Search clinical trials for: astigmatism

Total 393 results

Alcon Research

Not yet recruiting

Post-market Clinical Follow-up Study of Alcon TOTAL30® Contact Lenses (Lehfilcon A)

Astigmatism | Myopia | Hyperopia | Ametropia

United States
Loay Abdulmutalib Almusawi

Recruiting

Safety and Suitability of ICL for Correction of Refractive Errors Without the Use of Dispersive OVDs

Refractive Errors | Myopia | Hypermetropia | Myopic Astigmatism

Iraq
Kazakh Eye Research Institute

Recruiting

Toric Intraocular Lens Implantation in Pediatric Cataract (TILIPC)

Astigmatism | IOL | Cataract Congenital

Kazakhstan
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
SIFI SpA

Not yet recruiting

Observational Prospective Clinical Investigation on Monofocal Toric Intraocular Lens

Cataract | Astigmatism

Italy
Mopsy Research

Recruiting

Comparative Functional Vision Outcomes: DAILIES TOTAL1 Toric vs. Spherical Lenses in Asian Astigmatic Patients

Comparative Effectiveness Research

Hong Kong
Tianjin Eye Hospital
Beihang University

Recruiting

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

Myopia | Myopic Astigmatism

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

Recruiting

Femtosecond Laser Arcuate Keratotomy Versus Toric Intraocular Lens Implantation in Cataract Surgery

Cataract | 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
Alcon Research

Recruiting

Evaluation of Long-term Safety and Performance of PanOptix Intraocular Lens (IOLs)

Presbyopia | Astigmatism | Aphakia

Spain
Peking University Third Hospital

Not yet recruiting

Total Corneal Astigmatism Prevalence in Cataract Patients

Cataract

China
Al Watany Eye Hospital

Recruiting

Evaluation of Different Lenticule Diameters in Myopic Astigmatism Correction With SMILE Procedures

Refractive Errors | Myopic Astigmatism

Egypt
Beijing Airdoc Technology Co., Ltd.
University of Notre Dame Australia

Recruiting

Software Refraction With Mobilerone Versus Retinoscopy (SRMR)

Astigmatism | Myopia | Myopia, Moderate

China
Southern College of Optometry
Alcon Research

Recruiting

Total30 for Astigmatism Contact Lenses

Refractive Errors | Astigmatism | Contact Lens Complication

United States
EyeQue Corp.
The Emmes Company, LLC

Not yet recruiting

EyeQue VisionCheck 510(k) Clinical Trial

Refractive Errors | Astigmatism
Acuity Polymers, Inc.

Not yet recruiting

Acuity 200™ (Fluoroxyfocon A) Orthokeratology Contact Lens for Overnight Wear (Acuity200OK)

Myopia

United States, Australia, New Zealand
Bausch & Lomb Incorporated

Recruiting

Study of Safety and Effectiveness of the Boston Orthokeratology Shaping Lens in the Arise Orthokeratology Lens

Astigmatism

United States
59th Medical Wing

Not yet recruiting

SMILE vs. LASIK Using Contoura With Phorcides

Astigmatism | Myopia

United States
Hebatallah MT Abdelmoniem

Not yet recruiting

Contoura vs Wavefront Optimized Ablation

Astigmatism
Alcon Research

Recruiting

Post Market Clinical Follow-up (PMCF) Study of Clareon Vivity & Clareon PanOptix

Presbyopia | Astigmatism | Aphakia

United States, Puerto Rico
Kasr El Aini Hospital

Recruiting

Correlation Between Preoperative Refraction and Anterior Segment Parameters With ICL Vault

Refractive Errors | Myopia | Myopic Astigmatism

Egypt
University of Plymouth
Carl Zeiss Meditec AG; University Hospital Plymouth NHS Trust; Glasgow Caledonian... and other collaborators

Recruiting

Vision and Balance Changes After Bilateral Implantation of Toric IOLs

Cataract Bilateral | Astigmatism Bilateral

United Kingdom
Hoopes Vision
Alcon Research

Recruiting

Contralateral Study of Topography Guided LASIK Versus Small Incision Lenticule Extraction

Astigmatism | Myopia

United States
Medicontur Medical Engineering Ltd
Medevise Consulting

Recruiting

Prospective Multicenter Clinical Study on the Visual and Refractive Outcomes and Safety Outcomes Following Implantation of an AddOn Intraocular Lens in Previously Pseudophakic Eyes

Refractive Errors | Presbyopia | Residual Astigmatism

Belgium, France, Spain, United Kingdom
Sohag University

Not yet recruiting

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

Corneal Astigmatism
AcuFocus, Inc.

Recruiting

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

Cataract | Presbyopia | Irregular Astigmatism

Philippines, Singapore
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
Guy's and St Thomas' NHS Foundation Trust
King's College London; City, University of London

Not yet recruiting

Comparison of Aspheric Toric Intraocular Lenses for Micro-monovision

Cataract | Presbyopia | Astigmatism

United Kingdom
Daniel Terveen
Alcon Research

Recruiting

Contoura With Phorcides Compared to Wavefront Optimized LASIK

Astigmatism | Myopia

United States
Ziemer Ophthalmic Systems AG

Not yet recruiting

CLEAR Procedure in Myopia and Astigmatism - Registry Study

Astigmatism | Myopia
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
Bausch & Lomb Incorporated

Recruiting

Safety and Effectiveness of the TENEO 317 Model 2 (1.28 US) Excimer Laser for Laser In Situ Keratomileusis (LASIK) Surgery to Treat Hyperopia With or Without Astigmatism

Hyperopia

United States
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
Vienna Institute for Research in Ocular Surgery

Recruiting

Digital Marking Systems

Cataract

Austria
Vienna Institute for Research in Ocular Surgery

Recruiting

Rotational Stability of the TECNIS Eyhance Toric

Cataract

Austria
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
Assiut University

Not yet recruiting

Laser Correction of Astigmatism Using Vector Analysis

Astigmatism
Ziemer Ophthalmic Systems AG

Recruiting

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

Astigmatism | Myopia

Switzerland
Prim. Prof. Dr. Oliver Findl, MBA

Recruiting

Rotation Stability of Toric Intraocularlens (IOL) Compared Sitting Against Lying After Cataract Operation

Astigmatism

Austria
University of Arizona
National Eye Institute (NEI)

Recruiting

Spectacle Prescribing in Early Childhood (SPEC)

Eyeglasses | Astigmatism Bilateral

United States
Medical University of Vienna

Recruiting

Femtosecond Laser-assisted Astigmatism Treatment (FLAAT)

Astigmatism | Age Related Cataracts

Austria
Beeran Meghpara, MD

Recruiting

Anesthetic Impregnated Bandage Soft Contact Lens (BSCL) in Pain Management After Photorefractive Keratectomy (PRK)

Refractive Errors | Astigmatism | Myopia | Hypermetropia

United States
Technische Universität Dresden

Recruiting

Dresden Corneal Disease and Treatment Study

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

Germany
Johnson & Johnson Surgical Vision, Inc.

Recruiting

Clinical Investigation of the CHEETAH SYSTEM FOR THE CORRECTION OF MYOPIA WITH AND WITHOUT ASTIGMATISM

Astigmatism | Myopia

Croatia, India, Italy, Singapore
University of Southern Denmark
Protac A/S

Recruiting

Effects of Systematic Proprioceptive-tactile Stimulation With Use of the Protac MyFit®

Children | Sensory Processing Disorder

Denmark

Search clinical trials for: astigmatism

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