Search clinical trials for: Corneal astigmatism

Total 2452 results

Alcon Research

Recruiting

Clareon Toric Study (T2-T9)

Corneal Astigmatism | Aphakia

Canada
Tianjin Eye Hospital

Recruiting

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

Corneal Astigmatism | Ocular Surface Disease | Contact Lens Complication | Irregular Astigmatism

China
Ain Shams University

Not yet recruiting

Changes in Angle Kappa and Corneal Back Elevations After Laser in Situ Keratomileusis in Myopic Astigmatism

Refractive Errors
Peking University Third Hospital

Not yet recruiting

Total Corneal Astigmatism Prevalence in Cataract Patients

Cataract

China
Sohag University

Not yet recruiting

Limbal Relaxing Incisions Versus Paired 4 mm Clear Corneal Incisions on Steep Meridian During Phacoemulsification (LRI-CCI)

Corneal Astigmatism
Kenneth J Rosenthal
Johnson & Johnson Surgical Vision, Inc.

Not yet recruiting

Astigmatism Management With Iris-registration Guided Corneal Relaxing Incisions or Toric IOLs During Cataract Surgery

Cataract | Astigmatism

United States
Wenzhou Medical University

Not yet recruiting

The Long-term Outcome After Toric Intraocular Lens Implantation

Cataract | Corneal Astigmatism
Carl Zeiss Meditec AG

Not yet recruiting

Feasibility Investigation of Biometry and Tomography Measurements in a Heterogeneous Patient Cohort (BioBase)

Cataract | Corneal Astigmatism | Corneal Defect | Corneal Deformity | Lens Opacities | Artificial Lens Implant
Suleman Roshan Medical College

Not yet recruiting

Effect of Single Incision Versus Three Planned Incisions to Reduce Pre-operative Astigmatism After Phacoemulsification.

Astigmatism of Both Eyes

Pakistan
Wenzhou Medical University

Not yet recruiting

Influence of Different Toric Intraocular Lenses on IOL-capsular Complex

Cataract | Corneal Astigmatism
Ziemer Ophthalmic Systems AG
Tigermed Consulting Co., Ltd

Recruiting

Efficacy and Safety of CLEAR in Myopia and Astigmatism in Chinese Population

Myopic Astigmatism

China
Centre hospitalier de l'Université de Montréal...

Recruiting

Comparison of Phacoemulsification and Corneal Damage Between FLACS and Standard Phaco With Two Handpieces

Cataract | Astigmatism | Corneal Endothelial Cell Loss

Canada
Fondation Ophtalmologique Adolphe de Rothschild

Recruiting

Photorefractive Keratectomy (PRK) : Comparison of Corneal Haze Between Two Modes of De-epithelialisation (Laser Versus Manual Alcohol) (H-TransPKR)

Astigmatism | Myopia

France
Ziemer Ophthalmic Systems AG

Recruiting

LASIK Surgery With a New Laser for the Treatment of Myopia Without Astigmatism (AQUARIUZ2020)

Astigmatism | Myopia

Switzerland
Technische Universität Dresden

Recruiting

Dresden Corneal Disease and Treatment Study

Corneal Astigmatism | Keratoconus | Corneal Ectasia | Corneal Disease | Keratopathy

Germany
Ziemer Ophthalmic Systems AG

Recruiting

Comparison of Femto-laser and Manually Created Clear Corneal Incisions During Cataract Surgery (Z8_CCI)

Cataract

Switzerland
London Vision Clinic
Optana GmbH

Recruiting

Treatment of Vision Disturbances Due to Corneal Irregularities by Trans-epithelial Optical Phototherapeutic Keratectomy (TE-oPTK)

Corneal Astigmatism

United Kingdom
Wenzhou Medical University

Recruiting

Accuracy of Corneal Astigmatism in Different Region Modes

Astigmatism | Cornea

China
Cornea and Laser Eye Institute

Active, not recruiting

Wavefront Guided Scleral Lenses for Keratoconus and Irregular Astigmatism (WFG Sclerals)

Keratoconus | Corneal Ectasia | Irregular Astigmatism | Aberration, Corneal Wavefront | Wavefront Aberration, Corneal | Pellucid Marginal Corneal Degeneration | Keratoglobus

United States
Milton S. Hershey Medical Center

Completed

Femtosecond Laser Assisted Keratotomies for the Management of Corneal Astigmatism

Cataract | Astigmatism

United States
The S.N. Fyodorov Eye Microsurgery State Institution
Alcon Research

Completed

Evaluation of Axial Stability of Two Models of Intraocular Lenses in Patients With an Eye Length More Than 26 mm

Corneal Astigmatism | Cataract Senile | Myopia, High-Grade

Russian Federation
Bausch & Lomb Incorporated

Completed

Retrospective Chart Review of enVista Toric 0.9D Intraocular Lenses

Corneal Astigmatism

Canada
Eye Hospital Pristina Kosovo

Active, not recruiting

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

Irregular Astigmatism

Kosovo
Assiut University

Completed

Manually Performed Limbal Relaxing Incisions vs Femtosecond Laser-guided Astigmatic Keratotomy

Corneal Astigmatism

Egypt
Eye Hospital Pristina Kosovo

Active, not recruiting

Fresh Corneal Lenticule Implantation in Hyperopic Patients With High Astigmatism

Hyperopia | High Astigmatism

Kosovo
Johnson & Johnson Surgical Vision, Inc.

Completed

Post-Approval Study of the TECNIS SYMFONY® Toric Lenses (ANCORA)

Cataract | Corneal Astigmatism

United States
Johnson & Johnson Surgical Vision, Inc.

Completed

Clinical Investigation of Two Tecnis Investigational Lenses

Cataract | Corneal Astigmatism

Australia, New Zealand
Stephen Trokel

No longer available

Progressive Keratoconus or Ectasia Treatment Plan

Keratoconus | Ectasia

United States
Stephen Trokel

Withdrawn

Higher Irradiance in Keratoconus Ectasia

Keratoconus | Ectasia

United States
Alcon Research

Completed

Clinical Investigation of the Visual Outcomes and Safety of a Trifocal Toric IOL in an Asian Population

Corneal Astigmatism | Aphakia

Australia
Centre hospitalier de l'Université de Montréal...

Completed

Visual Results of the Acrysof IQ Vivity Toric Extended Vision Intraocular Lens

Cataract | Presbyopia | Corneal Astigmatism

Canada
Medical University of Lodz

Completed

Evaluation of the Impact of Corneal Width on Surgically Induced Astigmatism (SIA) and Functional Results After Bimanual 1.4 mm Microincision Cataract Surgery (B-MICS), Coaxial 1.8 mm MICS (C-MICS) and 2.4 mm Small Incision Cataract Surgery (C-SICS). (MICS)

Cataract | Corneal Astigmatism | Corneal Incision Contracture
Alcon Research

Completed

Clinical Investigation of an AcrySof IQ PanOptix Toric Intraocular Lens

Corneal Astigmatism | Aphakia

Japan
Technische Universität Dresden
Fraunhofer Institute for Ceramic Technologies and Systems IKTS

Completed

Computer-aided Diagnosis of Ocular Diseases Based on Corneal Biomechanics (EyeTwin)

Glaucoma | Corneal Astigmatism | Keratoconus | Open Angle Glaucoma | Corneal Ectasia | Corneal Disease | Normal Tension Glaucoma

Germany
Johnson & Johnson Surgical Vision, Inc.

Completed

Evaluation of the Rotational Stability of the Tecnis Toric II IOL (STEELE)

Cataract | Corneal Astigmatism

United States
Johnson & Johnson Surgical Vision, Inc.

Completed

Post-market Study to Obtain Surgeon Feedback on Clinical Outcome in Eyes Implanted With TECNIS Toric II IOL

Cataract | Corneal Astigmatism

United States
Gainesville Eye Associates
Science in Vision

Completed

Femtosecond Laser-assisted Arcuate Incisions Versus Manual Arcuate Incisions Outcomes

Cataract

United States
Johnson & Johnson Surgical Vision, Inc.

Completed

Clinical Investigation of the Safety and Effectiveness of an Investigational Model of the TECNIS® Intraocular Lens (BRAVO)

Cataract | Corneal Astigmatism

United States
RxSight, Inc.

Completed

Exploratory Study to Evaluate Uncorrected Distance Vision and Quality of Vision After Light Treatments of an Implanted RxSight Light Adjustable Lens (RXLAL) With The Light Delivery Device (LDD) in Subjects With Preoperative Corneal Astigmatism

Cataract | Aphakia

Mexico
Second Affiliated Hospital, School of Medicine,...

Completed

Effect of 1.8-mm Steep-axis Clear Corneal Incision on the Posterior Corneal Astigmatism in Candidates for Toric IOL Implantation

Cataract

China
RxSight, Inc.

Completed

Clinical Study to Evaluate the RxSight Light Adjustable Lens With the Light Delivery Device in Subjects With Preoperative Corneal Astigmatism

Cataract

Germany, United Kingdom
Glaukos Corporation

Terminated

Safety and Efficacy of Corneal Collagen Cross-linking Following LASIK for Treatment of Hyperopia and Hyperopic Astigmatism

Hyperopia | Hyperopic Astigmatism

United States
Bausch & Lomb Incorporated

Completed

Hydrophobic Acrylic Toric IOL Designed to Reduce the Effects of Preoperative Corneal Astigmatism

Astigmatism

United States
ClarVista Medical

Completed

ClarVista HARMONI Toric Trial With Intraoperative Exchange

Cataract | Corneal Astigmatism | Aphakia

Mexico, Philippines
ClarVista Medical

Completed

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

Cataract | Corneal Astigmatism | Aphakia

New Zealand
Al-Rasheed University College
Baghdad Medical City

Completed

Incisional Correction of Corneal Astigmatism During Phacoemulsification

Astigmatism

Iraq
Cairo University

Unknown

Contribution of Posterior Corneal Astigmatism to Total Corneal Astigmatism in a Sample of Egyptian Population

Corneal Astigmatism

Egypt
Aier School of Ophthalmology, Central South University

Unknown

Multi-center Ocular Biological Parameters Study

Cataract

China
London South Bank University

Completed

Scleral Versus Corneal RGP Contact Lenses in Irregular Cornea Disorders

Keratoconus | Irregular Astigmatism | Irregular; Contour of Cornea | Pellucid Marginal Corneal Degeneration | Injury of Cornea

United Kingdom
University Clinic Frankfurt
Glaukos Corporation

Completed

Laser In-situ Keratomileusis With Crosslinking Compared to Conventional LASIK in Patients With High Myopia

Myopia | Corneal Ectasia | Myopic Astigmatism | Crosslinking | Myopic Regression

Germany

Search clinical trials for: Corneal astigmatism

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