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refractive astigmatism

Showing 1 - 25 of 833
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ORA and Residual Refractive Astigmatism After SMILE

Completed
  • Refractive Errors
  • Astigmatism
  • Small Incision Lenticule Extraction
  • Taipei, Taiwan
    Taipei Nobel Eye Clinic
Oct 31, 2022

Refractive Errors, Myopic Astigmatism Trial in Cairo (Small Incision Lenticule Extraction (SMILE))

Recruiting
  • Refractive Errors
  • Myopic Astigmatism
  • Small Incision Lenticule Extraction (SMILE)
  • Cairo, Egypt
    Al Watany Eye Hospital
Sep 25, 2023

Myopia Trial in Columbus (Corneal Refractive Therapy-spherical, Corneal Refractive Therapy-aspherical)

Completed
  • Myopia
  • Corneal Refractive Therapy-spherical
  • Corneal Refractive Therapy-aspherical
  • Columbus, Ohio
    The Ohio State University College of Optometry
Jul 27, 2022

Contact Lens Complication, Astigmatism, Refractive Errors Trial in Pittsburg, Coldwater (TOTAL30 for Astigmatism Contact Lenses)

Not yet recruiting
  • Contact Lens Complication
  • +2 more
  • TOTAL30 for Astigmatism Contact Lenses
  • Pittsburg, Kansas
  • +1 more
Sep 18, 2023

Refractive Errors, Astigmatism Trial (EyeQue VisionCheck, Phoropter)

Not yet recruiting
  • Refractive Errors
  • Astigmatism
  • EyeQue VisionCheck
  • Phoropter
  • (no location specified)
Sep 6, 2023

Astigmatism Trial in Manchester (Soft Toric Custom Made Contact lens, Soft Spherical Contact Lenses, Spectacle Correction)

Active, not recruiting
  • Astigmatism
  • Soft Toric Custom Made Contact lens
  • +2 more
  • Manchester, United Kingdom
    Eurolens Research
May 4, 2022

Refractive Ametropia (Myopia, Hyperopia and Astigmatism) Trial (REVIVE Contact Lens)

Not yet recruiting
  • Refractive Ametropia (Myopia, Hyperopia and Astigmatism)
  • REVIVE Contact Lens
  • (no location specified)
Sep 19, 2023

Refractive Errors, Myopia, Myopic Astigmatism Trial in Cairo (Refractive Surgery)

Recruiting
  • Refractive Errors
  • +2 more
  • Refractive Surgery
  • Cairo, Egypt
    Alwatany Eye Hospital
Jan 1, 2023

Safety Outcomes Following Implantation ofAddOn Intraocular Lens

Not yet recruiting
  • Presbyopia
  • +2 more
  • supplementary intraocular lenses
  • Antwerpen, Belgium
  • +3 more
Oct 24, 2022

Refractive Ametropia Trial in Rochester (Kalifilcon Toric Lens, Total1 for Astigmatism, Precision1 for Astigmatism)

Completed
  • Refractive Ametropia
  • Kalifilcon Toric Lens
  • +3 more
  • Rochester, New York
    Bausch & Lomb, Incorporated
Oct 23, 2023

Myopia, Astigmatism Trial (CLEAR)

Not yet recruiting
  • Myopia
  • Astigmatism
  • CLEAR
  • (no location specified)
Jul 29, 2022

Refractive Error Trial in Palo Alto, Draper (ELITA System)

Not yet recruiting
  • Refractive Error
  • ELITA System
  • Palo Alto, California
  • +1 more
Jan 25, 2023

Astigmatism, Refractive Errors Trial in United States (Delefilcon A toric soft contact lens, Lehfilcon A toric soft contact

Not yet recruiting
  • Astigmatism
  • Refractive Errors
  • Delefilcon A toric soft contact lens
  • +3 more
  • Los Angeles, California
  • +6 more
Mar 23, 2023

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

Myopia, Astigmatism Trial in San Diego (Visumax spherocylindrical treatment)

Recruiting
  • Myopia
  • Astigmatism
  • Visumax spherocylindrical treatment
  • San Diego, California
    Navy Warfighter Refractive Surgery Center
Apr 14, 2022

Myopic Astigmatism Trial in China (CLEAR)

Recruiting
  • Myopic Astigmatism
  • CLEAR
  • Beijing, Bei-jing, China
  • +3 more
Jan 26, 2022

Refractive Errors, Astigmatism Trial in Inglewood (Hand-held device supported by a mobile application, Phoropter, Autorefractor)

Completed
Has Results
  • Refractive Errors
  • Astigmatism
  • Hand-held device supported by a mobile application
  • +2 more
  • Inglewood, California
    United Medical Research Institute
Feb 28, 2022

Clareon IOL Retrospective Data Collection

Not yet recruiting
  • Aphakia
  • Astigmatism
  • Clareon UVA IOL
  • +2 more
  • Fort Worth, Texas
    Alcon Research, LLC
Mar 22, 2023

Myopia, Astigmatism Trial in Paris (TransPRK, Alcohol PRK)

Recruiting
  • Myopia
  • Astigmatism
  • TransPRK
  • Alcohol PRK
  • Paris, France
    Hôpital Fondation A. de Rothschuld
Dec 6, 2022

Ametropia, Myopia, Hyperopia Trial in United States (Serafilcon A toric contact lenses, Senofilcon A toric contact lenses, CLEAR

Not yet recruiting
  • Ametropia
  • +3 more
  • Serafilcon A toric contact lenses
  • +2 more
  • Oakland, California
  • +6 more
Jul 24, 2023

Myopia, Astigmatism Trial in Worldwide (Cheetah System)

Recruiting
  • Myopia
  • Astigmatism
  • Cheetah System
  • Rajajinagar, Bangalore, India
  • +4 more
Mar 21, 2022

Myopia, Astigmatism Trial in Wallisellen (Corneal Ablation)

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

Astigmatism, Ametropia, Myopia Trial in United States (Verofilcon A toric soft contact lenses, Stenfilcon A toric soft contact

Not yet recruiting
  • Astigmatism
  • +2 more
  • Verofilcon A toric soft contact lenses
  • Stenfilcon A toric soft contact lenses
  • Los Angeles, California
  • +10 more
Aug 15, 2022

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

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