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corneal curvature

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Eye Axis Length and Corneal Curvature in Central China

Not yet recruiting
  • Birth Year-dependent Eye Parameters Change
  • Birth year
  • (no location specified)
Nov 6, 2023

Pentacam Study of the Cornea in RA Patients

Enrolling by invitation
  • RA - Rheumatoid Arthritis
  • Pentacam
  • Minya, Egypt
  • +1 more
Feb 14, 2022

Keratoconus, Corneal Ectasia Trial in Teaneck (riboflavin ophthalmic solution)

Recruiting
  • Keratoconus
  • Corneal Ectasia
  • riboflavin ophthalmic solution
  • Teaneck, New Jersey
    Cornea and Laser Eye Institute, Hersh Vision Group
Sep 15, 2021

Agreement and Accuracy of Different Devices Corneal Measurements

Completed
  • Keratoconus
  • Pentacam® (Oculus, Inc., Wetzlar, Germany)
  • +2 more
  • Vienna, Austria
    Medical University of Vienna, Department of Ophthalmology
Mar 2, 2021

Parameters in or Without Microcornea Within Less Than One Year

Completed
  • Microcornea Within One Year of Age
  • Collect ocular biological parameters including age, corneal diameter, eye axis, intraocular pressure, steep&flat axis of corneal curvature, corneal thickness, lens thickness, anterior chamber depth
  • Hangzhou, Zhejiang, China
    Wenzhou Medical University
Apr 15, 2021

Myopia Trial in Kowloon (Corneal reshaping therapy)

Completed
Has Results
  • Myopia
  • Corneal reshaping therapy
  • Kowloon, Hong Kong
    The Hong Kong Polytechnic University
Mar 30, 2020

Novel Optical Coherence Tomography Based Index in Diagnosing

Recruiting
  • Scansys, Pentacam, Keratoconus, Subclinical Keratoconus
  • Pentacam, Corvis ST and CASIA2
  • Tianjin, Tianjin, China
    Tiajin Eye Hospital
Nov 21, 2023

Corneal Topography Trial (corneal topography)

Not yet recruiting
  • Corneal Topography
  • corneal topography
  • (no location specified)
Apr 2, 2023

Glaucoma, Open-Angle, Glaucoma, Angle-Closure, Glaucoma Secondary Trial in Montreal (Corneal topography: OPD-Scan, Corneal

Recruiting
  • Glaucoma, Open-Angle
  • +3 more
  • Corneal topography: OPD-Scan
  • Corneal topography: Pentacam
  • Montreal, Quebec, Canada
    Centre Hospitalier de l'Université de Montréal (CHUM)
May 30, 2022

Refractive Errors, Myopic Astigmatism Trial in Cairo (Small Incision Lenticule Extraction (SMILE))

Recruiting
  • Refractive Errors
  • Myopic Astigmatism
  • Small Incision Lenticule Extraction (SMILE)
  • Cairo, Egypt
    Al Watany Eye Hospital
Sep 25, 2023

Myopia Trial in Columbus (Corneal Refractive Therapy-spherical, Corneal Refractive Therapy-aspherical)

Completed
  • Myopia
  • Corneal Refractive Therapy-spherical
  • Corneal Refractive Therapy-aspherical
  • Columbus, Ohio
    The Ohio State University College of Optometry
Jul 27, 2022

Track Longitudinal Clinical Outcomes of Corneal Surgery and

Recruiting
  • Corneal Disease
  • +3 more
  • Optical Coherence Tomography
  • Baltimore, Maryland
    Keratoplasty Alliance International
Oct 23, 2023

Keratoconus Trial in New Delhi, Tehran (LinkCor Bioengineered Corneal Implant)

Recruiting
  • Keratoconus
  • LinkCor Bioengineered Corneal Implant
  • New Delhi, India
  • +1 more
Jun 1, 2022

Corneal Thinning, Keratoconus Trial in Pittsburgh (Pulsed or continuous lighting)

Not yet recruiting
  • Corneal Thinning
  • Keratoconus
  • Pulsed or continuous lighting
  • Pittsburgh, Pennsylvania
    UPMC Eye Center
Aug 3, 2022

Corneal Endothelial Cell Loss, Cataract, Astigmatism Trial in Montréal (Femtosecond laser assisted cataract surgery with Active

Recruiting
  • Corneal Endothelial Cell Loss
  • +2 more
  • Femtosecond laser assisted cataract surgery with Active Sentry handpiece
  • +2 more
  • Montréal, Quebec, Canada
    Centre Hospitalier de l'Université de Montréal
Jan 18, 2023

Keratoconus, Corneal Ectasia Trial in Teaneck (Riboflavin)

Recruiting
  • Keratoconus
  • Corneal Ectasia
  • Teaneck, New Jersey
    Cornea and Laser Eye Institue - Hersh Vision Group
Aug 23, 2021

Keratoconus, Corneal Ectasia Trial in Teaneck (Riboflavin)

Active, not recruiting
  • Keratoconus
  • Corneal Ectasia
  • Teaneck, New Jersey
    Cornea and Laser Eye Institute
Mar 7, 2022

Cataract Trial in Chennai (EYESTAR 900, LENSTAR LS 900)

Not yet recruiting
  • Cataract
  • EYESTAR 900
  • LENSTAR LS 900
  • Chennai, Tamil Nadu, India
    Aravind Eye Hospitals
Jun 22, 2022

Antioxidant Activity on Postoperative Inflammation in Patients

Recruiting
  • Cataract
  • Myopia
  • Cataract surgery, Femtosecond-LASIK, SMILE
  • Taoyuan, Taoyuan City, Taiwan
  • +1 more
Jun 6, 2023

Cataract Trial in Guangzhou (pressure by a cotton swab, stromal hydration with the balanced salt solution(BSS))

Recruiting
  • Cataract
  • pressure by a cotton swab
  • stromal hydration with the balanced salt solution（BSS）
  • Guangzhou, Guangdong, China
    Zhongshan Ophthalmic Center
Mar 7, 2022

Corneal Biomechanical Analysis Using Brillouin Microscopy

Enrolling by invitation
  • Keratoconus
  • +2 more
  • Brillouin microscopy
  • Cleveland, Ohio
    Cleveland Clinic Cole Eye Institute
Jan 24, 2023

Corneal Ectasia Trial (riboflavin: 0.12% riboflavin ophthalmic solution with the KXL system, : 0.0% riboflavin ophthalmic

Withdrawn
  • Corneal Ectasia
  • riboflavin: 0.12% riboflavin ophthalmic solution with the KXL system
  • placebo: 0.0% riboflavin ophthalmic solution with the KXL system
  • (no location specified)
Apr 22, 2021

Refractive Surgery on OCT Measurements in the Eye

Not yet recruiting
  • Optical Coherence Tomography
  • +2 more
  • Optical coherence tomography
  • Omaha, Nebraska
    University of Nebraska Medical Centre
May 9, 2023

Keratoconus Trial in United States (riboflavin solution, solution, KXL System)

Completed
  • Keratoconus
  • riboflavin solution
  • +2 more
  • Irvine, California
  • +9 more
Apr 22, 2021

Keratoconus Trial in United States (riboflavin solution, solution, KXL System)

Completed
  • Keratoconus
  • riboflavin solution
  • +2 more
  • San Diego, California
  • +7 more
Apr 22, 2021