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Results for “Irregular Astigmatism”

13 trials

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Showing 13 of 13 results

Not applicableStudy completedNCT06673992
What this trial is testing

Evaluation of Corneal Irregular Astigmatism and Visual Quality Following Bilateral Sequential Small Incision Lenticule Extraction (SMILE) and Laser Subepithelial Keratomileusis (LASEK): A Six-Year Comparative Study

Who this might be right for
Myopia
Shanghai 10th People's Hospital 71
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 applicableStudy completedNCT05574270
What this trial is testing

Clinical Investigation of a Small Aperture Extended Depth of Focus Intraocular Lens in Patients With Complex Corneas

Who this might be right for
CataractPresbyopiaIrregular Astigmatism
AcuFocus, Inc. 45
Not applicableStudy completedNCT02444923
What this trial is testing

Scleral Versus Corneal RGP Contact Lenses in Irregular Cornea Disorders

Who this might be right for
Irregular; Contour of CorneaKeratoconusPellucid Marginal Corneal Degeneration+2 more
London South Bank University 30
Not applicableNo Longer AvailableNCT01384773
What this trial is testing

Progressive Keratoconus or Ectasia Treatment Plan

Who this might be right for
KeratoconusEctasia
Stephen Trokel
Not applicableUnknownNCT02894489
What this trial is testing

Changes of Visual Function, Ocular Surface Structures and Physiology After Long-Termed Contact Lens Wear

Who this might be right for
Ocular Surface DiseaseKeratoconusIrregular Astigmatism
National Taiwan University Hospital 40
Not applicableLooking for participantsNCT06921967
What this trial is testing

Effect of Corneal and Scleral RGP Lenses on Ocular Health and Visual Quality in Keratoconus

Who this might be right for
KeratoconusIrregular Astigmatism
University of Aarhus 50
Not applicableActive Not RecruitingNCT04987060
What this trial is testing

Intrastromal Fresh Human Corneal Lenticule Implantation Using Smile Surgery for Treatment of Irregular Corneal Astigmatism After Penetrating Keratoplasty (new Approach)

Who this might be right for
Irregular Astigmatism
Eye Hospital Pristina Kosovo 24
Not applicableUnknownNCT04698590
What this trial is testing

Wavefront Guided Scleral Lenses for Keratoconus and Irregular Astigmatism

Who this might be right for
KeratoconusIrregular AstigmatismCorneal Ectasia+4 more
Cornea and Laser Eye Institute 100
Not applicableWithdrawnNCT01789333
What this trial is testing

Higher Irradiance in Keratoconus Ectasia

Who this might be right for
KeratoconusEctasia
Stephen Trokel
Not applicableStudy completedNCT03140046
What this trial is testing

Visual Outcomes of Topography Guided Photorefractive Keratectomy (PRK) for Treatment of Patients With Irregular Cornea

Who this might be right for
Irregular Astigmatism
Assiut University 20
Not applicableUnknownNCT02812316
What this trial is testing

Study to Evaluate the Safety and Efficacy of HI-BRITE Large Diameter Rigid Gas Permeable Contact Lens

Who this might be right for
Refractive Errors
Taipei Medical University Hospital 136
Not applicableLooking for participantsNCT07294716
What this trial is testing

Improving Visual Quality in Patients With Irregular Corneas Using Asymmetrical Toric Intraocular Lenses

Who this might be right for
Irregular AstigmatismAstigmatismCataract and IOL Surgery
Johannes Kepler University of Linz 15