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refractive error

Showing 51 - 75 of 1,593
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Refractive Error, Myopia Trial in Manchester (spectacles, narafilcon A soft contact lenses)

Completed
Has Results
  • Refractive Error
  • Myopia
  • spectacles
  • narafilcon A soft contact lenses
  • Manchester, Greater Manchester, United Kingdom
    Eurolens Research, The University of Manchester
Dec 3, 2019

Cataract Trial in Austria, Germany, Netherlands (remote monitoring after cataract surgery)

Recruiting
  • Cataract
  • remote monitoring after cataract surgery
  • Vienna, Austria
  • +5 more
Aug 16, 2022

Hyperopia, Long Sight Trial in Harare (Spectacles)

Recruiting
  • Hyperopia
  • Long Sight
  • Spectacles
  • Harare, Zimbabwe
    The University of Zimbabwe, Faculty of Medicine and Healthcare S
Sep 9, 2022

Myopia Trial in Houston (Single vision contact lens, Multifocal contact lens)

Recruiting
  • Myopia
  • Single vision contact lens
  • Multifocal contact lens
  • Houston, Texas
    University of Houston
Mar 7, 2022

ARF in Children Aged <3 Years in Flanders

Active, not recruiting
  • Amblyopia
    • Leuven, Belgium
      UZ Leuven
    Nov 3, 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

    The Long-term Outcome After Toric Intraocular Lens Implantation

    Not yet recruiting
    • Corneal Astigmatism
    • Cataract
    • subjective refraction
    • (no location specified)
    Jul 16, 2022

    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

    Cataract; Surgery; Phacoemulsification; Biometry; Intraocular Lens Power Trial in Rawalpindi (Biometry with Kane formula,

    Completed
    • Cataract; Surgery; Phacoemulsification; Biometry; Intraocular Lens Power
    • Biometry with Kane formula
    • Biometry with SRK-T formula
    • Rawalpindi, Punjab, Pakistan
      Fauji Foundation Hospital
    Oct 31, 2022

    Myopia, High Myopia Trial in Tianjin (Home training, School training)

    Recruiting
    • Myopia
    • High Myopia
    • Home training
    • School training
    • Tianjin, Tianjin, China
      Tiajin Eye Hospital
    Jan 11, 2023

    Refractive Error Correction Trial in Memphis (Test/Control, Control/Test)

    Terminated
    Has Results
    • Refractive Error Correction
    • Test/Control
    • Control/Test
    • Memphis, Tennessee
      Total Eye Care, PA
    Aug 13, 2019

    Myopia Trial in Guangzhou (New defocus spectacle lenses, Convenional aspheric single-vision spectacle lenses)

    Not yet recruiting
    • Myopia
    • New defocus spectacle lenses
    • Convenional aspheric single-vision spectacle lenses
    • Guangzhou, Guangdong, China
      Zhongshan Ophthalmic Center, Sun Yat-sen University
    Feb 13, 2023

    Anisometropia, Hyperopia, High Myopia Trial in Houston (Photorefractive keratectomy)

    Active, not recruiting
    • Anisometropia
    • +5 more
    • Photorefractive keratectomy
    • Houston, Texas
      Texas Children's Hospital
    Jan 19, 2022

    Moderate Hyperopia Trial in Assiut (Single-step transepithelial PRK)

    Completed
    • Moderate Hyperopia
    • Single-step transepithelial PRK
    • Assiut, Egypt
      TIBA eye center
    Jul 8, 2022

    Argos in Conjunction With Alcon Vision Suite Following

    Recruiting
    • Cataract
    • Clareon PanOptix and AcrySof Vivity IOL implantation Alcon Vision Suite and Argos biometer
    • Abbotsford, British Columbia, Canada
      Valley Laser Eye Centre
    Jun 2, 2023

    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 Error Trial in London (Lotrafilcon B contact lenses, Senofilcon C contact lenses)

    Completed
    Has Results
    • Refractive Error
    • Lotrafilcon B contact lenses
    • Senofilcon C contact lenses
    • London, United Kingdom
      Alcon Investigative Site
    May 23, 2019

    Myopia Trial in Shenyang (0.01% atropine, 0.9% sodium chloride)

    Not yet recruiting
    • Myopia
    • 0.01% atropine
    • 0.9% sodium chloride
    • Shenyang, Liaoning, China
      He Eye Hospital
    Sep 10, 2023

    Myopia, Progressive Trial in Tianjin (Single vision lens, +2D PDL, +3D PDL)

    Active, not recruiting
    • Myopia, Progressive
    • Single vision lens
    • +3 more
    • Tianjin, China
      Tianjin Eye Hospital
    May 9, 2022

    Refractive Errors Trial (Mobile medical application to self administer a subjective refraction test, Standard of care refraction

    Not yet recruiting
    • Refractive Errors
    • Mobile medical application to self administer a subjective refraction test
    • Standard of care refraction test
    • (no location specified)
    Sep 15, 2021

    650nm Low-intensity Single-wavelength Red Light for Children and

    Not yet recruiting
    • Myopia
    • 650 nm low-level red-light
    • (no location specified)
    Apr 15, 2023

    Myopia Trial in Beijing (650 nm low-level red-light)

    Not yet recruiting
    • Myopia
    • 650 nm low-level red-light
    • Beijing, Beijing, China
      Beijing Tongren Hospital
    Mar 24, 2023

    Intraocular Pressure, Delivery Trial in Praha (SENSIMED Triggerfish Eye Lenses)

    Recruiting
    • Intraocular Pressure
    • Delivery
    • SENSIMED Triggerfish Eye Lenses
    • Praha, Czechia
      Faculty Hospital Kralovske Vinohrady
    Aug 23, 2023

    Comparison of Two Different Pupillometer

    Not yet recruiting
    • Measurement of Pupil Diameter
    • 2WIN
    • OPD
    • Shenyang, Liaoning, China
      He Eye Hospital
    Feb 12, 2023

    Cataract, Refractive Lens Exchange Trial in Alicante (HECATE)

    Recruiting
    • Cataract
    • Refractive Lens Exchange
    • HECATE
    • Alicante, Spain
      Dr. Pedro Tañá Rivero
    Nov 1, 2023