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Results for “Myopia; Astigmatism”

178 trials

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Showing 20 of 178 results

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 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 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
Not applicableLooking for participantsNCT07201298
What this trial is testing

A Three-Phase Contralateral Comparison of Ray-Tracing Guided LASIK Versus Three Other Refractive Surgery Platforms to Correct Myopia or Myopia With Astigmatism

Who this might be right for
MyopiaAstigmatism
Hoopes Vision 120
Not applicableUnknownNCT02279446
What this trial is testing

Development of a Validated Chart for Intermediate Vision Assessment

Who this might be right for
MyopiaHyperopiaPresbyopia+1 more
Democritus University of Thrace 400
Not applicableLooking for participantsNCT06839898
What this trial is testing

A Prospective, Randomized Clinical Study of Two Phakic Toric Implantable Lenses

Who this might be right for
Myopia, ModerateMyopic AstigmatismMyopia, Degenerative
Biotech Healthcare Holding Gmbh 172
Post-approval studies (Phase 4)Study completedNCT04208750
What this trial is testing

Clinical Investigation of the Vision-R800 Device.

Who this might be right for
MyopiaHyperopiaAstigmatism+1 more
Pete Kollbaum, OD, PhD 119
Not applicableStudy completedNCT05959200
What this trial is testing

Clinical Performance Evaluation of Two Frequent Replacement Silicone Hydrogel Toric Contact Lenses

Who this might be right for
AmetropiaMyopiaHyperopia+1 more
Alcon Research 92
Not applicableStudy completedNCT00657670
What this trial is testing

Evaluation of Effectiveness of Correcting Refractive Error With Ready-made Spectacles

Who this might be right for
MyopiaHyperopiaAstigmatism
Johns Hopkins University 800
Large-scale testing (Phase 3)UnknownNCT01404884
What this trial is testing

SUPRACOR for Myopia and Myopic Astigmatism

Who this might be right for
MyopiaMyopic AstigmatismPresbyopia
Technolas Perfect Vision GmbH 60
Not applicableWithdrawnNCT02655432
What this trial is testing

Performance of a Photoscreener for Vision Screening in a Haitian Pediatric Population

Who this might be right for
AmblyopiaMyopiaHyperopia+7 more
Université de Montréal
Not applicableStudy completedNCT01579045
What this trial is testing

Effect of Head and Gaze Position on Soft Toric Contact Lens Performance

Who this might be right for
AstigmatismMyopia
Johnson & Johnson Vision Care, Inc. 24
Not applicableStudy completedNCT01912781
What this trial is testing

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

Who this might be right for
MyopiaAstigmatismHyperopia+1 more
Alcon Research 112
Not applicableWithdrawnNCT00347997
What this trial is testing

Evaluate the Safety and Effectiveness of the 217z Laser With Zyoptix for Lasik

Who this might be right for
MyopiaAstigmatism
Bausch & Lomb Incorporated
Not applicableStudy completedNCT05844397
What this trial is testing

SMILE vs. LASIK Using Contoura With Phorcides

Who this might be right for
MyopiaAstigmatism
59th Medical Wing 56
Not applicableEnded earlyNCT03610997
What this trial is testing

Photorefractive Keratectomy for Severe Anisometropia and Isoametropia Associated With Amblyopia

Who this might be right for
AnisometropiaHyperopiaHigh Myopia+3 more
Baylor College of Medicine 200
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