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Age-related Changes of Crystalline Lens Tilt and Decentration: A Swept-source Optical Coherence Tomography Study

Sponsor
Yune Zhao (Other)
Overall Status
Completed
CT.gov ID
NCT04487795
Collaborator
(none)
230
Enrollment
1
Location
1.1
Actual Duration (Months)
218.8
Patients Per Site Per Month

Study Details

Study Description

Brief Summary

230 participants at Eye Hospital of Wenzhou Medical University during June, 2019 and August, 2019 were enrolled in this study. 230 right eyes and 88 left eyes were included for the measurement. All the measurements were performed under non-mydriatic conditions in a dim examination room using the CASIA2 swept-source AS-OCT system.

Condition or Disease Intervention/Treatment Phase

    Study Design

    Study Type:
    Observational
    Actual Enrollment :
    230 participants
    Observational Model:
    Case-Only
    Time Perspective:
    Retrospective
    Official Title:
    Age-related Changes of Crystalline Lens Tilt and Decentration: A Swept-source Optical Coherence Tomography Study
    Actual Study Start Date :
    Apr 15, 2020
    Actual Primary Completion Date :
    Apr 30, 2020
    Actual Study Completion Date :
    May 17, 2020

    Arms and Interventions

    Arm Intervention/Treatment
    under 18 years old
    18-40 years old
    41-60 years old
    over 60 years old

    Outcome Measures

    Primary Outcome Measures

    1. crystalline lens tilt [2020.4.30]

      magnitude and direction of crystalline lens lilt

    2. crystalline lens decentration [2020.4.30]

      magnitude and direction of crystalline lens decentration

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    N/A and Older
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    Yes

    Inclusion Criteria：

    • healthy volunteers and patients with age-related cataract
    Exclusion Criteria:

    • aphakia or pseudophakia

    • any other ocular diseases with the exception of senile cataract

    • any history of ocular surgery

    • fixation difficulties caused by any reasons

    Contacts and Locations

    Locations

    Site City State Country Postal Code
    1 Ophthalmology and Optometry Hospital Wenzhou Zhejiang China 325027

    Sponsors and Collaborators

    • Yune Zhao

    Investigators

    None specified.

    Study Documents (Full-Text)

    None provided.

    More Information

    Publications

    None provided.
    Responsible Party:
    Yune Zhao, Vice president of Eye Hospital of Wenzhou Medical University, Wenzhou Medical University
    ClinicalTrials.gov Identifier:
    NCT04487795
    Other Study ID Numbers:
    • SSOCT-lens tilt
    First Posted:
    Jul 27, 2020
    Last Update Posted:
    Jul 27, 2020
    Last Verified:
    Jul 1, 2020
    Studies a U.S. FDA-regulated Drug Product:
    No
    Studies a U.S. FDA-regulated Device Product:
    No
    Keywords provided by Yune Zhao, Vice president of Eye Hospital of Wenzhou Medical University, Wenzhou Medical University
    crystalline lens tilt
    crystalline lens decentration
    swept-source optical coherence tomography
    Additional relevant MeSH terms:
    Cataract

    Study Results

    No Results Posted as of Jul 27, 2020