Astigmatism

277 registered clinical trials studyying Astigmatism — 23 currently recruiting.

Status	Trial	Sponsor	Phase
Not Yet Recruiting	Clareon TruPlus Study NCT07502456	Alcon Research	N/A
Not Yet Recruiting	Revive Toric RWE Study NCT06785194	Bausch & Lomb Incorporated	—
Recruiting	Wear Experience With Daily Disposable Contact Lenses for Astigmatism Over a Long-Wear Day NCT07303920	Ohio State University	N/A
Recruiting	Comfort and Vision With TOTAL30 Multifocal Lenses NCT07284966	Scripps Poway Eyecare and Optometry	—
Recruiting	Improving Visual Quality in Patients With Irregular Corneas Using Asymmetrical Toric Intraocular Lenses NCT07294716	Johannes Kepler University of Linz	N/A
Recruiting	Wavefront-guided LASIK Surgery Compared to Ray Tracing-Guided LASIK Surgery NCT07078799	Stanford University	N/A
Not Yet Recruiting	Assessing the Turkish DDIVAT for Visual Acuity Measurement NCT07240480	Trakya University	—
Recruiting	Patient Reported Outcomes With WaveLight Plus LASIK NCT07084844	Mann Eye Institute	—
Recruiting	Arcuate Incisions With Light Adjustable Lens for Astigmatism Correction in Lens Surgery NCT07140653	Center For Sight	Phase 4
Recruiting	A Three-Phase Contralateral Comparison of Ray-Tracing Guided LASIK Versus Three Other Refractive Surgery Platf NCT07201298	Hoopes Vision	N/A
Recruiting	Clinical Evaluation of WaveLight Plus LASIK NCT07127757	Laser Defined Vision	—
Recruiting	Algorithm-assisted Subjective Refraction Program Dedicated to Children NCT07046065	Essilor International	N/A
Not Yet Recruiting	Effectiveness and Safety of Limbal Relaxing Incisions for Correcting Post Phacoemulsification High Astigmatism NCT06896357	Assiut University	Phase 1
Completed	Evaluation of Daily Disposable Toric Soft Lenses Manufactured With an Alternative Hydration Process NCT06967129	Johnson & Johnson Vision Care, Inc.	N/A
Completed	Visual Performance With Clareon® Vivity® Intraocular Lenses (IOLs) NCT06784063	Alcon Research	N/A
Enrolling By Invitation	Observational Study - TA- 2025-1 NCT07007897	Haag-Streit AG	—
Completed	Short-term Study of Two Soft Contact Lenses in Wearers With Low Astigmatism NCT06873048	CooperVision International Limited (CVIL)	N/A
Recruiting	North American Comfilcon A Clinical Study NCT06902584	CooperVision International Limited (CVIL)	—
Completed	Evaluation of Delefilcon A and Senofilcon A Daily Disposable Toric Soft Contact Lenses Over One Week of Wear NCT06749496	Johnson & Johnson Vision Care, Inc.	N/A
Terminated	DAILIES TOTAL1® Soft Contact Lenses - Post-Market Clinical Follow-up Study NCT06483113	Alcon Research	—
Terminated	Post-market Clinical Follow-up Study of Alcon TOTAL30® Contact Lenses (Lehfilcon A) NCT06408649	Alcon Research	—
Completed	A Clinical Comparison of Two Soft Toric Contact Lenses NCT06758089	CooperVision International Limited (CVIL)	N/A
Active Not Recruiting	Optical Quality of the Cornea in Orthokeratology NCT06775509	Institut Investigacio Sanitaria Pere Virgili	N/A
Recruiting	Application of Phototherapeutic Keratectomy Mode to Mark the Axis of Astigmatism NCT06694051	Tianjin Eye Hospital	N/A
Recruiting	KLEx Versus FS-LASIK for the Treatment of Myopia and Compound Myopic Astigmatism NCT06477081	Instituto de Oftalmología Fundación Conde de Valenciana	N/A
Completed	Clinical Performance Evaluation of Two Frequent Replacement Silicone Hydrogel Multifocal Toric Contact Lenses NCT06461455	Alcon Research	N/A
Active Not Recruiting	LASIK iDesign vs SMILE NCT07126756	59th Medical Wing	N/A
Completed	Clinical Evaluation of Proclear Toric and Biofinity Toric NCT06431061	CooperVision, Inc.	N/A
Completed	Refractive Accuracy of Toric Intraocular Lens Implantation Using Digital Marking Compared to Conventional Mark NCT07176897	Colvard Kandavel Eye Center	—
Completed	Clinical Evaluation of Two Toric Soft Contact Lenses NCT06490302	CooperVision, Inc.	N/A
Completed	Evaluation of Long-term Safety and Performance of PanOptix Trifocal Intraocular Lens (IOL) NCT06166901	Alcon Research	N/A
Completed	Observational Prospective Clinical Investigation on Monofocal Toric Intraocular Lens NCT06250855	SIFI SpA	—
Completed	A Clinical Comparison of Two Multifocal Toric Soft Contact Lenses NCT06438601	CooperVision, Inc.	N/A
Completed	T30 for Astigmatism in Digital Device Users NCT06266728	Southern College of Optometry	N/A
Completed	Toric Intraocular Lens Implantation in Pediatric Cataract NCT06294795	Kazakh Eye Research Institute	N/A
Completed	Comparison of Clinical Performance of Two Monthly Replacement Toric Soft Contact Lenses NCT06165627	Alcon Research	N/A
Active Not Recruiting	Evaluation of Toric Intraocular Lens(IOL) Combined With Capsular Tension Ring(CTR) in Patients With Cataract C NCT06571773	Shanghai 10th People's Hospital	—
Completed	Total30 for Astigmatism Contact Lenses NCT06052046	Southern College of Optometry	N/A
Unknown	EyeQue VisionCheck 510(k) Clinical Trial NCT06044688	EyeQue Corp.	N/A
Unknown	Femtosecond Laser Arcuate Keratotomy Versus Toric Intraocular Lens Implantation in Cataract Surgery NCT06215807	Second Affiliated Hospital, School of Medicine, Zhejiang University	N/A
Completed	Limbal Astigmatic Keratotomy to Correct High Degrees of Astigmatism After Phacoemulsification NCT06179355	Assiut University	N/A
Active Not Recruiting	Post Market Clinical Follow-up (PMCF) Study of Clareon Vivity & Clareon PanOptix NCT05796453	Alcon Research	N/A
Active Not Recruiting	LASIK Using Contoura With Phorcides vs. iDesign NCT07128316	59th Medical Wing	N/A
Completed	Kalifilcon A Toric Compared to Commercially Available Lenses NCT06098937	Bausch & Lomb Incorporated	N/A
Completed	Performance Evaluation of Two Silicone Hydrogel Toric Lens Designs in Habitual Soft Contact Lens Wearers NCT05933772	CooperVision International Limited (CVIL)	N/A
Completed	Clareon IOL Retrospective Data Collection NCT05796674	Alcon Research	—
Completed	Clinical Performance Evaluation of Two Frequent Replacement Silicone Hydrogel Toric Contact Lenses NCT05959200	Alcon Research	N/A
Completed	Orientation Characteristics of Daily Disposable Toric Contact Lenses NCT06069609	Bausch & Lomb Incorporated	N/A
Completed	Success of Dailies Total1 for Astigmatism Contact Lenses in Patients That Have Previously Failed With Toric Co NCT05886452	Mann Eye Institute	—
Completed	Subjective Wearing Experience of the Total30 for Astigmatism Lens Among Satisfied Biofinity Toric Lens Wearers NCT05938010	Scripps Poway Eyecare and Optometry	—
Recruiting	Software Refraction With Mobilerone Versus Retinoscopy NCT06059521	Beijing Airdoc Technology Co., Ltd.	N/A
Terminated	Comparison of Contoura Vision Outcomes Programmed Using the Manifest Refraction Verses Using Phorcides Plannin NCT05888337	Bismarck Lasik	—
Completed	Assessing the Clinical Performance of Two Frequent Replacement Silicone Hydrogel Multifocal Toric Contact Lens NCT05886907	Alcon Research	N/A
Unknown	Contoura vs Wavefront Optimized Ablation NCT05829980	Hebatallah MT Abdelmoniem	—
Completed	SMILE vs. LASIK Using Contoura With Phorcides NCT05844397	59th Medical Wing	N/A
Withdrawn	Clinical Comparison of Toric Contact Lenses Fit Characteristics NCT05805345	Alcon Research	N/A
Unknown	Accuracy of Topography Guided Automatic Marking of the Intraocular Lens (IOL) -Axis NCT05750862	Frank Bochmann	N/A
Completed	Clinical Evaluation of Hydrogel and Silicone Hydrogel Daily Disposable Toric Contact Lenses NCT05805085	CooperVision, Inc.	N/A
Completed	Clinical Evaluation of Two Toric Contact Lenses NCT05688657	CooperVision, Inc.	N/A
Unknown	CLEAR Procedure in Myopia and Astigmatism - Registry Study NCT05484531	Ziemer Ophthalmic Systems AG	—
Active Not Recruiting	Contralateral Study of Topography Guided LASIK Versus Small Incision Lenticule Extraction NCT05611294	Hoopes Vision	N/A
Completed	A Clinical Performance of Two Soft Toric Contact Lenses NCT05633082	CooperVision, Inc.	N/A
Completed	Clinical Comparison of Two Daily Disposable Toric Soft Contact Lenses NCT05483127	Alcon Research	N/A
Unknown	Astigmatism Management With Iris-registration Guided Corneal Relaxing Incisions or Toric IOLs During Cataract NCT05561296	Kenneth J Rosenthal	N/A
Unknown	Comparison of Aspheric Toric Intraocular Lenses for Micro-monovision NCT05506553	Guy's and St Thomas' NHS Foundation Trust	N/A
Completed	A Clinical Evaluation of a Phakic Intraocular Lens NCT07291739	Staar Surgical Company	N/A
Recruiting	Contoura With Phorcides Compared to Wavefront Optimized LASIK NCT05486546	Daniel Terveen	N/A
Completed	Performance of Dailies Total1® Contact Lenses for Astigmatism in Symptomatic Habitual Reusable Toric Lens Wear NCT05498649	Keith Wan	—
Completed	LFR-260 vs Traditional Phoropter in Visual Acuity Testing NCT05259163	Evolution Optiks Limited	N/A
Completed	Post-approval Study of New Enrolment Patients Undergoing Bilateral Treatment With the VisuMax SMILE Procedure NCT05740293	Carl Zeiss Meditec, Inc.	—
Completed	Evaluation of the Accuracy & Safety of the LaserArcs Nomogram NCT05278442	Research Insight LLC	—
Completed	The Comparative Clinical Performance of Two Daily Disposable Toric Contact Lenses NCT05020990	CooperVision, Inc.	N/A
Completed	Clinical Assessment of a Daily Wear Monthly Replacement Silicone Hydrogel Toric Contact Lens NCT05211739	Alcon Research	N/A
Completed	1-Week Dispensing Evaluation of Kalifilcon A Toric Contact Lenses Compared to Ultra for Astigmatism NCT05320042	Bausch & Lomb Incorporated	N/A
Terminated	Photorefractive Keratectomy (PRK) : Comparison of Corneal Haze Between Two Modes of De-epithelialisation (Lase NCT05072977	Fondation Ophtalmologique Adolphe de Rothschild	N/A
Terminated	Use of a Disk of Amniotic Membrane (Visio-AMTRIX) in Postoperative Care After PKR NCT05247658	TBF Genie Tissulaire	Phase 3
Completed	Clinical Investigation of a Monofocal Toric Intra Ocular Lens (IOL) in Cataractous Eyes NCT05255029	Beaver-Visitec International, Inc.	N/A
Terminated	Assessment of Visual and Refractive Results and Rotational Stability of the TECNIS® Eyhance Toric II 1-piece P NCT05144308	Fondation Ophtalmologique Adolphe de Rothschild	N/A
Withdrawn	Comparison of Phacoemulsification and Corneal Damage Between FLACS and Standard Phaco With Two Handpieces NCT05119270	Centre hospitalier de l'Université de Montréal (CHUM)	N/A
Completed	Insertion Clinical Study to Evaluate the Orientation Characteristics of Multiple Kalifilcon A Daily Disposable NCT05129124	Bausch & Lomb Incorporated	N/A
Recruiting	A Planned Study at Multiple Sites is Being Done to Compare the Results of Two Types of Trifocal Toric Intraocu NCT07232615	Biotech Healthcare Holding Gmbh	N/A
Completed	Clinical Results of a Monofocal Aspheric Bitoric Intraocular Lens With Plate Haptics in Hyperopic Eyes (HIPER- NCT05058274	OFTALVIST (Oftalmología Vistahermosa S.L)	—
Completed	PMCF Study on Monofocal Toric IOL (PODEYE TORIC) in Europe (PHY2104) NCT04987216	Beaver-Visitec International, Inc.	N/A
Completed	Astigmatism Correction With Intrastromal Arcuate Incisions in Eyes Undergoing Cataract Surgery With Femtosecon NCT05053620	OFTALVIST (Oftalmología Vistahermosa S.L)	—
Completed	Quantification of the Visual Benefits of Soft Toric Contact Lenses Compared to Soft Spherical Contact Lenses NCT04613882	CooperVision, Inc.	N/A
Completed	Clinical Comparison of 2 Daily Disposable Toric Soft Contact Lenses NCT05039112	Alcon Research	N/A
Completed	PMCF Study on Monofocal Toric IOL (PODEYE TORIC) in Asia NCT04778501	Beaver-Visitec International, Inc.	N/A
Completed	Performance of Toric Silicone Hydrogel Contact Lenses NCT05097144	CooperVision, Inc.	N/A
Completed	PMCF Retrospective Study Outcomes of a Monofocal Toric Intraocular Lens NCT05055076	Beaver-Visitec International, Inc.	—
Completed	PMCF Study on SMILE Treatment of Myopia With and Without Astigmatism NCT04884672	Carl Zeiss Meditec AG	—
Completed	Clinical Performance of Two Daily Disposable Toric Soft Contact Lenses NCT04908488	Alcon Research	N/A
Unknown	Laser Correction of Astigmatism Using Vector Analysis NCT04913883	Assiut University	—
Completed	PMCF Study on Monofocal Toric IOL (PODEYE TORIC) in Spain NCT04866719	Beaver-Visitec International, Inc.	N/A
Completed	Patient Satisfaction With Contoura Vision Topography-Guided LASIK NCT04903301	Rush Eye Associates	N/A
Completed	APIOC for Presbyopia and APIOC for Presbyopia With Astigmatism NCT04883099	Lentechs, LLC	N/A
Completed	PMCF Study on Monofocal Toric IOL (PODEYE TORIC) NCT04744467	Beaver-Visitec International, Inc.	N/A
Completed	At-home Testing Refraction Results With Best Corrected Visual Acuity (BCVA) Outcomes in Adults NCT04820218	EyeQue Corp.	N/A
Unknown	LASIK Surgery With a New Laser for the Treatment of Myopia Without Astigmatism NCT04794023	Ziemer Ophthalmic Systems AG	N/A
Completed	Performance Evaluation of Two Daily Disposable Toric Lens Designs in Habitual Soft Contact Lens Wearers NCT04831515	CooperVision, Inc.	N/A
Completed	APIOC Sphere and APIOC Astigmatism NCT04806802	Lentechs, LLC	N/A
Completed	Toric Contact Lens Digital Performance and Comfort Study NCT04772560	Kathryn Richdale	N/A
Unknown	Rotation Stability of Toric Intraocularlens (IOL) Compared Sitting Against Lying After Cataract Operation NCT04776057	Prim. Prof. Dr. Oliver Findl, MBA	N/A
Completed	The Effect of the Changes in Cylinder Power and Axis of Toric Soft Contact Lenses on the Visual Quality, Satis NCT06937489	Indonesia University	N/A
Completed	Vision Stability and Preference for Soft Toric vs. Soft Spherical Contact Lenses NCT04536571	CooperVision, Inc.	N/A
Completed	Comparing Biofinity Toric Multifocal to Ultra Multifocal for Astigmatism NCT04404725	CooperVision, Inc.	N/A
Completed	Evaluation of Visual Acuity of the Envista One-piece Acrylic Toric IOL MX60ET NCT05739656	Bausch & Lomb Incorporated	—
Completed	Clinical Performance of a Daily Disposable Toric Silicone Hydrogel Contact Lens NCT04464044	Alcon Research	N/A
Unknown	Anesthetic Impregnated Bandage Soft Contact Lens (BSCL) in Pain Management After Photorefractive Keratectomy ( NCT04283331	Beeran Meghpara, MD	Phase 4
Completed	Association Between ORA and Residual Refractive Astigmatism After SMILE NCT05604872	Taipei Nobel Eye Clinic	—
Completed	Refractive Accuracy of "2WIN" and Portable Autorefractors NCT04249505	Alaska Blind Child Discovery	—
Completed	Clinical Investigation of the Cheetah System For The Correction of Myopia With and Without Astigmatism NCT04200898	Johnson & Johnson Surgical Vision, Inc.	N/A
Completed	Z8 OCT-controlled 2D vs 3D LASIK NCT04426175	Zentrumsehstarke Hamburg	N/A
Completed	Clinical Investigation of the Vision-R800 Device. NCT04208750	Pete Kollbaum, OD, PhD	Phase 4
Unknown	Toric Intraocular Lenses for Cataract Patients in the NHS NCT04122651	Guy's and St Thomas' NHS Foundation Trust	N/A
Completed	Non-comparative Trial Following Participants Implanted Bilaterally With Mini WELL Toric Ready Intraocular Lens NCT03861351	SIFI SpA	N/A
Unknown	Influence of Residual Astigmatism on Visual Acuity in Patients Undergoing Cataract Surgery With Trifocal Intra NCT04387721	Enrique Ordiñaga-Monreal, OD, MSc	—
Completed	Incisional Correction of Corneal Astigmatism During Phacoemulsification NCT04418986	Al-Rasheed University College	Phase 4
Unknown	Neural Mechanisms Underlying Astigmatism NCT03735602	Zhongshan Ophthalmic Center, Sun Yat-sen University	N/A
Completed	Refitting Somofilcon A Toric Contact Lens Wearers Into Fanfilcon A Toric Lenses for 4-weeks of Wear NCT04050605	CooperVision, Inc.	N/A
Completed	Study of a Hand-held Device Plus Mobile App Versus Standard Eye Care Devices in Measuring Refractive Error of NCT03929588	EyeQue Corp.	N/A
Completed	Clinical Evaluation of Invigor Toric 1-Day Contact Lenses NCT04016623	CooperVision, Inc.	N/A
Unknown	SMILE (Small Incision Lenticule Extraction) in the DoD (Department of Defense) NCT04072289	United States Naval Medical Center, San Diego	N/A
Completed	A Prospective Clinical Study to Evaluate the Repeatability of the Visibly Vision Test NCT06812572	Visibly	N/A
Recruiting	Rotation of Hydrophobic Acrylic Lenses - Rayner RA0800C & Alcon Clareon & Hoya Nanex & Hoya Vivinex XY1-EM & R NCT03803852	Medical University of Vienna	N/A
Completed	Post Approval Study of the AcrySof® IQ ReSTOR® Toric IOLs NCT03733730	Alcon Research	N/A
Completed	Visual Outcomes for Toric Efficacy Study NCT03728218	University of Houston	N/A
Completed	Evaluate the Safety and Effectiveness of the Biotrue ONEday for Astigmatism NCT03681808	Bausch & Lomb Incorporated	N/A
Completed	Evaluation of Silicone Hydrogel Daily Wear Contact Lenses for Up to One (1) Month of Daily Wear NCT03722784	CooperVision, Inc.	N/A
Completed	Apioc Contact Lens Feasibility NCT03688672	Lentechs, LLC	N/A
Completed	Performance of Two Toric Silicone Hydrogel Contact Lenses NCT03578926	CooperVision, Inc.	N/A
Completed	Toric Contact Lens Performance Study NCT03546647	University of Houston	N/A
Completed	Femtosecond Laser Assisted Keratotomies for the Management of Corneal Astigmatism NCT04676451	Milton S. Hershey Medical Center	N/A
Unknown	Assessing the Astigmatism Reducing Effect With Toric IOLs in Eyeswith Low Astigmatism NCT03538964	Prim. Prof. Dr. Oliver Findl, MBA	N/A
Completed	Comparison of Comfilcon A Toric Contact Lenses and Samfilcon A Toric Contact Lenses NCT03519932	CooperVision, Inc.	N/A
Completed	Clinical Evaluation of Investigational Multifocal Toric Contact Lenses NCT03519282	CooperVision, Inc.	N/A
Completed	Clinical Study to Evaluate Effectiveness of Digital Refraction NCT03502863	Visibly	N/A
Completed	Evaluating the Need for the Pseudophakic Intraoperative Abberrometry in Toric IOL Implantation NCT03819842	Alterman, Modi, & Wolter Ophthalmic Physicians & Surgeons	N/A
Completed	Performance of Toric Silicone Hydrogel Contact Lenses Following One Month of Daily Wear NCT03418064	CooperVision, Inc.	N/A
Completed	AcrySof IQ Toric A-Code Post-Market Clinical Study NCT03350503	Alcon Research	N/A
Unknown	The MORE Study: Manifest vs. Online Refraction Evaluation NCT03313921	UMC Utrecht	N/A
Completed	Comparison of Two Silicone Hydrogel Toric Contact Lenses NCT03392532	Alcon Research	N/A
Completed	ICL and LASIK for Hyperopic Astigmatism NCT06742541	McGill University	EARLY_Phase 1
Recruiting	Accuracy of Corneal Astigmatism in Different Region Modes NCT03299530	Wenzhou Medical University	—
Unknown	Femtosecond Laser-assisted Astigmatism Treatment NCT04321226	Medical University of Vienna	Phase 4
Terminated	Comparison of Topography Guided LASIK With WaveLight® EX500 to SMILE With Zeiss VisuMax NCT02987660	Alcon, a Novartis Company	N/A
Completed	A Comparison of LASIK Outcomes Using Two Femtosecond Lasers NCT03063164	Edward E. Manche	N/A
Unknown	Influence of Trabeculectomy and Phaco-trabeculectomy on Corneal Astigmatism NCT02945202	University of Zurich	N/A
Completed	Prevalence of Corneal Astigmatism Before Glaucoma Surgery in Chinese Patients With Primary Angle-closure Glauc NCT03159780	Mingkai Lin	—
Completed	A Clinical Comparison of 2 Multifocal Toric XR (Extended Range) Contact Lenses NCT03006458	CooperVision, Inc.	N/A
Completed	Bilateral Dispensing Study of MyDay Toric, 1-day Acuvue Moist for Astigmatism, and Dailies Aquacomfort Plus To NCT03134248	CooperVision, Inc.	N/A
Completed	Performance of Fanfilcon A Toric Lenses After at Least One Month Wearing Enfilcon A Toric Lenses NCT02921412	CooperVision, Inc.	N/A
Completed	Clinical Performance of Toric Hydrogel Contact Lenses Following One Week of Daily Wear NCT02847169	CooperVision, Inc.	N/A
Completed	Pseudophakic Astigmatic Reduction With Verion-LenSx Arcuate Incisions NCT02763124	Gainesville Eye Associates	N/A
Completed	The Clinical Study of Silicone Hydrogel Daily Disposable Stenfilcon A Toric Lens NCT02801006	CooperVision, Inc.	N/A
Completed	Comparison of Clinical Outcomes of Toric Intraocular Lens NCT03085901	Samsung Medical Center	N/A
Completed	Evaluating and Improving Functional Driving Vision of Patients With Astigmatism: Phase 3 NCT02950545	University of Virginia	N/A
Completed	Post-Approval Study of the TECNIS® Toric Extended Cylinder Range Intraocular Lens (IOL) NCT02649842	Abbott Medical Optics	N/A
Withdrawn	Performance of a Photoscreener for Vision Screening in a Haitian Pediatric Population NCT02655432	Université de Montréal	—
Completed	High Resolution Wavefront-guided vs. Wavefront Optimized LASIK NCT02565537	Stanford University	N/A
Completed	A Bilateral Dispensing Clinical Trial of an Sapphire Lens Against Senofilcon A Toric for Astigmatism Lens NCT02555098	CooperVision, Inc.	N/A
Completed	Early Changes Among FLEx, LASIK and FS-LASIK NCT02551796	Sun Yat-sen University	N/A
Completed	Bilateral Dispensing Study of Fanfilcon A Toric Versus Enfilcon A Toric Lenses NCT02423109	CooperVision, Inc.	N/A
Completed	Changes Between Lenticule Extraction and Femtosecond Laser-assisted Laser in Situ Keratomileusis NCT02550353	Sun Yat-sen University	N/A
Unknown	Clinical Evaluation of Efficacy and Stability of AT TORBI 709M 4-haptic Toric IOL in Cataract Surgery NCT02618018	Seoul National University Hospital	N/A
Recruiting	An Evaluation of LASIK, SMILE and PRK Surgery in Physicians NCT02576483	Stanford University	—
Completed	Rotational Stability of the Acrysof, Tecnis and Envista Intraocular Lenses NCT04345380	Medical University of Vienna	N/A
Completed	Conventional Surgery vs. Verion/VerifEye NCT02513745	Carolina Eyecare Physicians, LLC	N/A
Completed	VERION Versus Conventional, Manual Ink-marking in Toric IOL Implantation NCT02370953	Maastricht University Medical Center	N/A
Completed	Bilateral Dispensing Clinical Trial of Stenfilcon A Against Etafilcon A for Astigmatism NCT02410824	CooperVision, Inc.	N/A
Unknown	Rotational Stability After Nanoflex Collamer Toric Intraocular Lens Implantation in Astigmatic Patients NCT02412215	University of Turin, Italy	N/A
Completed	Correction of Myopia Wtih or Without Astigmatism Using the VisuMax™ Femtosecond Laser NCT02430428	Carl Zeiss Meditec, Inc.	N/A
Completed	Refraction Determination Analysis NCT01995435	Lee, Steven, M.D.	N/A
Completed	A Comparison of the Accuracy of Toric Intraocular Lens Formulas NCT04776603	Wenzhou Medical University	—
Completed	Clinical Evaluation of Toric Intraocular Lens NCT03242486	Nidek Co. LTD.	N/A
Unknown	Development of a Validated Chart for Intermediate Vision Assessment NCT02279446	Democritus University of Thrace	—
Completed	Clinical Performance of Habitual Wearers of Avaira Toric When Refitted With Clariti Toric Lenses NCT02248766	CooperVision, Inc.	N/A
Completed	Rotational Stability Analysis of a Toric Monofocal IOL NCT04933487	Beaver-Visitec International, Inc.	N/A
Completed	Patient Perception of Visual Distortions NCT02203747	Abbott Medical Optics	—
Completed	Multicenter Dispensing Study of Biofinity Toric Made-To-Order Lenses in Extended Power Ranges NCT02193178	CooperVision, Inc.	N/A
Completed	Clinical Validation of Biofinity Toric MTO (Made To Order) Lenses NCT02185105	CooperVision, Inc.	N/A
Completed	Diurnal Changes of the Cornea - a Pilot Study NCT02155556	Prim. Prof. Dr. Oliver Findl, MBA	—
Unknown	Limbal Relaxing Incision Versus Toric Intraocular Lens for Corneal Astigmatism During Cataract Surgery. NCT02067429	Christin Henein	N/A
Completed	Clinical Performance of Habitual Hydrogel vs. Silicone Hydrogel Toric Contact Lenses NCT02142361	CooperVision, Inc.	N/A
Unknown	Prospective Evaluation of the Long-term Effectiveness of the Femtosecond Laser-assisted Arcuate Incisions NCT02164994	Technolas Perfect Vision GmbH	—
Completed	Visual Assessment of DAILIES® AquaComfort Plus® for Astigmatism as Compared to 1-DAY ACUVUE® MOIST® for Astigm NCT02071771	Alcon Research	N/A
Completed	Early Changes Between Lenticule Extraction and Small-Incision Lenticule Extraction NCT02540785	Sun Yat-sen University	N/A
Completed	Comparison Between TICL and ICL+AK for High Myopic Astigmatism NCT03202485	Wenzhou Medical University	N/A
Completed	Quality of Vision and Quality of Life With LASIK NCT02161263	Edward E. Manche	—
Completed	Safety and Efficacy Evaluation of a New Contact Lens Disinfecting Solution in Soft Contact Lens Wearers NCT01912768	Alcon Research	N/A
Completed	New Treatment Algorithm to Reduce Spherical Aberration After LASIK Correction for Myopia NCT01988415	Abbott Medical Optics	N/A
Completed	Safety and Efficacy Evaluation of a New Contact Lens Disinfecting Solution in Gas Permeable Contact Lens Weare NCT01912781	Alcon Research	N/A
Completed	Clinical Performance of Biofinity Toric Versus Air Optix for Astigmatism NCT01965288	CooperVision, Inc.	N/A
Completed	Toric Eye Strain and Stability Study NCT01857102	Johnson & Johnson Vision Care, Inc.	N/A
Completed	Corneal Epithelial and Stromal Thickness Distribution in Keratoconus NCT02023619	SynsLaser Kirurgi AS	—
Completed	Clinical Evaluation of Two Monthly Replacement Silicone Hydrogel Contact Lenses NCT01629693	Alcon Research	N/A
Completed	Visual Performance Investigation of Two Toric Soft Contact Lenses NCT01858701	Alcon Research	N/A
Completed	Silicone Hydrogel Contact Lens Clinical and Comfort Benefits With a Multi-Purpose Disinfecting Solution NCT01809197	Alcon Research	N/A
Completed	On-Eye Evaluation of Contact Lens Axis Location NCT02100410	Alcon Research	N/A
Completed	Hydrophobic Acrylic Toric IOL Designed to Reduce the Effects of Preoperative Corneal Astigmatism NCT01852084	Bausch & Lomb Incorporated	N/A
Completed	Evaluation Study on Corneal Lens for Vision Correction NCT02053688	FORSIGHT Vision3	N/A
Completed	Comparisons of the Astigmatic Power of Toric Intraocular Lens Using Three Toric Calculators: AcrySof, TECNIS, NCT01978106	Yonsei University	—
Completed	A Study to Address Precision and Refractive Predictability of Femtosecond Laser-assisted Astigmatic Keratotomy NCT01752218	Technolas Perfect Vision GmbH	N/A
Completed	Prospective Evaluation of the Effectiveness of the Femtosecond Laser-assisted Refractive Astigmatic Keratotomy NCT01885780	Technolas Perfect Vision GmbH	Phase 4
Unknown	A Trial of Toric Versus Non-toric Intraocular Lenses in Phacoemulsification Cataract Surgery NCT01712503	Western Sussex Hospitals NHS Trust	N/A
Completed	Safety and Effectiveness of Wavefront-guided LASIK for the Correction of Mixed Astigmatism NCT01675492	Abbott Medical Optics	N/A
Completed	Comparative In-Vivo Wetting Characteristics of Silicone Hydrogel Materials With Selected Lens Care Systems NCT01699750	Alcon Research	N/A
Completed	Evaluating and Improving Functional Driving Vision of Patients With Astigmatism NCT02624791	University of Virginia	N/A
Withdrawn	Surgical Correction of Astigmatism NCT01680354	Aarhus University Hospital	N/A
Completed	A Safety and Effectiveness Study of PRK Using the ALLEGRETTO WAVE® EYE-Q Excimer Laser System NCT01699087	Alcon Research	N/A
Completed	Effect of Head and Gaze Position on Soft Toric Contact Lens Performance NCT01579045	Johnson & Johnson Vision Care, Inc.	N/A
Completed	Clinical Comfort Evaluation of Two Marketed Spherical Contact Lenses NCT02356692	CooperVision, Inc.	N/A
Unknown	Randomized, Non-inferiority Trial Comparing SMILE and LASIK NCT01216475	Singapore National Eye Centre	N/A
Unknown	Effect of Posterior Corneal Toricity on Refractive Outcome of Pseudophakia NCT01554761	China Medical University, China	Phase 4
Completed	Post Approval Study of the AcrySof® IQ Toric Intraocular Lens (IOL) Models SN6AT6-SN6AT9 NCT01601665	Alcon Research	—
Completed	Comparative Clinical Evaluation of Soft Toric Lens Designs NCT01552876	Johnson & Johnson Vision Care, Inc.	N/A
Completed	Prospective Study of an Investigational Toric Soft Contact Lens NCT01461811	CIBA VISION	N/A
Completed	Randomized Comparison of the Abbott WHITESTAR Signature System With Ellips Tranversal Ultrasound vs. the Alcon NCT01279031	Innovative Medical	Phase 4
Unknown	Clinical Evaluation of Toric Intraocular Lens Made by Aurolab NCT01396616	Aurolab	Phase 4
Completed	A Prospective Study of Femtosecond Laser Intracorneal Lensectomi NCT01673503	Odense University Hospital	Phase 3
Completed	Clinical Comparison of Two Daily Disposable Toric Lenses NCT01362894	CIBA VISION	N/A
Completed	An Outcomes Study Comparing the Intralase FS 60 to the Intralase iFS When Performing LASIK Surgery for Nearsig NCT01365728	Stanford University	—
Completed	Prospective Study of Lens Performance of a Monthly Replacement Lens at Two Weeks and Four Weeks NCT01293240	CIBA VISION	N/A
Completed	Evaluation of Two Daily Disposable Contact Lenses for Wearers With Astigmatism NCT01207466	CIBA VISION	N/A
Completed	Subjective Comfort With Multipurpose Care Solutions in Soft Contact Lens Wearers NCT01211535	Alcon Research	N/A
Completed	Toric Intraocular Lens Following Cataract Surgery NCT01140477	Bausch & Lomb Incorporated	N/A
Completed	Clinical Evaluation of Two Toric Contact Lenses in Current Non-toric Lens Users NCT01180998	Johnson & Johnson Vision Care, Inc.	N/A
Completed	Wavefront-guided Versus Wavefront-optimized LASIK for Nearsightedness NCT01138189	Edward E. Manche	—
Completed	Efficacy of the Wavefront Optimized (WFO) Profile in Non-anterior Astigmatisms NCT01432834	Democritus University of Thrace	N/A
Completed	Astigmatism Management in Cataract Surgery With the AcrySof Toric Intraocular Lens NCT01075542	Maastricht University Medical Center	N/A
Completed	Non-dispensing Study to Check Prescription Equivalence of Two Daily Disposable Toric Contact Lens Types NCT01120782	Johnson & Johnson Vision Care, Inc.	N/A
Completed	Daily Disposable Toric Comparative Trial in Europe NCT01070381	CIBA VISION	N/A
Completed	Dispensing Evaluation of New Daily Disposable Toric Soft Contact Lens. NCT01055132	Johnson & Johnson Vision Care, Inc.	N/A
Withdrawn	Complete Easy Rub Comparative Efficacy Study NCT01019564	Abbott Medical Optics	N/A
Completed	A Comparison of Corneal Aberrations in Subjects With Contralateral AcrySof IQ Toric Intraocular Lens (IOL) and NCT01045733	Alcon Research	N/A
Completed	Clinical Comparison of Two Silicone Hydrogel Toric Lenses in the US NCT01007812	CIBA VISION	N/A
Unknown	Study to Evaluate the Clinical Performance of SynergEyes A2 Hybrid Contact Lenses NCT01058629	SynergEyes, Inc.	N/A
Completed	Wavefront-guided PRK vs Wavefront-optimized PRK NCT02091934	Stanford University	N/A
Completed	Comparative Evaluation of Corneal Staining With Balafilcon A Lenses and Two Multi-Purpose Solutions NCT01024855	Abbott Medical Optics	Phase 1 / Phase 2
Completed	A Comparison of Fellow Eyes Undergoing LASIK or PRK With a Wavefront-guided Excimer Laser Versus a Wavefront-o NCT01135719	Edward E. Manche	N/A
Completed	LASIK Using the Alcon Allegretto Wavefront-Guided Excimer Laser vs AMO Visx Wavefront-Guided Excimer Laser NCT01454843	Stanford University	Phase 4
Completed	Multifocal-toric IOL Compared to Multifocal IOL Combined With Limbal Relaxing Incisions for Correction of Mode NCT06277349	Moorfields Eye Hospital NHS Foundation Trust	N/A
Completed	Wavefront Analyzes and Visual Performance of Three Multifocal Intra-ocular Lenses NCT00876707	University of Sao Paulo	Phase 1 / Phase 2
Withdrawn	Investigation of Corneal Aberrations and Visual Outcomes in Patients Implanted With an AcrySof Toric Intraocul NCT00878839	Alcon Research	N/A
Completed	Safety and Effectiveness of the Akreos Toric Intraocular Lens. NCT00825513	Bausch & Lomb Incorporated	Phase 4
Completed	Contralateral Comparison of Three Excimer Laser Systems in Performing LASIK NCT00821236	Durrie Vision	Phase 4
Completed	Corneal Astigmatism Measurement Study NCT00818532	Alcon Research	—
Unknown	Multi Laser Platform Comparison Study for LASIK NCT00770094	Durrie Vision	Phase 4
Completed	Refractive Change Induced by 2.8-mm Corneal Incision NCT00742950	Hospital Universitario Ramon y Cajal	N/A
Completed	Technolas 217z Laser With Zyoptix Aspheric Algorithm Used for the LASIK Treatment of Myopia and Myopic Astigma NCT00769808	Bausch & Lomb Incorporated	N/A
Unknown	Intrastromal Correction of Ametropia by a Femtosecond Laser NCT00928122	20/10 Perfect Vision	Phase 3
Unknown	Compare Anterior Chamber Biometry in Healthy and Post-LASIK Patients NCT00838734	Far Eastern Memorial Hospital	—
Completed	Toric Orthokeratology - Slowing Eye Elongation NCT00978692	The Hong Kong Polytechnic University	N/A
Completed	Clinical Performance of Atypical Contact Lens Powers on Subjects With Astigmatism NCT00697190	Johnson & Johnson Vision Care, Inc.	N/A
Completed	Product Performance of a Toric Contact Lens NCT00658996	Bausch & Lomb Incorporated	N/A
Completed	Evaluation of Effectiveness of Correcting Refractive Error With Ready-made Spectacles NCT00657670	Johns Hopkins University	N/A
Terminated	Silicone Hydrogel Contact Lenses on Low Astigmatism in Japan NCT00639353	Johnson & Johnson Vision Care, Inc.	N/A
Completed	Comparison of Cross-cylinder and Conventional Photorefractive Keratectomy(PRK) in Correcting Medium-high Astig NCT00663923	Tabriz University	Phase 3
Completed	Evaluation of the Bausch & Lomb PureVision Under Nighttime Driving Conditions NCT00581659	University of Iowa	—
Completed	Evaluation of Orientation and Visual Acuity of Four Toric Soft Contact Lenses When Head is Tilted at 90 Degree NCT00583908	Johnson & Johnson Vision Care, Inc.	N/A
Unknown	Randomized, Prospective Comparison of the Outcome of Toric Implantable Contact Lens (TICL) and Q-LASIK for the NCT01088568	Wenzhou Medical University	N/A
Completed	Effect of Eye Movement on Toric Lens Orientation and Visual Acuity NCT00584831	Johnson & Johnson Vision Care, Inc.	N/A
Completed	In-office Evaluation of Two Toric Soft Contact Lenses and a Spherical Soft Contact Lens NCT00584727	Johnson & Johnson Vision Care, Inc.	N/A
Completed	Evaluation of Two Toric Soft Contact Lenses After Two Weeks of Wear NCT00584220	Johnson & Johnson Vision Care, Inc.	N/A
Completed	AcrySof Toric Clinical Results NCT01214863	Alcon Research	—
Terminated	Use of Toric Intraocular Lens to Neutralize Keratometric Astigmatism NCT00925886	Asociación para Evitar la Ceguera en México	N/A
Completed	Comparison of Senofilcon A Toric Lenses to Balafilcon A Toric Lenses Over Extended Wear Period NCT00762502	Johnson & Johnson Vision Care, Inc.	N/A
Unknown	Advanced Surface Ablation (ASA) vs Laser-Assisted In Situ Keratomileusis (LASIK) NCT00778570	Ottawa Hospital Research Institute	—
Completed	Intrastromal Corneal Ring for High Astigmatism on Postkeratoplasty NCT01018797	Instituto de Olhos de Goiania	Phase 4
Completed	Wavefront-guided Photorefractive Keratectomy (PRK) Versus Wavefront-guided Lasik for Myopia NCT01140594	Stanford University	N/A
Completed	A Study to Investigate the Safety and Effectiveness of Aspheric Laser Refractive Surgery Treatments for Myopia NCT00365677	Bausch & Lomb Incorporated	N/A
Completed	Evaluation of Outcomes Following LASIK Surgery Using CustomVue NCT00366769	Medical University of South Carolina	N/A
Completed	A Study to Evaluate the Safety and Effectiveness of the Technols 217z Zyoptix System for Hyperopia NCT00348205	Bausch & Lomb Incorporated	N/A
Completed	Comparison of a Laser Keratome to a Mechanical Microkeratome NCT00366574	Medical University of South Carolina	N/A
Unknown	Effect of Pterygium Excision on Intraocular Lens Power Calculation for Subsequent Cataract Operation NCT00563667	Hospital Authority, Hong Kong	N/A
Completed	Evaluation of Visual Outcomes After Myopic LASIK NCT00366743	Medical University of South Carolina	N/A
Completed	The Berkeley Orthokeratology Study NCT00000123	National Eye Institute (NEI)	Phase 3
Withdrawn	A Study to Evaluate the Safety and Effectiveness of the 217z Laser With Zyoptix for Lasik NCT00347997	Bausch & Lomb Incorporated	N/A