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

July 23, 2020 updated by: Yune Zhao
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.

Study Overview

Status

Completed

Conditions

Study Type

Observational

Enrollment (Actual)

230

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • China
    • Zhejiang
      • Wenzhou, Zhejiang, China, 325027
        • Ophthalmology and Optometry Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • ADULT
  • OLDER_ADULT
  • CHILD

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

Healthy volunteers and patients with age-related cataract at Eye hospital of Wenzhou Medical University

Description

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

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
under 18 years old
18-40 years old
41-60 years old
over 60 years old

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
crystalline lens tilt
Time Frame: 2020.4.30
magnitude and direction of crystalline lens lilt
2020.4.30
crystalline lens decentration
Time Frame: 2020.4.30
magnitude and direction of crystalline lens decentration
2020.4.30

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Yune Zhao

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (ACTUAL)

April 15, 2020

Primary Completion (ACTUAL)

April 30, 2020

Study Completion (ACTUAL)

May 17, 2020

Study Registration Dates

First Submitted

July 23, 2020

First Submitted That Met QC Criteria

July 23, 2020

First Posted (ACTUAL)

July 27, 2020

Study Record Updates

Last Update Posted (ACTUAL)

July 27, 2020

Last Update Submitted That Met QC Criteria

July 23, 2020

Last Verified

July 1, 2020

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • SSOCT-lens tilt

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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