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To evaluate the visual and refractive outcomes of intrastromal corneal ring segment in keratoconic eyes at different stages

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Keratoconus Trial in Assiut (Intrastromal corneal ring segment implantation (Pocket), Intrastromal corneal ring segment

Active, not recruiting
  • Keratoconus
  • Intrastromal corneal ring segment implantation (Pocket)
  • Intrastromal corneal ring segment implantation (Tunnel)
  • Assiut, Egypt
    Tiba Eye Center
Feb 19, 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

After Implantation With Two Different Multifocal Toric IOL:

Enrolling by invitation
  • Cataract
    • Veszprém, Hungary
      Retinaszervíz
    May 31, 2023

    Keratoconus Trial in Guangzhou (Corneal donors predisposed by CXL, Corneal donors stored in corneal storage media)

    Not yet recruiting
    • Keratoconus
    • Corneal donors predisposed by CXL
    • Corneal donors stored in corneal storage media
    • Guangzhou, Guangdong, China
      Zhongshan Ophthalmic Center, Sun Yat-Sen University
    Jun 14, 2023

    Corneal Astigmatism, Cataract Trial (Cataract surgery with AcrySof IQ IOL implantation., Cataract surgery with TECNIS toric IOL

    Not yet recruiting
    • Corneal Astigmatism
    • Cataract
    • Cataract surgery with AcrySof IQ IOL implantation.
    • Cataract surgery with TECNIS toric IOL implantation.
    • (no location specified)
    Apr 17, 2022

    Keratoconus Trial in Minya (corneal ring segments)

    Recruiting
    • Keratoconus
    • corneal ring segments
    • Minya, Egypt
      Ahmed Maher Khalafallah
    Sep 21, 2021

    After Contoura® Refractive Surgery Planned Using Phorcides

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

    Lens Tilt Using Optical Coherence Tomography and Partial Least

    Recruiting
    • Cataract
      • Linz, Upper Austria, Austria
        Kepler University Hospital
      Jun 21, 2023

      After Implantation of Intrastromal Corneal Rings in Keratoconus.

      Recruiting
      • Keratoconus
      • corneal tomography scans
      • Assiut, Egypt
        Assiut Faculty of Medicine
      Aug 24, 2022

      Safety Outcomes Following Implantation ofAddOn Intraocular Lens

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

      Cataract Senile, Myopia, High-Grade, Corneal Astigmatism Trial in Moscow (IOL Clareon AutonoMe, IOL Hoya iSert 251)

      Recruiting
      • Cataract Senile
      • +2 more
      • IOL Clareon AutonoMe
      • IOL Hoya iSert 251
      • Moscow, Russian Federation
        The S. N. Fyodorov Eye Microsurgery Federal State Institution
      Nov 24, 2021

      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

      DMEK Endothelial Keratoplasty inHistory of Anterior or Posterior

      Not yet recruiting
      • Patients Undergoing DMEK With a History of Anterior or Posterior Segment Surgery
      • Descemet Membrane Endothelial Keratoplasty
      • (no location specified)
      Aug 22, 2023

      Keratoconus Trial in Assiut (Accelerated crosslinking (ACXL))

      Recruiting
      • Keratoconus
      • Accelerated crosslinking (ACXL)
      • Assiut, Egypt
        Tiba eye center
      Jan 20, 2023

      Keratoconus Trial in Montpellier (cross-linking surgery or intra corneal ring, abstention)

      Not yet recruiting
      • Keratoconus
      • cross-linking surgery or intra corneal ring
      • abstention
      • Montpellier, Occitanie, France
        CHU Gui de Chauliac - Service d'Ophtamologie
      Jan 4, 2023

      Aphakia, Cataract Trial in United States (Light Adjustable lens (LAL) and Light Delivery Device (LDD), Control IOL)

      Completed
      Has Results
      • Aphakia
      • Cataract
      • Light Adjustable lens (LAL) and Light Delivery Device (LDD)
      • Control IOL
      • Leawood, Kansas
      • +5 more
      Nov 22, 2021

      Keratoconus Trial (INTACS)

      Not yet recruiting
      • Keratoconus
      • INTACS
      • (no location specified)
      May 17, 2022

      Observational Study of Corneal Opacities in Adults

      Recruiting
      • Corneal Opacities (Scar and Stromal Dystrophy)
        • Portland, Oregon
          Humberto Martinez
        Sep 20, 2022

        Effect of Cataract Surgery on Corneal Endothelium; About 2 Techniques Trial in Nabeul (phacoemulsification, utrasound

        Completed
        • Effect of Cataract Surgery on Corneal Endothelium; About 2 Techniques
        • phacoemulsification
        • +2 more
        • Nabeul, Tunisia
          Mohamed Taher Maamouri Hospital
        Jun 1, 2023

        Keratoconus Trial (Riboflavin 5'-phosphate in 20% dextran ophthalmic solution) 0.146%)

        Not yet recruiting
        • Keratoconus
        • Riboflavin 5'-phosphate in 20% dextran ophthalmic solution) 0.146% with UV light
        • Riboflavin 5'-phosphate in 20% dextran ophthalmic solution) 0.146% without UV light
        • Boston, Massachusetts
          Massachusetts Eye and Ear Infirmary
        Jan 12, 2023

        Keratoconus Trial in Teaneck (Corneal tissue inlay)

        Recruiting
        • Keratoconus
        • Corneal tissue inlay
        • Teaneck, New Jersey
          Cornea and Laser Eye Institue - Hersh Vision Group
        Mar 7, 2022

        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

        Corneal Haze With Disability Glare

        Withdrawn
        • Vision Disability
          • Cleveland, Ohio
            University Hospitals Case Medical Center
          Apr 5, 2022

          Morphology Abnormal Cornea Stability With Corneal Biomechanical

          Completed
          • Keratoconus, Stable
          • Pentacam and Corvis ST
          • Tianjin, Tianjin, China
            Tiajin Eye Hospital
          Feb 17, 2023

          Cataract, Lens Opacities, Presbyopia Trial in Makati City (IOL implantation experimental, IOL implantation active comparator)

          Completed
          • Cataract
          • +2 more
          • IOL implantation experimental
          • IOL implantation active comparator
          • Makati City, Philippines
            Asian Eye Institute
          Oct 27, 2022