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Visual disturbances

Showing 1 - 25 of 8,775
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Preeclampsia, Aquaporin, Fatty Acid, and S110B

Completed
  • Preeclampsia
  • Women w/ Preeclampsia w/o Visual Disturbances or Headache
  • +2 more
  • Birmingham, Alabama
    University of Alabama at Birmingham
Jan 19, 2022

Visual Disturbances and Blindness, Visual Acuity Reduced Transiently Trial in Valladolid (Implantation of trifocal diffractive

Completed
  • Visual Disturbances and Blindness
  • Visual Acuity Reduced Transiently
  • Implantation of trifocal diffractive intraocular lenses
  • Valladolid, Spain
    Faculty of Medicine, University of Valladolid
Jul 31, 2021

PanOptix and Angle Kappa

Active, not recruiting
  • Pseudophakia
  • Angle Kappa
  • Visual disturbance questionnaire.
  • Mount Pleasant, South Carolina
    Carolina Eyecare Physicians, LLC
Mar 2, 2021

Stroke, Oculomotor; Disorder, Attention Disturbances Trial in Moscow (Training on eye tracker based device, Training with a

Recruiting
  • Stroke
  • +2 more
  • Training on eye tracker based device
  • +2 more
  • Moscow, Russian Federation
    Federal Center of Brain Research and Neurotechnologies of the Fe
Mar 24, 2022

The PanOptix Trifocal IOL: A Study of Patient Satisfaction,

Completed
  • Cataract Surgery
  • Alcon PanOptix or PanOptix Toric IOL
  • Laguna Hills, California
  • +2 more
Jul 28, 2020

Patient Satisfaction After Bilateral Implantation of

Not yet recruiting
  • Cataract
  • Clareon Vivity extended depth of focus (EDOF) intraocular lens
  • Terrace, British Columbia, Canada
    Vision North Eye Centre
Aug 10, 2022

Prolonged Pregnancy, Sleep Disturbance, Depression Trial in Turku (Intervention for outpatient group was to go home,

Completed
  • Prolonged Pregnancy
  • +2 more
  • Intervention for outpatient group was to go home
  • Intervention for inpatient group was to stay at ward
  • Turku, Finland
    Turku University Hospital
Jun 7, 2020

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

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

Pseudophakia Trial in Houston (Visual Acuity, Defocus Curve, Intraocular Lens Satisfaction (IOLSAT) Questionnaire)

Recruiting
  • Pseudophakia
  • Visual Acuity
  • +5 more
  • Houston, Texas
    Berkeley Eye Center
Sep 26, 2023

Patient Satisfaction With Bilateral PanOptix Verses Bilateral

Recruiting
  • Pseudophakia
  • Visual Acuity
  • +3 more
  • Houston, Texas
    Berkeley Eye Center
Sep 19, 2023

A Predictive Score for Ischemic Etiology ofTransient Visual

Completed
  • Vision Disorders
  • Clinical, ophthalmological and neurological evaluation
  • Paris, France
  • +1 more
Mar 22, 2019

Vivity IOL in Post-myopic LASIK and PRK Patients

Not yet recruiting
  • Cataract
  • Vivity IOL
  • New York, New York
  • +1 more
Jul 17, 2023

OCT and mFERG Findings With VA After Vitrectomy Surgery for

Completed
  • Retinal Detachment
  • optical coherence tomography,multifocal electroretinogram. VA measurment
  • Sohag, Egypt
    New Vally University
Aug 16, 2023

Dim Light Vision Disturbances Trial in United States (Phentolamine Ophthalmic Solution 0.75%, Phentolamine Ophthalmic Solution

Completed
  • Dim Light Vision Disturbances
  • Phentolamine Ophthalmic Solution 0.75%
  • Phentolamine Ophthalmic Solution Vehicle (Placebo)
  • Newport Beach, California
  • +16 more
May 20, 2022

Cataract Trial

Not yet recruiting
  • Cataract
    • (no location specified)
    Aug 22, 2022

    Cataract, Presbyopia Trial in Hershey (Extended Vision IOL, Neutral Aspheric Monofocal IOL)

    Completed
    • Cataract
    • Presbyopia
    • Extended Vision IOL
    • Neutral Aspheric Monofocal IOL
    • Hershey, Pennsylvania
      Penn State Hershey Medical Center Eye Center
    Jan 14, 2023

    Cerebral Hyperperfusion Syndrome After Carotid Revascularization

    Not yet recruiting
    • Carotid Artery Diseases
    • +3 more
    • Carotid revascularization
    • Minsk, Belarus
      State Institution "Republican Scientific and Practical Center "C
    Apr 6, 2023

    After Implantation With Two Different Multifocal Toric IOL:

    Enrolling by invitation
    • Cataract
      • Veszprém, Hungary
        Retinaszervíz
      May 31, 2023

      IC-8 Apthera IOL New Enrollment Post Approval Study

      Recruiting
      • Cataract
      • +2 more
        • Dothan, Alabama
        • +10 more
        Sep 23, 2023

        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

        Forward Head Posture Trial in Merkez (To assess telephone head tilt and cervical, thoracic, and lumbar spine mobility and

        Recruiting
        • Forward Head Posture
        • To assess telephone head tilt and cervical, thoracic, and lumbar spine mobility and disturbances.
        • Merkez, Tokat, Turkey
          Tokat Gaziosmanpasa University
        Apr 13, 2023

        Cataract Trial in United States (AcrySof® IQ PanOptix®, Synergy®, Cataract Surgery)

        Recruiting
        • Cataract
        • AcrySof® IQ PanOptix®
        • +2 more
        • Panama City, Florida
        • +4 more
        Jan 10, 2022

        Hyperperfusion After Carotid Stenting by Multi-parameter

        Enrolling by invitation
        • Cerebral Artery Stenosis
        • +2 more
        • carotid artery stenting
        • Beijing, Beijing, China
          Department of Vascular Ultrasonography, Xuanwu Hospital of Capit
        Sep 21, 2023

        Cataract Trial in Sebring (Vivity Extended Depth of Focus intraocular lens (IOL))

        Completed
        Has Results
        • Cataract
        • Vivity Extended Depth of Focus intraocular lens (IOL)
        • Sebring, Florida
          Newsom Eye and Laser Center
        Feb 9, 2022