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Higher Order aberrations measured using a wavefront analyzer.

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

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

Angle Kappa , Corneal High Order Aberrations and Total Eye

Not yet recruiting
  • Aberration, Corneal Wavefront
  • Pentacam Imaging
  • (no location specified)
Feb 14, 2023

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

Myopia, Astigmatism Trial in Palo Alto (Wavefront-guided LASIK - Allegretto, Wavefront-guided LASIK - AMO)

Completed
  • Myopia
  • Astigmatism
  • Wavefront-guided LASIK - Allegretto
  • Wavefront-guided LASIK - AMO
  • Palo Alto, California
    Byers Eye Institute at Stanford
Apr 3, 2022

Contoura vs Wavefront Optimized Ablation

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

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

Myopia, Astigmatism Trial in Stanford (Photorefractive keratectomy, Laser in-situ keratomileusis)

Completed
  • Myopia
  • Astigmatism
  • Photorefractive keratectomy
  • Laser in-situ keratomileusis
  • Stanford, California
    Stanford University School of Medicine
Apr 3, 2022

Visual Quality Trial in Guangdong

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

    Nearsightedness, Astigmatism Trial in Palo Alto (LASIK)

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

    Keratoconus Trial in Montréal (Application of 0.02% MMC over 60 seconds post corneal crosslinking., Corneal crosslinking without

    Unknown status
    • Keratoconus
    • Application of 0.02% MMC over 60 seconds post corneal crosslinking.
    • Corneal crosslinking without the application of 0.02% MMC
    • Montréal, Quebec, Canada
      Hôpital Maisonneuve-Rosemont
    Oct 6, 2021

    Dry Eye Disease Trial in Jakarta Pusat (Diquafosol sodium 3%, Sodium hyaluronate 0.1%)

    Recruiting
    • Dry Eye Disease
    • Diquafosol sodium 3%
    • Sodium hyaluronate 0.1%
    • Jakarta Pusat, Jakarta, Indonesia
      RSUPN Dr. Cipto Mangunkusumo
    Nov 24, 2023

    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

    Keratoconus Trial (Customized contact lens)

    Not yet recruiting
    • Keratoconus
    • Customized contact lens
    • (no location specified)
    Nov 23, 2021

    Presbyopia Trial in Makati City (Bilateral Laser Scleral Microporation procedure)

    Recruiting
    • Presbyopia
    • Bilateral Laser Scleral Microporation procedure
    • Makati City, Philippines
      Asian Eye Institute
    Mar 24, 2022

    Dysphotopsia Trial (diagnostic of optical aberrations)

    Not yet recruiting
    • Dysphotopsia
    • diagnostic of optical aberrations
    • (no location specified)
    Aug 23, 2022

    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

    Refractive Errors, Aberration, Corneal Wavefront Trial in Wroclaw

    Active, not recruiting
    • Refractive Errors
    • Aberration, Corneal Wavefront
      • Wrocław, Poland
        Department of Optics and Photonics
      Mar 27, 2022

      The Potential of HemoScreen for Monitoring Blood Values in

      Completed
      • Cancer
      • HemoScreen hematology analyzer
      • Næstved, Denmark
        Zealand University Hospital, Oncology
      Dec 23, 2022

      Dry Eye Syndromes Trial in Rochester (Platelet Poor Plasma Tear Drops, Platelet Rich Plasma Tear Drops)

      Recruiting
      • Dry Eye Syndromes
      • Platelet Poor Plasma Tear Drops
      • Platelet Rich Plasma Tear Drops
      • Rochester, New York
        Flaum Eye Institute at the University of Rochester
      Jan 23, 2023

      Mini-Monovision BetweenMonofocal andAdjustable Intraocular Lens

      Not yet recruiting
      • Cataract
      • Clareon Monofocal
      • Light-Adjustable Lens
      • Gainesville, Georgia
        Gainesville Eye Associates
      Nov 3, 2023

      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

      Meibomian Gland Expression on Corneal Aberrations in MGD

      Completed
      • Meibomian Gland Dysfunction
        • Wenzhou, Zhejiang, China
          Eye Hospital of Wenzhou Medical College
        Aug 31, 2021