Astigmatism: all 420 studies

Page 2 of 5. Open to participants first (54), then studies with results posted, then the rest; newest registration first within each.

• Vision Stability and Preference for Soft Toric vs. Soft Spherical Contact LensesCompletedNCT04536571Not applicableResults posted
• Clinical Investigation of the Visual Outcomes and Safety of a Trifocal Toric IOL in an Asian PopulationCompletedNCT04528069Not applicableResults posted
• STAAR Visian Toric ICL Post-Approval StudyCompletedNCT04516772Not applicableResults posted
• Comparing Biofinity Toric Multifocal to Ultra Multifocal for AstigmatismCompletedNCT04404725Not applicableResults posted
• Evaluation of the Rotational Stability of the Tecnis Toric II IOLCompletedNCT04327518Not applicableResults posted
• Multicenter Clinical Trial of a Phakic Implantable Collamer® Lens (ICL)CompletedNCT04283149Not applicableResults posted
• Post-market Study to Obtain Surgeon Feedback on Clinical Outcome in Eyes Implanted With TECNIS Toric II IOLCompletedNCT04210232Not applicableResults posted
• Clinical Investigation of the Vision-R800 Device.CompletedNCT04208750Phase 4Results posted
• A Study With Technolas® TENEO 317 Model 2 Excimer Laser to Treat Participants With Myopia or Myopic AstigmatismCompletedNCT04111757Not applicableResults posted
• Refitting Somofilcon A Toric Contact Lens Wearers Into Fanfilcon A Toric Lenses for 4-weeks of WearCompletedNCT04050605Not applicableResults posted
• Clinical Evaluation of Invigor Toric 1-Day Contact LensesCompletedNCT04016623Not applicableResults posted
• A Clinical Study to Evaluate The Safety and Effectiveness of Performing 0.50 Diopter Astigmatism Correction on the Commercially Available RxSight Light Adjustable Lens (LAL)CompletedNCT04005586Not applicableResults posted
• Clinical Investigation of the Safety and Effectiveness of an Investigational Model of the TECNIS® Intraocular LensCompletedNCT03949335Not applicableResults posted
• Study of a Hand-held Device Plus Mobile App Versus Standard Eye Care Devices in Measuring Refractive Error of the EyeCompletedNCT03929588Not applicableResults posted
• Post-Approval Study of the TECNIS SYMFONY® Toric LensesCompletedNCT03791619Not applicableResults posted
• Comparison of Two Daily Disposable Soft Contact LensesCompletedNCT03779503Not applicableResults posted
• Clinical Study to Evaluate the RxSight Light Adjustable Lens With the Light Delivery Device in Subjects With Preoperative Corneal AstigmatismCompletedNCT03771352Not applicableResults posted
• Post Approval Study of the AcrySof® IQ ReSTOR® Toric IOLsCompletedNCT03733730Not applicableResults posted
• 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 AstigmatismCompletedNCT03729024Not applicableResults posted
• Evaluation of Silicone Hydrogel Daily Wear Contact Lenses for Up to One (1) Month of Daily WearCompletedNCT03722784Not applicableResults posted
• A Bilateral Dispensing Comparison of Comfilcon A Over Senofilcon C Contact LensesCompletedNCT03684928Not applicableResults posted
• Evaluate the Safety and Effectiveness of the Biotrue ONEday for AstigmatismCompletedNCT03681808Not applicableResults posted
• Performance of Two Toric Silicone Hydrogel Contact LensesCompletedNCT03578926Not applicableResults posted
• Toric Contact Lens Performance StudyCompletedNCT03546647Not applicableResults posted
• Comparison of Comfilcon A Toric Contact Lenses and Samfilcon A Toric Contact LensesCompletedNCT03519932Not applicableResults posted
• Clinical Evaluation of Investigational Multifocal Toric Contact LensesCompletedNCT03519282Not applicableResults posted
• Performance of Toric Silicone Hydrogel Contact Lenses Following One Month of Daily WearCompletedNCT03418064Not applicableResults posted
• Comparison of Two Silicone Hydrogel Toric Contact LensesCompletedNCT03392532Not applicableResults posted
• AcrySof IQ Toric A-Code Post-Market Clinical StudyCompletedNCT03350503Not applicableResults posted
• Bilateral Dispensing Study of MyDay Toric, 1-day Acuvue Moist for Astigmatism, and Dailies Aquacomfort Plus Toric LensesCompletedNCT03134248Not applicableResults posted
• Symfony Toric Intraocular Lens Visual OutcomesCompletedNCT03082599Not applicableResults posted
• A Comparison of LASIK Outcomes Using Two Femtosecond LasersCompletedNCT03063164Not applicableResults posted
• ClarVista HARMONI Toric Trial With Intraoperative ExchangeCompletedNCT03054649Not applicableResults posted
• Evaluation of the Safety and Performance of the HARMONI® Toric LensCompletedNCT03050697Not applicableResults posted
• A Clinical Comparison of 2 Multifocal Toric XR (Extended Range) Contact LensesCompletedNCT03006458Not applicableResults posted
• Comparison of Topography Guided LASIK With WaveLight® EX500 to SMILE With Zeiss VisuMaxTerminatedNCT02987660Not applicableResults posted
• Evaluating and Improving Functional Driving Vision of Patients With Astigmatism: Phase 3CompletedNCT02950545Not applicableResults posted
• Performance of Fanfilcon A Toric Lenses After at Least One Month Wearing Enfilcon A Toric LensesCompletedNCT02921412Not applicableResults posted
• Clinical Performance of Toric Hydrogel Contact Lenses Following One Week of Daily WearCompletedNCT02847169Not applicableResults posted
• The Clinical Study of Silicone Hydrogel Daily Disposable Stenfilcon A Toric LensCompletedNCT02801006Not applicableResults posted
• Pseudophakic Astigmatic Reduction With Verion-LenSx Arcuate IncisionsCompletedNCT02763124Not applicableResults posted
• Prospective S&E Study of Wavefront-guided PRK for Myopia With iDesign Advanced Wavescan Studio™ System and Star S4 IR™CompletedNCT02675751Not applicableResults posted
• Post-Approval Study of the TECNIS® Toric Extended Cylinder Range Intraocular Lens (IOL)CompletedNCT02649842Not applicableResults posted
• Dispensing Evaluation of Investigational Contact LensesCompletedNCT02625220Not applicableResults posted
• Evaluating and Improving Functional Driving Vision of Patients With AstigmatismCompletedNCT02624791Not applicableResults posted
• A Bilateral Dispensing Clinical Trial of an Sapphire Lens Against Senofilcon A Toric for Astigmatism LensCompletedNCT02555098Not applicableResults posted
• Conventional Surgery vs. Verion/VerifEyeCompletedNCT02513745Not applicableResults posted
• Bilateral Dispensing Study of Fanfilcon A Toric Versus Enfilcon A Toric LensesCompletedNCT02423109Not applicableResults posted
• Bilateral Dispensing Clinical Trial of Stenfilcon A Against Etafilcon A for AstigmatismCompletedNCT02410824Not applicableResults posted
• Clinical Comfort Evaluation of Two Marketed Spherical Contact LensesCompletedNCT02356692Not applicableResults posted
• Clinical Performance of Habitual Wearers of Avaira Toric When Refitted With Clariti Toric LensesCompletedNCT02248766Not applicableResults posted
• Patient Perception of Visual DistortionsCompletedNCT02203747Results posted
• Multicenter Dispensing Study of Biofinity Toric Made-To-Order Lenses in Extended Power RangesCompletedNCT02193178Not applicableResults posted
• Clinical Validation of Biofinity Toric MTO (Made To Order) LensesCompletedNCT02185105Not applicableResults posted
• Retrospective / Prospective Clinical Study of AcrySof® IQ ReSTOR® +2.5 D Multifocal Toric Intraocular LensesCompletedNCT02176343Not applicableResults posted
• Clinical Performance of Habitual Hydrogel vs. Silicone Hydrogel Toric Contact LensesCompletedNCT02142361Not applicableResults posted
• Comparative Evaluation of Contact Lens Centering of DAILIES® AquaComfort Plus® Versus 1-DAY ACUVUE® MOIST® in JapanCompletedNCT02103309Not applicableResults posted
• On-Eye Evaluation of Contact Lens Axis LocationCompletedNCT02100410Not applicableResults posted
• Visual Assessment of DAILIES® AquaComfort Plus® for Astigmatism as Compared to 1-DAY ACUVUE® MOIST® for AstigmatismCompletedNCT02071771Not applicableResults posted
• New Treatment Algorithm to Reduce Spherical Aberration After LASIK Correction for MyopiaCompletedNCT01988415Not applicableResults posted
• Clinical Performance of Biofinity Toric Versus Air Optix for AstigmatismCompletedNCT01965288Not applicableResults posted
• WaveLight® Refractive Myopic StudyCompletedNCT01941498Not applicableResults posted
• Safety and Efficacy Evaluation of a New Contact Lens Disinfecting Solution in Gas Permeable Contact Lens WearersCompletedNCT01912781Not applicableResults posted
• Safety and Efficacy Evaluation of a New Contact Lens Disinfecting Solution in Soft Contact Lens WearersCompletedNCT01912768Not applicableResults posted
• Safety and Efficacy of Corneal Collagen Cross-linking Following LASIK for Treatment of Hyperopia and Hyperopic AstigmatismTerminatedNCT01893359Phase 1/2Results posted
• Visual Performance Investigation of Two Toric Soft Contact LensesCompletedNCT01858701Not applicableResults posted
• Toric Eye Strain and Stability StudyCompletedNCT01857102Not applicableResults posted
• Hydrophobic Acrylic Toric IOL Designed to Reduce the Effects of Preoperative Corneal AstigmatismCompletedNCT01852084Not applicableResults posted
• Silicone Hydrogel Contact Lens Clinical and Comfort Benefits With a Multi-Purpose Disinfecting SolutionCompletedNCT01809197Not applicableResults posted
• Comparative In-Vivo Wetting Characteristics of Silicone Hydrogel Materials With Selected Lens Care SystemsCompletedNCT01699750Not applicableResults posted
• A Safety and Effectiveness Study of PRK Using the ALLEGRETTO WAVE® EYE-Q Excimer Laser SystemCompletedNCT01699087Not applicableResults posted
• Safety and Effectiveness of Wavefront-guided LASIK for the Correction of Mixed AstigmatismCompletedNCT01675492Not applicableResults posted
• Clinical Evaluation of Two Monthly Replacement Silicone Hydrogel Contact LensesCompletedNCT01629693Not applicableResults posted
• Effect of Head and Gaze Position on Soft Toric Contact Lens PerformanceCompletedNCT01579045Not applicableResults posted
• Comparative Clinical Evaluation of Soft Toric Lens DesignsCompletedNCT01552876Not applicableResults posted
• Calhoun Vision Light Adjustable Lens (LAL) in Subjects With Pre-Existing Corneal AstigmatismCompletedNCT01496066Not applicableResults posted
• Prospective Study of an Investigational Toric Soft Contact LensCompletedNCT01461811Not applicableResults posted
• Clinical Comparison of Two Daily Disposable Toric LensesCompletedNCT01362894Not applicableResults posted
• Safety and Effectiveness of Arcuate Incisions Performed With the iFS Femtosecond Laser SystemCompletedNCT01348854Phase 2Results posted
• Prospective Study of Lens Performance of a Monthly Replacement Lens at Two Weeks and Four WeeksCompletedNCT01293240Not applicableResults posted
• Subjective Comfort With Multipurpose Care Solutions in Soft Contact Lens WearersCompletedNCT01211535Not applicableResults posted
• Feasibility of iFS™ for Intrastromal Arcuate Keratotomy (ISAK) ProceduresCompletedNCT01210820Not applicableResults posted
• Evaluation of Two Daily Disposable Contact Lenses for Wearers With AstigmatismCompletedNCT01207466Not applicableResults posted
• Clinical Evaluation of Two Toric Contact Lenses in Current Non-toric Lens UsersCompletedNCT01180998Not applicableResults posted
• Toric Intraocular Lens Following Cataract SurgeryCompletedNCT01140477Not applicableResults posted
• Non-dispensing Study to Check Prescription Equivalence of Two Daily Disposable Toric Contact Lens TypesCompletedNCT01120782Not applicableResults posted
• Daily Disposable Toric Comparative Trial in EuropeCompletedNCT01070381Not applicableResults posted
• Dispensing Evaluation of New Daily Disposable Toric Soft Contact Lens.CompletedNCT01055132Not applicableResults posted
• Comparative Evaluation of Corneal Staining With Balafilcon A Lenses and Two Multi-Purpose SolutionsCompletedNCT01024855Phase 1/2Results posted
• Clinical Comparison of Two Silicone Hydrogel Toric Lenses in the USCompletedNCT01007812Not applicableResults posted
• Assessment of Visual Performance in Patients With Low Levels of AstigmatismCompletedNCT00842231Results posted
• Contralateral Comparison of Three Excimer Laser Systems in Performing LASIKCompletedNCT00821236Phase 4Results posted
• Technolas 217z Laser With Zyoptix Aspheric Algorithm Used for the LASIK Treatment of Myopia and Myopic Astigmatism.CompletedNCT00769808Not applicableResults posted
• Comparison of Senofilcon A Toric Lenses to Balafilcon A Toric Lenses Over Extended Wear PeriodCompletedNCT00762502Not applicableResults posted
• Clinical Performance of Atypical Contact Lens Powers on Subjects With AstigmatismCompletedNCT00697190Not applicableResults posted
• Comparison of Cross-cylinder and Conventional Photorefractive Keratectomy(PRK) in Correcting Medium-high AstigmatismCompletedNCT00663923Phase 3Results posted
• Product Performance of a Toric Contact LensCompletedNCT00658996Not applicableResults posted
• Effect of Eye Movement on Toric Lens Orientation and Visual AcuityCompletedNCT00584831Not applicableResults posted
• In-office Evaluation of Two Toric Soft Contact Lenses and a Spherical Soft Contact LensCompletedNCT00584727Not applicableResults posted
• Evaluation of Two Toric Soft Contact Lenses After Two Weeks of WearCompletedNCT00584220Not applicableResults posted

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