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Refractive Errors

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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

Accomodation, Refractive Errors, Myopia Trial (1% atropine)

Recruiting
  • Accomodation
  • +3 more
  • 1% atropine
  • Shanghai, Shanghai, China
    Shanghai Eye Diseases Prevention & Treatment Center
Jan 1, 2023

Cataract, Glaucoma, Age Related Macular Degeneration Trial in Bharatpur (Community-based screening program, Cataract camp

Completed
  • Cataract
  • +4 more
  • Community-based screening program
  • +2 more
  • Bharatpur, Chitwan, Nepal
    Bharatpur Eye Hospital
Dec 15, 2022

Refractive Errors Trial (Multifocal D +2.50 add & 0.01% atropine)

Completed
Has Results
  • Refractive Errors
  • Multifocal D +2.50 add & 0.01% atropine
  • (no location specified)
Nov 14, 2022

Environmental Factors for Myopia Among Chinese School-aged

Recruiting
  • Myopia
  • Refractive Errors
    • Tianjin, Tianjin, China
      Tianjin Eye Hospital
    Nov 26, 2022

    Refractive Errors Trial in Hyderabad (Free near and Distance Vision glasses)

    Not yet recruiting
    • Refractive Errors
    • Free near and Distance Vision glasses
    • Hyderabad, Telangana, India
      L V Prasad Eye Institute
    Nov 8, 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

    Myopia, Refractive Errors, Eye Diseases Trial in Shanghai (RLRL)

    Not yet recruiting
    • Myopia
    • +3 more
    • RLRL
    • Shanghai, Shanghai, China
      Shanghai Eye Disease Prevention and Treatment Center
    Oct 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

    Presbyopia, Refractive Errors, Eye Diseases Trial in United States (Aceclidine+Brimonidine combination ophthalmic solution,

    Completed
    • Presbyopia
    • +2 more
    • Aceclidine+Brimonidine combination ophthalmic solution
    • +2 more
    • Glendale, California
    • +4 more
    Oct 18, 2022

    High Myopia, Refractive Errors, Eye Diseases Trial in Shanghai (RLRL)

    Not yet recruiting
    • High Myopia
    • +2 more
    • RLRL
    • Shanghai, Shanghai, China
      Shanghai Eye Disease Prevention and Treatment Center
    Oct 17, 2022

    Retinal Detachment, Refractive Errors Trial in Banha (Vitrectomy)

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

    Refractive Errors Trial in United States (Serafilcon A contact lenses, Senofilcon A contact lenses, CLEAR CARE)

    Active, not recruiting
    • Refractive Errors
    • Serafilcon A contact lenses
    • +2 more
    • Maitland, Florida
    • +4 more
    Aug 15, 2022

    Presbyopia, Refractive Errors, Cataract Trial in Alexandroupolis (bUDVA, bUIRA, bUNRA, bUICPS, bUNCPS, Contrast sensitivity)

    Recruiting
    • Presbyopia
    • +2 more
    • bUDVA, bUIRA, bUNRA, bUICPS, bUNCPS
    • Contrast sensitivity
    • Alexandroupolis, Evros, Greece
      Department of Ophthalmology, University Hospital of Alexandroupo
    Aug 6, 2022

    Presbyopia, Refractive Errors, Eye Diseases Trial in United States (Aceclidine+Brimonidine combination ophthalmic solution,

    Recruiting
    • Presbyopia
    • +4 more
    • Aceclidine+Brimonidine combination ophthalmic solution
    • +2 more
    • Glendale, California
    • +3 more
    Aug 3, 2022

    Refractive Errors Trial in Manchester (Lehfilcon A contact lenses, Senofilcon A contact lenses, AOSEPT PLUS with HydraGlyde)

    Completed
    • Refractive Errors
    • Lehfilcon A contact lenses
    • +2 more
    • Manchester, United Kingdom
      Alcon Investigator 8137
    Jul 20, 2022

    Refractive Errors, Astigmatism Trial in United States (Lehfilcon A toric contact lenses, Comfilcon A toric contact lenses, CLEAR

    Completed
    • Refractive Errors
    • Astigmatism
    • Lehfilcon A toric contact lenses
    • +2 more
    • Longwood, Florida
    • +6 more
    Jul 7, 2022

    Rapid Computerized Visual Acuity Test

    Recruiting
    • Vision Disorders
    • +4 more
    • Computerized visual acuity assessment program
    • Haifa, Israel
      Department of Ophthalmology at Rambam Health Care Campus
    Jul 3, 2022

    Refractive Errors Trial in United States (Verofilcon A contact lenses, Somofilcon A contact lenses)

    Completed
    Has Results
    • Refractive Errors
    • Verofilcon A contact lenses
    • Somofilcon A contact lenses
    • San Francisco, California
    • +7 more
    Jun 9, 2022

    Refractive Errors Trial in Maitland (LID018869+RepleniSH, LID018869+Biotrue, Biofinity+RepleniSH)

    Completed
    Has Results
    • Refractive Errors
    • LID018869+RepleniSH
    • +3 more
    • Maitland, Florida
      Alcon Investigator 6565
    May 3, 2022

    Down Syndrome, Refractive Errors Trial in Columbus, Houston (Dilated Refraction, Non-Dilated Refraction)

    Recruiting
    • Down Syndrome
    • Refractive Errors
    • Dilated Refraction
    • Non-Dilated Refraction
    • Columbus, Ohio
    • +1 more
    May 10, 2022

    Refractive Errors, Ametropia Trial in United States (Lehfilcon A contact lenses, Senofilcon A contact lenses, Comfilcon A

    Completed
    Has Results
    • Refractive Errors
    • Ametropia
    • Lehfilcon A contact lenses
    • +3 more
    • Longwood, Florida
    • +3 more
    Apr 5, 2022

    After Contoura® Refractive Surgery Planned Using Phorcides

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

    Correction of Anisometropic Amblyopia in Children.

    Recruiting
    • Amblyopia
    • +3 more
    • Axial length measurement in millimeter (mm) by optical biometry device
    • Autorefractometer to measure the refractive error in both eyes.
    • Banhā, Benha, Egypt
      Ahmed Abdelshafy Tabl
    Apr 5, 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