedNCT02903628
What this trial is testing

The Model Building and Empirical Research of Eye Health Interventions for Children

Who this might be right for
Myopia
Wenzhou Medical University 1,517
Not applicableStudy completedNCT02028351
What this trial is testing

Vision Measured by the Vimetrics CVA Compared With Chart Testing Under Similar Luminance and Contrast Conditions

Who this might be right for
Refractive ErrorCataractMaculopathy
Sinclair Technologies, LLC 150
Not applicableStudy completedNCT03496701
What this trial is testing

Performance of Wearers of Stenfilcon A Contact Lenses After A Refit With Test Lenses

Who this might be right for
Myopia
CooperVision, Inc. 77
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