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Higher order aberration correction

Showing 1 - 25 of >10,000

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FS-LASIK Surgery Effect on Higher Order Aberrations Trial in Cairo (LASIK refractive surgery)

Not yet recruiting
  • FS-LASIK Surgery Effect on Higher Order Aberrations
  • LASIK refractive surgery
  • Cairo, Egypt
    Kasr Al Ainy
Jul 14, 2021

Eyelid Diseases, Ptosis, Eyelid Trial in Taipei (levator muscle resection surgery, Müller's muscle-conjuctival resection

Recruiting
  • Eyelid Diseases
  • Ptosis, Eyelid
  • levator muscle resection surgery
  • +2 more
  • Taipei, Taiwan
    National Taiwan University Hospital
Feb 20, 2023

Keratoconus, Irregular Astigmatism, Corneal Ectasia Trial in Teaneck (Wavefront Guided Scleral Lenses, Traditional Scleral

Recruiting
  • Keratoconus
  • +6 more
  • Wavefront Guided Scleral Lenses
  • Traditional Scleral Lenses
  • Teaneck, New Jersey
    Cornea and Laser Eye Institue - Hersh Vision Group
Apr 14, 2021

Cataract Trial in Cairo (phacoemulsification with intraocular lens implantation, ocular aberrometer assesment)

Recruiting
  • Cataract
  • phacoemulsification with intraocular lens implantation
  • ocular aberrometer assesment
  • Cairo, Egypt
    facultyof medicine, Cairo university
Jan 11, 2021

Hyperopia Trial in Zlín (PiXL)

Unknown status
  • Hyperopia
  • PiXL
  • Zlín, Czechia
    Gemini Eye Clinic
Feb 2, 2021

Anterior Corneal Optical Aberration Induced by CK and Hyperopic

Unknown status
  • Refractive Error
  • CK surgery
  • Shanghai, Shanghai, China
    Shanghai Guanghua Integrated Traditional Chinese and Western Med
Dec 15, 2020

Vision, Low Trial in Houston (Spectacles - Clinically Derived, Spectacles - Metric Technique #1 Derived, Spectacles - Metric

Completed
  • Vision, Low
  • Spectacles - Clinically Derived
  • +2 more
  • Houston, Texas
    University of Houston
Sep 27, 2021

Keratomileusis, Laser In Situ, Contrast Sensitivity Trial in Taipei (Topoguided LASIK, Wavefront optimized LASIK)

Completed
  • Keratomileusis, Laser In Situ
  • Contrast Sensitivity
  • Topoguided LASIK
  • Wavefront optimized LASIK
  • Taipei, Taiwan
    Taipei Nobel Eye Clinic
Jun 3, 2021

Myopia Trial in Damietta (Implantable Collamer Lens (ICL), Implantable Intraocular Lens (IPCL))

Completed
  • Myopia
  • Implantable Collamer Lens (ICL)
  • Implantable Intraocular Lens (IPCL)
  • Damietta, Egypt
    Akram Fekry Elgazzar
Sep 22, 2023

Nearsightedness, Astigmatism Trial in Palo Alto (LASIK)

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

Visual Quality and Contrast Sensitivity Function for Limbal

Completed
  • Limbal Dermoid
    • Guangzhou, Guangdong, China
      Zhongshan Opthalmic Center
    Nov 22, 2021

    Myopia, High Myopia Trial in Kowloon (ortho-k lenses and thinner spectacles, newly designed ortho-k lenses)

    Recruiting
    • Myopia
    • High Myopia
    • ortho-k lenses and thinner spectacles
    • newly designed ortho-k lenses
    • Kowloon, Hong Kong
      School of Optometry, The Hong Kong Polytechnic University
    Feb 14, 2021

    Myopia, Myopic Astigmatism, Presbyopia Trial in London (HiSMILE treatment option)

    Not yet recruiting
    • Myopia
    • +2 more
    • HiSMILE treatment option
    • London, United Kingdom
      London Vision Clinic
    Jan 4, 2023

    Intraocular Lens Power Calculation After Laser Refractive

    Recruiting
    • Cataract
    • OCT measurements
    • Portland, Oregon
      Casey Eye Institute, Oregon Health & Science University
    Jul 13, 2021

    Contact Lens Wearer Trial in Rochester (kalifilcon A Daily Disposable Toric LD213001 lens in SKUs +6D, +3D, 0D, -3D, -6D, and

    Completed
    • Contact Lens Wearer
    • kalifilcon A Daily Disposable Toric LD213001 lens in SKUs +6D, +3D, 0D, -3D, -6D, and -9D
    • Rochester, New York
      Bausch and Lomb Site 01
    Nov 10, 2021

    Myopia, Progressive Trial in Shenyang (0.01% atropine eye drop)

    Not yet recruiting
    • Myopia, Progressive
    • 0.01% atropine eye drop
    • Shenyang, Liaoning, China
      He Eye Hospital
    Oct 2, 2023

    Central and Peripheral Wavefront Aberration Profile in Pediatric

    Not yet recruiting
    • Myopia
    • Intervention
    • Houston, Texas
      University of Houston College of Optometry - J. Armistead Bldg R
    Oct 9, 2023

    Corneal High Order Aberrations After Stream Light and Mechanical

    Recruiting
    • Compare Corneal High Order Aberrations Before and After Stream Light Trans-PRK and Mechanical Photorefractive Keratectomy
    • Photorefractive keratectomy
    • Assiut, Assiut University, Egypt
      Assiut university faculty of medicine
    Oct 26, 2023

    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

    Prospective Evaluation for Hybrid Cardiac Procedures

    Recruiting
    • Left Main Coronary Artery Disease
    • +7 more
    • Coronary artery bypass grafting
    • +3 more
    • Roma, Italy
      IRCCS Fondazione Policlinico Universitario Agostino Gemelli
    Jan 26, 2023

    Knee Disease, Knee Osteoarthritis, Knee Injuries and Disorders Trial in Belchatów (Biplanar PSI slope-reducing MOWHTO.)

    Active, not recruiting
    • Knee Disease
    • +2 more
    • Biplanar PSI slope-reducing MOWHTO.
    • Bełchatów, Poland
      Artromedical Orthopaedic Clinic
    Jul 11, 2022

    Trauma Trial (4 factor Prothrombin Complex Concentrates)

    Not yet recruiting
    • Trauma
    • 4 factor Prothrombin Complex Concentrates
    • (no location specified)
    Feb 21, 2023

    Contoura vs Wavefront Optimized Ablation

    Not yet recruiting
    • Astigmatism
    • Laser assisted in-situ keratomileusis
    • Photorefractive keratectomy
    • (no location specified)
    Apr 24, 2023

    Work-Related Condition Trial in E. Elmhurst (Targeted Educational Campaign)

    Active, not recruiting
    • Work-Related Condition
    • Targeted Educational Campaign
    • E. Elmhurst, New York
      Rikers Island Jails (Anna M. Kross Center, Rose M. Singer Center
    Jul 5, 2022

    Visual Quality Trial in Guangdong

    Recruiting
    • Visual Quality
      • Guangdong, Guangzhou, China
        First Affiliated Hospital of Jinan University
      Jun 16, 2021