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Results for “Astigmatism”

466 trials

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Showing 20 of 466 results

Not applicableStudy completedNCT06052046
What this trial is testing

Total30 for Astigmatism Contact Lenses

Who this might be right for
Contact Lens ComplicationAstigmatismRefractive Errors
Southern College of Optometry 48
Not applicableEnded earlyNCT05888337
What this trial is testing

Comparison of Contoura Vision Outcomes Programmed Using the Manifest Refraction Verses Using Phorcides Planning Software in Patients With Oblique Astigmatism

Who this might be right for
MyopiaAstigmatism
Bismarck Lasik 9
Not applicableUnknownNCT04913883
What this trial is testing

Laser Correction of Astigmatism Using Vector Analysis

Who this might be right for
Astigmatism
Assiut University 50
Not applicableStudy completedNCT03684928
What this trial is testing

A Bilateral Dispensing Comparison of Comfilcon A Over Senofilcon C Contact Lenses

Who this might be right for
Astigmatism Bilateral
CooperVision, Inc. 45
Not applicableStudy completedNCT03097302
What this trial is testing

Tomographic Analysis of Anterior, Posterior, Total Corneal Refractive Power Changes After Laser-assisted Keratotomy

Who this might be right for
Corneal Astigmatism
University Clinic Frankfurt 23
Not applicableWithdrawnNCT05805345
What this trial is testing

Clinical Comparison of Toric Contact Lenses Fit Characteristics

Who this might be right for
AstigmatismRefractive Errors
Alcon Research
Not applicableLooking for participantsNCT07127757
What this trial is testing

Clinical Evaluation of WaveLight Plus LASIK

Who this might be right for
MyopiaAstigmatism
Laser Defined Vision 50
Not applicableStudy completedNCT02103309
What this trial is testing

Comparative Evaluation of Contact Lens Centering of DAILIES® AquaComfort Plus® Versus 1-DAY ACUVUE® MOIST® in Japan

Who this might be right for
Refractive ErrorMyopiaMyopic Astigmatism
Alcon Research 42
Not applicableStudy completedNCT04903301
What this trial is testing

Patient Satisfaction With Contoura Vision Topography-Guided LASIK

Who this might be right for
MyopiaAstigmatism
Rush Eye Associates 50
Not applicableStudy completedNCT01461811
What this trial is testing

Prospective Study of an Investigational Toric Soft Contact Lens

Who this might be right for
MyopiaAstigmatismRefractive Error
CIBA VISION 154
Not applicableLooking for participantsNCT03803852
What this trial is testing

Rotation of Hydrophobic Acrylic Lenses - Rayner RA0800C & Alcon Clareon & Hoya Nanex & Hoya Vivinex XY1-EM & RayOne EMV Toric & PODEYE Toric

Who this might be right for
Age Related CataractsAstigmatism
Medical University of Vienna 750
Not applicableUnknownNCT00563667
What this trial is testing

Effect of Pterygium Excision on Intraocular Lens Power Calculation for Subsequent Cataract Operation

Who this might be right for
PterygiumCataractAstigmatism
Hospital Authority, Hong Kong 40
Not applicableStudy completedNCT05688657
What this trial is testing

Clinical Evaluation of Two Toric Contact Lenses

Who this might be right for
Astigmatism
CooperVision, Inc. 42
Not applicableStudy completedNCT01268540
What this trial is testing

Comparison of Aspheric Toric & Non-toric Aphakic Intraocular Lenses

Who this might be right for
AphakiaCataract
Hoya Surgical Optics, Inc. 235
Not applicableStudy completedNCT03050697
What this trial is testing

Evaluation of the Safety and Performance of the HARMONI® Toric Lens

Who this might be right for
AphakiaCorneal AstigmatismCataract
ClarVista Medical 16
Not applicableUnknownNCT05829980
What this trial is testing

Contoura vs Wavefront Optimized Ablation

Who this might be right for
Astigmatism
Hebatallah MT Abdelmoniem 128
Not applicableStudy completedNCT05796674
What this trial is testing

Clareon IOL Retrospective Data Collection

Who this might be right for
AphakiaAstigmatism
Alcon Research 1,090
Not applicableLooking for participantsNCT07303920
What this trial is testing

Wear Experience With Daily Disposable Contact Lenses for Astigmatism Over a Long-Wear Day

Who this might be right for
Astigmatism
Ohio State University 40
Not applicableStudy completedNCT05097144
What this trial is testing

Performance of Toric Silicone Hydrogel Contact Lenses

Who this might be right for
AstigmatismMyopia
CooperVision, Inc. 36
Not applicableEnrolling By InvitationNCT06857032
What this trial is testing

Long-term Safety and Effectiveness of LASIK-Xtra Compared to Conventional LASIK

Who this might be right for
TomographyCorneal BiomechanicsManifest Ref+3 more
University Clinic Frankfurt 12
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