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Astigmatism

Showing 676 - 700 of 766
STUDY
CONDITIONS
INTERVENTIONS
LOCATIONS
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Refractive Error Trial in Canada (STAR S4IR LASIK with iDesign Aberrometer)

Completed
Has Results
  • Refractive Error
  • STAR S4IR LASIK with iDesign Aberrometer
  • Victoria, British Columbia, Canada
  • +3 more
May 16, 2013

Corneal Astigmatism, Orientation Trial in Wenzhou (computerized intraoperative keratomer)

Completed
  • Corneal Astigmatism
  • Orientation
  • computerized intraoperative keratomer
  • Wenzhou, Zhejiang, China
    Wenzhou Medical College
Jul 9, 2012

Astigmatism Trial (Lotrafilcon B contact lens, Comfilcon A contact lens)

Completed
Has Results
  • Astigmatism
  • Lotrafilcon B contact lens
  • Comfilcon A contact lens
  • (no location specified)
Jun 26, 2012

Myopia, Astigmatism, Presbyopia Trial (lotrafilcon B contact lens)

Completed
Has Results
  • Myopia
  • +2 more
  • lotrafilcon B contact lens
  • (no location specified)
Jun 26, 2012

Corneal Astigmatism Measurement Study

Completed
  • Astigmatism
    • Fort Worth, Texas
      Alcon Call Center for Trial Locations
    Apr 6, 2012

    Hyperopia Trial in United States (MEL 80 Hyperopic LASIK Treatment)

    Completed
    • Hyperopia
    • MEL 80 Hyperopic LASIK Treatment
    • San Diego, California
    • +5 more
    Aug 9, 2012

    Astigmatism Trial in Tabriz (photorefractive keratectomy (PRK))

    Completed
    Has Results
    • Astigmatism
    • photorefractive keratectomy (PRK)
    • Tabriz, East Azarbaijan, Iran, Islamic Republic of
      Nikookari eye hospital
    Mar 10, 2012

    Astigmatism, Cataract Trial in Shenyang (phacoemulsification, Pentacam (Oculus,Germany)examination)

    Unknown status
    • Astigmatism
    • Cataract
    • phacoemulsification
    • Pentacam (Oculus,Germany)examination
    • Shenyang, Liaoning, China
      Eye hospital of China Medical Univerisity
    Mar 13, 2012

    Myopia, Hyperopia Trial in United States (HDS HI 1.54; pahrifocon A, FluoroPerm 30 RGP; paflufocon C)

    Completed
    • Myopia
    • Hyperopia
    • HDS HI 1.54; pahrifocon A
    • FluoroPerm 30 RGP; paflufocon C
    • Lake Elsinore, California
    • +7 more
    Jun 12, 2012

    Benign Prostatic Hyperplasia Trial in Japan, Korea, Republic of (Tadalafil, Placebo)

    Completed
    Has Results
    • Benign Prostatic Hyperplasia
    • Chiba, Japan
    • +16 more
    Jul 23, 2013

    Keratoconus Trial in Tehran (intrastromal corneal ring segments (Keraring) implantation, Intrastromal corneal continuous ring

    Unknown status
    • Keratoconus
    • intrastromal corneal ring segments (Keraring) implantation
    • Intrastromal corneal continuous ring (Myoring) implantation
    • Tehran, Iran, Islamic Republic of
      Islamic Republic OF Iran
    Jun 1, 2013

    Fuch's Endothelial Dystrophy, Bullous Keratopathy, Unspecified Eye Trial in Toronto (Tan Endoglide, Endosaver)

    Unknown status
    • Fuch's Endothelial Dystrophy
    • Bullous Keratopathy, Unspecified Eye
    • Tan Endoglide
    • Endosaver
    • Toronto, Ontario, Canada
      Toronto Western Hospital
    Feb 13, 2013

    Cataract Trial in Fort Worth (Phacoemulsification cataract extraction surgery, Small incision cataract surgery)

    Completed
    Has Results
    • Cataract
    • Phacoemulsification cataract extraction surgery
    • Small incision cataract surgery
    • Fort Worth, Texas
      Alcon Call Center
    Oct 26, 2012

    Myopia, Astigmatism Trial (217z Laser)

    Withdrawn
    • Myopia
    • Astigmatism
    • 217z Laser
    • (no location specified)
    Dec 7, 2011

    Eye Abnormalities Trial in Goiania

    Completed
    • Eye Abnormalities
      • Goiania, Goias, Brazil
        Instituto de Olhos de Goiania
      Dec 6, 2012

      Myopia, Astigmatism Trial (The Bausch & Lomb Zyoptix Tissue Saving Aspheric algorithm, The Bausch & Lomb Zyoptix Tissue Saving

      Completed
      • Myopia
      • Astigmatism
      • The Bausch & Lomb Zyoptix Tissue Saving Aspheric algorithm
      • The Bausch & Lomb Zyoptix Tissue Saving algorithm
      • (no location specified)
      Dec 7, 2011

      Cataracts, Astigmatism Trial in Beverly Hills (Abbott WHITESTAR Signature System with Ellips Transversal Ultrasound, Alcon

      Completed
      • Cataracts
      • Astigmatism
      • Abbott WHITESTAR Signature System with Ellips Transversal Ultrasound
      • Alcon Infiniti wiht the OZIL Torsional Handpiece
      • Beverly Hills, California
        Kerry Assil
      Jan 13, 2012

      Using a Pediatric Vision Scanner

      Completed
      • Amblyopia
      • Strabismus
      • Pediatric Vision Scanner eye scan
      • Los Angeles, California
        Doheny Eye Institute
      Oct 12, 2012

      Myopia, Astigmatism Trial in Johor Bahru (SofLens DD Toric, Ciba Vision Focus Dailies Toric Contact Lens)

      Completed
      Has Results
      • Myopia
      • Astigmatism
      • SofLens DD Toric
      • Ciba Vision Focus Dailies Toric Contact Lens
      • Johor Bahru, Malaysia
        Laser Focus Sdn Bhd, Vision Correction Centre
      Dec 7, 2011

      Hyperopia, Hypermetropia, Farsightedness Trial in Columbus (Spectacles)

      Terminated
      • Hyperopia
      • +2 more
      • Spectacles
      • Columbus, Ohio
        The Ohio State University College of Optometry
      Oct 18, 2012

      First-Sight Refractive Error Correction in the Developing World

      Completed
      • Vision Loss
        • Omaha, Nebraska
        • +1 more
        Jul 3, 2012

        Cataract Trial in Fort Worth (AcrySof® Toric intraocular lens)

        Completed
        Has Results
        • Cataract
        • AcrySof® Toric intraocular lens
        • Fort Worth, Texas
          Alcon Call Center
        Oct 26, 2012

        Cataract Extraction Surgery and Limbal Relaxing Incision on

        Completed
        Has Results
        • Dry Eye
        • Cataract Surgery and Limbal relaxing incision
        • Long Island, New York
          (unnamed)
        Jul 17, 2012

        Cataract Trial in Wenzhou (Cataract Surgery)

        Completed
        • Cataract
        • Cataract Surgery
        • Wenzhou, Zhejiang, China
          Wenzhou Medical College
        Jul 4, 2012

        Degenerative Disc Disease Trial in United States (INFUSE® Bone Graft/PEEK Spacer/Anterior Cervical Plate)

        Completed
        Has Results
        • Degenerative Disc Disease
        • INFUSE® Bone Graft/PEEK Spacer/Anterior Cervical Plate
        • Beverly Hills, California
        • +15 more
        Feb 14, 2013