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posterior astigmatism

Showing 1 - 25 of 2,685

STUDY
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Cataract, Astigmatism Trial in Paris (Images of the operated eye (s))

Recruiting
  • Cataract
  • Astigmatism
  • Images of the operated eye (s)
  • Paris, Hôpital Fondation A. De Rothschild, France
    Hôpital Fondation A. de Rothschuld
Jan 24, 2022

1.8-mm Steep-axis Clear Corneal Incision on Posterior Corneal

Completed
  • Cataract
  • astigmatism
  • Hangzhou, China
    Second Affiliated Hospital, Zhejiang University School of Medici
Jun 8, 2021

Cataract, Nuclear Sclerosis, Cortical Cataract Trial in Poughkeepsie (Pseudophakic Measurement)

Completed
  • Cataract
  • +4 more
  • Pseudophakic Measurement
  • Poughkeepsie, New York
    Alterman Modi and Wolter Ophthalmic Physicians and Surgeons
Jan 5, 2022

Total Corneal Astigmatism Prevalence in Cataract Patients

Not yet recruiting
  • Cataract
  • IOLMaster 700
  • Beijing, Beijing, China
    Peking University Third Hospital
Nov 20, 2023

Astigmatism, Cataract Trial in New York (Femtosecond laser assisted cataract surgery with astigmatism management)

Not yet recruiting
  • Astigmatism
  • Cataract
  • Femtosecond laser assisted cataract surgery with astigmatism management
  • New York, New York
    Kenneth J Rosenthal, MD PC
Sep 29, 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

Cataract, Juvenile Trial in Izmir (optic capture, In-the-bag implantation of Intraocular lens)

Completed
  • Cataract, Juvenile
  • optic capture
  • In-the-bag implantation of Intraocular lens
  • Izmir, Turkey
    Ege University
Jul 13, 2022

Corneal Astigmatism, Cataract Trial (Cataract surgery with AcrySof IQ IOL implantation., Cataract surgery with TECNIS toric IOL

Not yet recruiting
  • Corneal Astigmatism
  • Cataract
  • Cataract surgery with AcrySof IQ IOL implantation.
  • Cataract surgery with TECNIS toric IOL implantation.
  • (no location specified)
Apr 17, 2022

Keratoconus Trial (Riboflavin 5'-phosphate in 20% dextran ophthalmic solution) 0.146%)

Not yet recruiting
  • Keratoconus
  • Riboflavin 5'-phosphate in 20% dextran ophthalmic solution) 0.146% with UV light
  • Riboflavin 5'-phosphate in 20% dextran ophthalmic solution) 0.146% without UV light
  • Boston, Massachusetts
    Massachusetts Eye and Ear Infirmary
Jan 12, 2023

Cataract, Presbyopia, Corneal Astigmatism Trial in Montreal (Acrysof IQ Vivity Toric Extended Vision Intraocular Lens

Recruiting
  • Cataract
  • +2 more
  • Acrysof IQ Vivity Toric Extended Vision Intraocular Lens Implantation
  • Montreal, Quebec, Canada
    Centre hospitalier de l'Université de Montréal (CHUM)
Jul 18, 2022

Cataract, Presbyopia, Astigmatism Trial in London (Intervention arm - Eyhance Toric II Intraocular Lens, Control Arm - Alcon IQ

Not yet recruiting
  • Cataract
  • +2 more
  • Intervention arm - Eyhance Toric II Intraocular Lens
  • Control Arm - Alcon IQ Toric Intraocular lens
  • London, United Kingdom
    St Thomas' Hospital
Aug 16, 2022

Surgical Treatment of Marfan Syndrome With Subluxation Lens

Active, not recruiting
  • Marfan Syndrome
  • Lens Subluxation or Dislocation
  • surgical treatment of Marfan Syndrome with subluxation lens
  • Hangzhou, China
    Second Affiliated Hospital, Zhejiang University School of Medici
Oct 11, 2022

Clareon IOL Retrospective Data Collection

Not yet recruiting
  • Aphakia
  • Astigmatism
  • Clareon UVA IOL
  • +2 more
  • Fort Worth, Texas
    Alcon Research, LLC
Mar 22, 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

Myopia, Myopic Astigmatism Trial in United States (EVO/EVO+ Visian ICL)

Active, not recruiting
  • Myopia
  • Myopic Astigmatism
  • EVO/EVO+ Visian ICL
  • Phoenix, Arizona
  • +13 more
Jul 1, 2022

Refractive Errors Trial in Pristina (ReLex Smile)

Enrolling by invitation
  • Refractive Errors
  • ReLex Smile
  • Pristina, Kosovo
    Eye Hospital Pristina
Aug 29, 2021

Myopia, Myopic Astigmatism Trial in United States (EVO ICL)

Recruiting
  • Myopia
  • Myopic Astigmatism
  • EVO ICL
  • Overland Park, Kansas
  • +6 more
Sep 15, 2022

Astigmatism High Both, Pseudophakia, Hyperopia Trial in Pristina (Toric Trifocal IOL)

Completed
  • Astigmatism High Both
  • +2 more
  • Toric Trifocal IOL
  • Pristina, Kosovo
    Eye Hospital Pristina
Aug 29, 2021

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

Pseudophakia, Myopia, Hyperopia Trial in Pristina (Relex Smile, Relex smile with fresh corneal lenticule implantation)

Enrolling by invitation
  • Pseudophakia
  • +2 more
  • Relex Smile
  • Relex smile with fresh corneal lenticule implantation
  • Pristina, Kosovo
    Eye Hospital Pristina
Jul 25, 2022

Optical Quality During the Peak of the Covid-19 Pandemic

Completed
  • Corneal Wavefront Aberration
  • SARS-CoV-2
    • Tianjin, Tianjin, China
      Tianjin Eye Hospital
    May 27, 2023

    Aphakia, Corneal Astigmatism Trial in Chiyoda-Ku (ACRYSOF IQ PanOptix Toric Trifocal IOL, Cataract surgery)

    Completed
    • Aphakia
    • Corneal Astigmatism
    • ACRYSOF IQ PanOptix Toric Trifocal IOL
    • Cataract surgery
    • Chiyoda-Ku, Tokyo, Japan
      Alcon Investigative Site
    Jul 22, 2022

    ASQELIO Toric Biaspheric Monofocal Lens.

    Not yet recruiting
    • Cataract
    • ASQELIO Toric Biaspheric Monofocal Lens
    • (no location specified)
    Oct 24, 2023

    Intraocular Lenses Manufactured by Teleon Surgical B.V.

    Enrolling by invitation
    • Aphakia
    • +3 more
    • Posterior-chamber intraocular lens
    • Spankeren, AV, Netherlands
      Teleon Surgical B.V.
    Apr 28, 2022

    Cataract, Aphakia Trial in United States (Clareon IOL, Clareon Toric IOL, Eyhance IOL)

    Not yet recruiting
    • Cataract
    • Aphakia
    • Clareon IOL
    • +4 more
    • Bloomington, Minnesota
    • +7 more
    Jul 28, 2022