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Results for “Hyperopia and Myopia”

64 trials

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Showing 20 of 64 results

Not applicableStudy completedNCT01296867
What this trial is testing

Corneal Asphericity Adjustment (Q Adjustment) in Myopic and Hyperopic Patients Undergoing Refractive Correction With Excimer Laser

Who this might be right for
MyopiaHyperopia
Democritus University of Thrace 36
Not applicableStudy completedNCT05735990
What this trial is testing

Retrospective Clinical Investigation of the Safety and Performance of 640PM Trifocal IOL Implantation in Patients With Cataract and/or Ametropia (Hyperopia, Myopia) and/or Presbyopia

Who this might be right for
CataractPresbyopiaHyperopia+2 more
Medicontur Medical Engineering Ltd 21
Not applicableUnknownNCT05486741
What this trial is testing

Retinal Nerve Fiber Layer Thickness and Macular Thickness in Myopia, Hyperopia and Emmetropia : An OCT Study

Who this might be right for
OCT Study RNFL and Macular Thickness
Assiut University 450
Not applicableUnknownNCT05588362
What this trial is testing

Access to EyeGlasses for School-aged Children

Who this might be right for
MyopiaAmblyopiaHyperopia+1 more
Boston Children's Hospital 72
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 completedNCT03119675
What this trial is testing

Evaluation of a Smartphone Application, GoCheckKids™ as a Photo Screening Tool in a Pediatric Population

Who this might be right for
Amblyopia
Gobiquity Mobile Health 358
Post-approval studies (Phase 4)Study completedNCT00347204
What this trial is testing

Comparison of Acular LS Versus Nevanac for Pain Control in Eyes Undergoing PRK

Who this might be right for
MyopiaHyperopia
Center For Excellence In Eye Care 40
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
Not applicableEnrolling By InvitationNCT04712318
What this trial is testing

Treatment of Residual Refraction Errors 6 Months After Trifocal IOL Implantation With Relex-Smile

Who this might be right for
PseudophakiaMyopiaHyperopia
Eye Hospital Pristina Kosovo 130
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 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 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
Post-approval studies (Phase 4)UnknownNCT01977807
What this trial is testing

A Prospective Safety and Effectiveness Study of the 500 Hz Technolas Perfect Vision Excimer Laser in Asian Eyes Using LASIK

Who this might be right for
MyopiaHyperopiaPresbyopia
Technolas Perfect Vision GmbH 100
Not applicableStudy completedNCT03722784
What this trial is testing

Evaluation of Silicone Hydrogel Daily Wear Contact Lenses for Up to One (1) Month of Daily Wear

Who this might be right for
MyopiaHyperopiaAstigmatism
CooperVision, Inc. 88
Not applicableUnknownNCT06256770
What this trial is testing

Evaluation of the Safety and Efficacy of Rigid Breathable Scleral Contact Lenses for the Correction of Ametropia

Who this might be right for
Ocular Surface DiseaseIrregular AstigmatismContact Lens Complication+1 more
Tianjin Eye Hospital 176
Not applicableUnknownNCT00778570
What this trial is testing

Advanced Surface Ablation (ASA) vs Laser-Assisted In Situ Keratomileusis (LASIK)

Who this might be right for
NearsightednessFarsightednessAstigmatism
Ottawa Hospital Research Institute 4,000
Not applicableEnded earlyNCT06065631
What this trial is testing

Seeing to Learn in Sierra Leone

Who this might be right for
Refractive Errors
University of Minnesota 1,821
Not applicableStudy completedNCT00766168
What this trial is testing

High Refractive Index Material 510(k)

Who this might be right for
MyopiaHyperopia
CooperVision International Limited (CVIL) 76
Not applicableStudy completedNCT03653715
What this trial is testing

Bifocal Contact Lens Study for Adults With Age-Related Near Vision Loss

Who this might be right for
Presbyopia
Clerio Vision, Inc. 30
Not applicableStudy completedNCT01809197
What this trial is testing

Silicone Hydrogel Contact Lens Clinical and Comfort Benefits With a Multi-Purpose Disinfecting Solution

Who this might be right for
Refractive ErrorMyopiaHyperopia+2 more
Alcon Research 387
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