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Results for “Myopia; Astigmatism”

177 trials

Showing 20 of 177 results

Not applicableUnknownNCT06229301
What this trial is testing

Artificial Intelligence Assisted Small Incision Lenticule Extraction (SMILE) for Surgical Design and Influencing Factors

Who this might be right for
MyopiaMyopic Astigmatism
Tianjin Eye Hospital 3,000
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 applicableEnded earlyNCT06462456
What this trial is testing

Post-market Clinical Follow-up Study of Alcon PRECISION1™ Spherical and PRECISION1™ for Astigmatism Soft Contact Lenses

Who this might be right for
Refractive Errors
Alcon Research 140
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 applicableUnknownNCT03313921
What this trial is testing

The MORE Study: Manifest vs. Online Refraction Evaluation

Who this might be right for
Refraction ErrorMyopiaAstigmatism
UMC Utrecht 150
Not applicableStudy completedNCT07291739
What this trial is testing

A Clinical Evaluation of a Phakic Intraocular Lens

Who this might be right for
MyopiaHyperopiaAstigmatism+1 more
Staar Surgical Company 47
Testing effectiveness (Phase 2)Study completedNCT01024855
What this trial is testing

Comparative Evaluation of Corneal Staining With Balafilcon A Lenses and Two Multi-Purpose Solutions

Who this might be right for
MyopiaHyperopiaAstigmatism
Abbott Medical Optics 30
Not applicableUnknownNCT06044688
What this trial is testing

EyeQue VisionCheck 510(k) Clinical Trial

Who this might be right for
Refractive ErrorsAstigmatism
EyeQue Corp. 156
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 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 completedNCT06812572
What this trial is testing

A Prospective Clinical Study to Evaluate the Repeatability of the Visibly Vision Test

Who this might be right for
MyopiaAstigmatism
Visibly 25
Not applicableStudy completedNCT01211535
What this trial is testing

Subjective Comfort With Multipurpose Care Solutions in Soft Contact Lens Wearers

Who this might be right for
MyopiaAstigmatismRefractive Error
Alcon Research 104
Not applicableStudy completedNCT03569423
What this trial is testing

Comparison Between TPRK Versus AAPRK in Correction of Myopia

Who this might be right for
Refractive SurgeryMyopia
Minia University 100
Not applicableLooking for participantsNCT05486546
What this trial is testing

Contoura With Phorcides Compared to Wavefront Optimized LASIK

Who this might be right for
MyopiaAstigmatism
Daniel Terveen 120
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 completedNCT01293240
What this trial is testing

Prospective Study of Lens Performance of a Monthly Replacement Lens at Two Weeks and Four Weeks

Who this might be right for
MyopiaAstigmatismPresbyopia
CIBA VISION 117
Large-scale testing (Phase 3)UnknownNCT00928122
What this trial is testing

Intrastromal Correction of Ametropia by a Femtosecond Laser

Who this might be right for
PresbyopiaMyopiaHyperopia+1 more
20/10 Perfect Vision 200
Not applicableActive Not RecruitingNCT05611294
What this trial is testing

Contralateral Study of Topography Guided LASIK Versus Small Incision Lenticule Extraction

Who this might be right for
MyopiaAstigmatism
Hoopes Vision 42
Not applicableStudy completedNCT05483127
What this trial is testing

Clinical Comparison of Two Daily Disposable Toric Soft Contact Lenses

Who this might be right for
AstigmatismAmetropiaMyopia
Alcon Research 153
Not applicableLooking for participantsNCT02576483
What this trial is testing

An Evaluation of LASIK, SMILE and PRK Surgery in Physicians

Who this might be right for
NearsightednessFarsightednessAstigmatism
Stanford University 700
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