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Spectacle correction

Showing 1 - 25 of 1,715
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Refractive Errors Trial in Freetown (Eyeglasses, Prescription slip)

Not yet recruiting
  • Refractive Errors
  • Eyeglasses
  • Prescription slip
  • Freetown, Sierra Leone
    Innovations for Poverty Action (IPA)
Sep 29, 2023

Orthokeratology on Myopia Progression in French Children

Completed
  • Myopia Progression
  • orthokeratology
  • single-vision spectacle correction
  • Nancy, France
    Jean-Baptiste CONART
Jan 17, 2023

Amblyopia Trial in Hong Kong (Spectacles)

Recruiting
  • Amblyopia
  • Spectacles
  • Hong Kong, Guangdong, Hong Kong
    Centre for Eye and Vision Research Limited
Jul 18, 2022

Astigmatism Trial in Manchester (Soft Toric Custom Made Contact lens, Soft Spherical Contact Lenses, Spectacle Correction)

Active, not recruiting
  • Astigmatism
  • Soft Toric Custom Made Contact lens
  • +2 more
  • Manchester, United Kingdom
    Eurolens Research
May 4, 2022

Myopia, Progressive Trial in Shanghai (Double Helix Design Defocus Lens Spectacle (RACE), single-vision spetacle lens)

Recruiting
  • Myopia, Progressive
  • Double Helix Design Defocus Lens Spectacle (RACE)
  • single-vision spetacle lens
  • Shanghai, Shanghai, China
    Xiangui He
May 30, 2023

Presbyopia Trial in Bengaluru (Spectacles)

Recruiting
  • Presbyopia
  • Spectacles
  • Bengaluru, Karantaka, India
    Good Business Lab
May 25, 2022

Presbyopia Trial in Bengaluru (Spectacles)

Recruiting
  • Presbyopia
  • Spectacles
  • Bengaluru, Karnataka, India
    Good Business Lab
May 25, 2022

Myopia Trial in Manchester (somofilcon A Daily Disposable Contact Lens, Single Vision Spectacle for Vision Correction, Personal

Completed
Has Results
  • Myopia
  • somofilcon A Daily Disposable Contact Lens
  • +2 more
  • Manchester, United Kingdom
    Eurolens Research
Sep 22, 2021

Binocular Dysfunction, Vertical Heterophoria, Vision, Binocular Trial in Birmingham (Lenses containing prismatic correction,

Terminated
  • Binocular Dysfunction
  • +3 more
  • Lenses containing prismatic correction
  • Lenses not containing prismatic correction
  • Birmingham, Michigan
    Vision Specialists of Birmingham
Oct 7, 2020

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

Visual Acuity in Pre-school Students

Not yet recruiting
  • Visual Acuity
  • +3 more
  • Diagnostic Test: Distance Visual Acuity Examination
  • Alexandroupolis, Evros, Greece
    Democritus University of Thrace
Apr 18, 2023

Amblyopia Trial in Canada, United States (iPad®, Spectacle correction)

Completed
Has Results
  • Amblyopia
  • iPad®
  • Spectacle correction
  • Birmingham, Alabama
  • +61 more
Jun 10, 2021

Children Under Myopia Control Treatment (Pilot Study)

Completed
  • Accomodation
  • +2 more
  • Auditory biofeedback traing
  • Long Beach, New York
    State University of New York, College of Optometry
Jan 1, 2023

Eye Change Trial in Sohag (Using Oculus Pentacam® which is s a rotating Scheimpflug camera. The rotational measuring procedure

Recruiting
  • Eye Change
  • Using Oculus Pentacam® which is s a rotating Scheimpflug camera. The rotational measuring procedure generates Scheimpflug images in three dimensions.
  • Sohag, Egypt
    Facultyof medicine
Nov 18, 2022

Visual Function and Patient Satisfaction in Glaucoma or Ocular

Enrolling by invitation
  • Lenses, Intraocular
  • Glaucoma Filtration Implants
  • I-Stent implantation
  • Madrid, Spain
    Clínica Rementería
Jul 19, 2022

Myopia-Night Blindness Trial in Augsburg, Klingenberg am Main, Jena (Spectacle/Glasses)

Completed
Has Results
  • Myopia-Night Blindness
  • Spectacle/Glasses
  • Augsburg, Bavaria, Germany
  • +2 more
Oct 16, 2018

Myopia Trial in Thessaloníki (Single-Vision Spectacles)

Completed
  • Myopia
  • Single-Vision Spectacles
  • Thessaloníki, Greece
    "Papageorgiou" General Hospital
Dec 7, 2021

Myopia, Progressive Trial (CBT-009, Vehicle, Atropine Sulfate)

Completed
  • Myopia, Progressive
  • Brisbane, Australia
    USC
Jan 25, 2023

Myopia Trial in Hong Kong (Blue-light filtering spectacle lenses)

Completed
  • Myopia
  • Blue-light filtering spectacle lenses
  • Hong Kong, Hong Kong
    Centre of Myopia Research, School of Optometry, The Hong Kong Po
Jan 12, 2022

Cataract Senile, Presbyopia Trial in karlovy Vary (intraocular lens - RayOne EMV (Rayner Surgical GmbH,Berlin, Deutschland))

Recruiting
  • Cataract Senile
  • Presbyopia
  • intraocular lens - RayOne EMV (Rayner Surgical GmbH,Berlin, Deutschland)
  • karlovy Vary, Czechia
    Somich
Jun 9, 2022

Novel Extended Depth of Focus Intraocular Lens on Visual and

Active, not recruiting
  • Cataract
  • +2 more
  • Vivity Extended Depth of Focus Intraocular Lens
  • Babylon, New York
    SightMD
Jan 31, 2023

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

Astigmatism Bilateral, Eyeglasses Trial in Tucson (Spectacle wear support, Spectacles)

Recruiting
  • Astigmatism Bilateral
  • Eyeglasses
  • Spectacle wear support
  • Spectacles
  • Tucson, Arizona
    The University of Arizona
Mar 28, 2022

High-risk Corneal Transplantation, Corneal Blindess, Corneal Inflammation Trial (CLP-PEG-MPC, Human donor cornea penetrating

Withdrawn
  • High-risk Corneal Transplantation
  • +3 more
  • CLP-PEG-MPC
  • Human donor cornea penetrating keratoplasty
  • (no location specified)
Dec 19, 2022

Cataract Senile, Astigmatism Trial in Lucerne (Marking of the intended axis of IOL-Implantation manually with an ink and marking

Not yet recruiting
  • Cataract Senile
  • Astigmatism
  • Marking of the intended axis of IOL-Implantation manually with an ink and marking device on the surface of the eye
  • Lucerne, Switzerland
    Eye Clinic, Cantonal Hospital of Lucerne
Mar 3, 2023