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Astigmatism

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STUDY
CONDITIONS
INTERVENTIONS
LOCATIONS
LAST UPDATED

Astigmatism, Presbyopia Trial in Canada, United States (comfilcon A, Samfilcon A)

Completed
Has Results
  • Astigmatism
  • Presbyopia
  • comfilcon A
  • Samfilcon A
  • Athens, Ohio
  • +6 more
Feb 9, 2022

Visual Acuity, Astigmatism, Anisometropia Trial in Worcester, Oyster Bay (LFR-260 portable phoropter, Traditional phoropter

Not yet recruiting
  • Visual Acuity
  • +2 more
  • LFR-260 portable phoropter
  • Traditional phoropter (Standard of Care)
  • Worcester, Massachusetts
  • +1 more
Feb 18, 2022

Cataract, Lens Opacities, Astigmatism Trial in Japan (POD T 49P implantation experimental)

Recruiting
  • Cataract
  • +2 more
  • POD T 49P implantation experimental
  • Nagoya, Aichi, Japan
  • +3 more
Feb 15, 2022

Astigmatism Trial in United States (Lens A, Lens B)

Completed
Has Results
  • Astigmatism
  • Lens A
  • Lens B
  • Whittier, California
  • +3 more
Feb 11, 2022

Astigmatism Correction With Intrastromal Arcuate Incisions in

Recruiting
  • Cataract
  • Astigmatism
  • Calculation of the arcuate intrasomal incisions
  • Alicante, Spain
    OFTALVIST (Oftalmología Vistahermosa S.L.)
Feb 3, 2022

Cataract, Astigmatism Trial in Paris (Images of the operated eye (s))

Recruiting
  • Cataract
  • Astigmatism
  • Images of the operated eye (s)
  • Paris, Hôpital Fondation A. De Rothschild, France
    Hôpital Fondation A. de Rothschuld
Jan 24, 2022

Cataract, Nuclear Sclerosis, Cortical Cataract Trial in Poughkeepsie (Pseudophakic Measurement)

Completed
  • Cataract
  • +4 more
  • Pseudophakic Measurement
  • Poughkeepsie, New York
    Alterman Modi and Wolter Ophthalmic Physicians and Surgeons
Jan 5, 2022

Presbyopia, Myopia, Hyperopia Trial in United States (APIOC for Presbyopia and APIOC for Presbyopia for Astigmatism)

Completed
  • Presbyopia
  • +3 more
  • APIOC for Presbyopia and APIOC for Presbyopia for Astigmatism
  • San Diego, California
  • +5 more
Jan 17, 2022

Ametropia, Myopia, Hyperopia Trial in Columbus (Apioc Contact Lens Design)

Completed
  • Ametropia
  • +4 more
  • Apioc Contact Lens Design
  • Columbus, Ohio
    The Ohio State University
Jan 17, 2022

Myopia, Hyperopia, Astigmatism Trial in United States (APIOC Sphere and APIOC Astigmatism)

Completed
  • Myopia
  • +2 more
  • APIOC Sphere and APIOC Astigmatism
  • San Diego, California
  • +5 more
Jan 17, 2022

Myopia, Astigmatism Trial in Palo Alto (Intralase IFS150, Visumax)

Completed
Has Results
  • Myopia
  • Astigmatism
  • Intralase IFS150
  • Visumax
  • Palo Alto, California
    Byers Eye Institute at Stanford
Nov 15, 2021

Aphakia, Presbyopia, Astigmatism Trial in Puerto Rico, United States (ACRYSOF IQ RESTOR +3.0 Multifocal Toric IOL, ACRYSOF IQ

Recruiting
  • Aphakia
  • +2 more
  • ACRYSOF IQ RESTOR +3.0 Multifocal Toric IOL
  • +3 more
  • Dothan, Alabama
  • +24 more
Dec 7, 2021

Myopia, Astigmatism Trial in Palo Alto (Wavefront-guided PRK, Wavefront-optimized PRK)

Completed
  • Myopia
  • Astigmatism
  • Wavefront-guided PRK
  • Wavefront-optimized PRK
  • Palo Alto, California
    Stanford Eye Laser Center
Nov 24, 2021

Wavefront-guided Versus Wavefront-optimized LASIK for

Completed
  • Myopia
  • Astigmatism
  • Wavefront-guided LASIK
  • Wavefront-optimized LASIK
  • Stanford, California
    Stanford University School of Medicine
Nov 24, 2021

Refractive Errors, Astigmatism Trial in United States (Verofilcon A toric contact lenses, Stenfilcon A toric contact lenses)

Completed
  • Refractive Errors
  • Astigmatism
  • Verofilcon A toric contact lenses
  • Stenfilcon A toric contact lenses
  • Maitland, Florida
  • +5 more
Dec 6, 2021

Cataract, Lens Opacities, Astigmatism Trial in Makati City (IOL implantation experimental)

Recruiting
  • Cataract
  • +2 more
  • IOL implantation experimental
  • Makati City, Philippines
    Asian Eye Institute
Nov 29, 2021

Astigmatism, Myopia Trial in Manchester (Test Contact lens, Control Contact lens)

Completed
Has Results
  • Astigmatism
  • Myopia
  • Test Contact lens
  • Control Contact lens
  • Manchester, United Kingdom
    Eurolens Research
Nov 19, 2021

Myopia, Astigmatism Trial in Wallisellen (Corneal Ablation)

Recruiting
  • Myopia
  • Astigmatism
  • Corneal Ablation
  • Wallisellen, Canton Zürich, Switzerland
    Augen Glattzentrum ONO Wallisellen
Nov 17, 2021

Quality of Vision and Quality of Life With LASIK

Active, not recruiting
  • Myopia
  • +2 more
  • Patient Quality of Life andVision after LASIK Surgery
  • Palo Alto, California
    Stanford Eye Laser Center
Nov 6, 2021

An Evaluation of LASIK, SMILE and PRK Surgery in Physicians

Recruiting
  • Nearsightedness
  • +2 more
  • Questionnaire (QoV questionnaire)
  • Palo Alto, California
    Byers Eye Institute at Stanford
Nov 6, 2021

Nearsightedness, Astigmatism Trial in Palo Alto (LASIK)

Active, not recruiting
  • Nearsightedness
  • Astigmatism
  • LASIK
  • Palo Alto, California
    Stanford University School of Medicine
Nov 6, 2021

Hyperopia, Myopia, Astigmatism Trial in Stanford (LASIK and PRK)

Active, not recruiting
  • Hyperopia
  • +2 more
  • LASIK and PRK
  • Stanford, California
    Stanford University School of Medicine
Nov 6, 2021

Myopia, Hypermetropia, Refractive Errors Trial in Philadelphia (Proparacaine Ophthalmic)

Recruiting
  • Myopia
  • +3 more
  • Proparacaine Ophthalmic
  • Philadelphia, Pennsylvania
    Wills Eye Hospital
Oct 4, 2021

Accuracy of Corneal Astigmatism in Different Region Modes

Recruiting
  • Astigmatism
  • Cornea
  • patients with corneal astigmatism
  • Wenzhou, Zhejiang, China
    Eye Hispital of Wenzhou Medical University
Oct 4, 2021

Astigmatism Trial in Charlottesville (Placebo Lenses, Spherical Lenses, Toric Lenses)

Completed
Has Results
  • Astigmatism
  • Placebo Lenses
  • +2 more
  • Charlottesville, Virginia
    University of Virginia Driving Safety Laboratory
Oct 4, 2021