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Refractive surgery

Showing 1 - 25 of >10,000
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Factors Influencing Nocturnal Symptoms After Refractive Surgery.

Active, not recruiting
  • Refractive Surgery
  • Visual Quality
  • refractive surgery
  • Nanchang, Jiangxi, China
    The Second Affiliated Hospital of Nanchang University
Dec 13, 2022

Refractive Surgery on OCT Measurements in the Eye

Not yet recruiting
  • Optical Coherence Tomography
  • +2 more
  • Optical coherence tomography
  • Omaha, Nebraska
    University of Nebraska Medical Centre
May 9, 2023

Dry Eye Trial in Beijing (artificial tear eyedrops, 0.05% cyclosporine eyedrops)

Recruiting
  • Dry Eye
  • artificial tear eyedrops
  • 0.05% cyclosporine eyedrops
  • Beijing, Beijing, China
    Hong Qi
Sep 12, 2023

Individualized Refractive Surgery Trial in Alicante (Software development for individualized refractive surgery)

Recruiting
  • Individualized Refractive Surgery
  • Software development for individualized refractive surgery
  • Alicante, Spain
    Alicante Vissum Miranza
Sep 20, 2022

Dry Eye, Dry Eye After LASIK-Laser in Situ Keratomileusis Trial (IPL+LLLT)

Not yet recruiting
  • Dry Eye
  • Dry Eye After LASIK-Laser in Situ Keratomileusis
  • IPL+LLLT
  • (no location specified)
Apr 5, 2023

Retinal Detachment, Refractive Errors Trial in Banha (Vitrectomy)

Recruiting
  • Retinal Detachment
  • Refractive Errors
  • Vitrectomy
  • Banhā, QA, Egypt
    Benha University
Oct 13, 2022

ORA and Residual Refractive Astigmatism After SMILE

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

Patients Developing Chronic Dry Eye After Refractive Surgery

Not yet recruiting
  • Dry Eye
  • FS-LASIK
  • Beijing, Beijing, China
    Peking University Third Hospital
Oct 29, 2022

Refractive Errors, Satisfaction, Cornea Trial in London (LASIK, PRK, Phacoemulsification)

Completed
  • Refractive Errors
  • +3 more
  • LASIK, PRK, Phacoemulsification
  • London, United Kingdom
    Moorfields Eye Hospital NHS Foundation Trust, 162 City Road
Apr 4, 2022

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

After Corneal Refractive Surgery

Completed
  • Myopia
  • Refractive surgery
  • Tanta, El-Garbeia, Egypt
    Tanta University Hospital
Feb 7, 2022

Meibomian Gland Dysfunction, Blepharitis Trial in Alicante (Study group, Control group)

Recruiting
  • Meibomian Gland Dysfunction
  • Blepharitis
  • Study group
  • Control group
  • Alicante, Spain
    Alicante Vissum Miranza
Oct 17, 2022

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

    Dry Eye Disease Trial in Hanzhou (Pluripotent Stem Cell-derived Mesenchymal Stem Cell Exosome (PSC-MSC-Exo) Eye Drops)

    Not yet recruiting
    • Dry Eye Disease
    • Pluripotent Stem Cell-derived Mesenchymal Stem Cell Exosome (PSC-MSC-Exo) Eye Drops
    • Hanzhou, Zhejiang, China
      2nd Affiliated Hospital, School of Medicine, Zhejiang University
    Feb 21, 2023

    After Contoura® Refractive Surgery Planned Using Phorcides

    Completed
    Has Results
    • Refractive Errors
    • Phorcides Analytical Engine
    • Atlanta, Georgia
    • +4 more
    Feb 9, 2022

    Image, Body Trial in Durham (Optical Coherence Tomography (OCT), Magnetic resonance imaging (MRI))

    Terminated
    Has Results
    • Image, Body
    • Optical Coherence Tomography (OCT)
    • Magnetic resonance imaging (MRI)
    • Durham, North Carolina
      Duke University Duke Eye Center
    Mar 11, 2022

    Psychological Stress, Anesthesia, Anxiety Trial (Xenon, premedication hydroxyzine 25 mg)

    Not yet recruiting
    • Psychological Stress
    • +3 more
    • Xenon
    • premedication hydroxyzine 25 mg
    • (no location specified)
    Oct 5, 2023

    MIGS and Traditional Surgeries

    Enrolling by invitation
    • Glaucoma
    • Ocular Hypertension
      • Philadelphia, Pennsylvania
        Wills Eye Hospital
      Mar 25, 2022

      Pseudophakia Trial in Houston (Visual Acuity, Defocus Curve, Intraocular Lens Satisfaction (IOLSAT) Questionnaire)

      Recruiting
      • Pseudophakia
      • Visual Acuity
      • +5 more
      • Houston, Texas
        Berkeley Eye Center
      Sep 26, 2023

      After Implantation of an IOL After Cataract Surgery

      Active, not recruiting
      • Ophthalmological Disorder
        • Linz, Upper Austria, Austria
          Kepler University Hospital
        Oct 3, 2023

        Refractive Surgery Trial in Maadi (SBK microkeratome versus femtosecond laser in flap creation)

        Recruiting
        • Refractive Surgery
        • SBK microkeratome versus femtosecond laser in flap creation
        • Maadi, Cairo, Egypt
          Eye Care Center
        Jun 4, 2022

        Cataract, Lens Opacities, Presbyopia Trial (IOL implantation experimental)

        Withdrawn
        • Cataract
        • +2 more
        • IOL implantation experimental
        • (no location specified)
        Sep 29, 2021

        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

        Refractive Surgery Trial in San Antonio (Wave-Front Optimized (WFO) ablation vs Topography-guided (TG) ablation)

        Recruiting
        • Refractive Surgery
        • Wave-Front Optimized (WFO) ablation vs Topography-guided (TG) ablation
        • San Antonio, Texas
          Joint Warfighter Refractive Surgery Center at WHASC
        Aug 31, 2021

        Corneal Opacity Trial in San Diego (Mitomycin-C, Fluorometholone 1% topical ocular steroid)

        Active, not recruiting
        • Corneal Opacity
        • San Diego, California
          Navy Warfighter Refractive Surgery Center
        Apr 14, 2022