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astigmatism

Showing 751 - 766 of 766
STUDY
CONDITIONS
INTERVENTIONS
LOCATIONS
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Myopia Trial in Washington (Photorefractive Keratectomy (PRK))

Completed
  • Myopia
  • Photorefractive Keratectomy (PRK)
  • Washington, District of Columbia
    Walter Reed Army Medical Center, Center For Refractive Surgery
Mar 31, 2008

Surrgical Induced Astigmatism Trial in Tehran (phacoemulsification and intraocular lens implantation)

Completed
  • Surrgical Induced Astigmatism
  • phacoemulsification and intraocular lens implantation
  • Tehran, Iran, Islamic Republic of
    Ophthalmic research center
Sep 4, 2007

Myopia Trial in Washington (LASIK, PRK, Small target contrast sensitivity and disability glare)

Completed
  • Myopia
  • LASIK
  • +2 more
  • Washington, District of Columbia
    Walter Reed Army Medical Center, Center For Refractive Surgery
Mar 31, 2008

Evaluation Study for a Non-Contact Biometer

Completed
  • Cataract
  • +4 more
    • Bern, Switzerland
      Department of Ophthalmology, University Hospital
    Mar 18, 2008

    Nystagmus Trial run by the NEI (horizontal muscles of the eye will be cut and then reattached in the same position)

    Completed
    • Nystagmus
    • horizontal muscles of the eye will be cut and then reattached in the same position
    • Bethesda, Maryland
      National Eye Institute (NEI)
    Mar 3, 2008

    Refractive Errors Trial in México city (LASIK)

    Completed
    • Refractive Errors
    • LASIK
    • México city, Distrito Federal, Mexico
      Asociación Para Evitar la Ceguera en Mëxico, Hospital "Luis Sánc
    Nov 12, 2007

    Myopia Trial in Tao-Yuan (atropine, tropicamide)

    Unknown status
    • Myopia
    • Tao-Yuan, Taiwan
      Min-Sheng General Hospital
    Oct 9, 2007

    Refractive Errors Trial (Prk with mitomycin vs Lasik)

    Completed
    • Refractive Errors
    • Prk with mitomycin vs Lasik
    • (no location specified)
    Aug 15, 2006

    Myopia, Astigmatism, Myopic Astigmatism Trial (Amadeus Microkeratome, IntraLase)

    Completed
    • Myopia
    • +2 more
    • Amadeus Microkeratome
    • IntraLase
    • (no location specified)
    Aug 17, 2006

    Myopia, Astigmatism, Myopic Astigmatism Trial (Conventional LASIK, Wavefront-guided LASIK)

    Completed
    • Myopia
    • +2 more
    • Conventional LASIK
    • Wavefront-guided LASIK
    • (no location specified)
    Aug 17, 2006

    Myopia, Astigmatism, Myopic Astigmatism Trial (Wavefront-guided LASIK using CustomVue platform)

    Completed
    • Myopia
    • +2 more
    • Wavefront-guided LASIK using CustomVue platform
    • (no location specified)
    Aug 17, 2006

    Keratoconus Trial in Tehran (keratoplasty)

    Unknown status
    • Keratoconus
    • keratoplasty
    • Tehran, Iran, Islamic Republic of
      Bahram Einollhi, MD
    Jan 12, 2007

    Keratoconus Trial (Intacs)

    Terminated
    • Keratoconus
    • Intacs
    • (no location specified)
    Oct 5, 2006

    Keratoconus Trial in Singapore (Intacs intracorneal ring insertion for the treatment of keratoconus)

    Unknown status
    • Keratoconus
    • Intacs intracorneal ring insertion for the treatment of keratoconus
    • Singapore, Singapore
      Singapore National Eye Centre
    Jul 3, 2006

    Under- and Uncorrected Significant Refractive Errors Trial in Dar es Salaam (spectacles)

    Completed
    • Under- and Uncorrected Significant Refractive Errors
    • spectacles
    • Dar es Salaam, Tanzania
      Secondary Schools
    Nov 3, 2005

    Ethnicity and Refractive Error (CLEERE) Study

    Unknown status
    • Myopia
      • Eutaw, Alabama
      • +2 more
      Jun 23, 2005