Dongguan Eye Study of Schoolchildren and Adolescents（DESSA）

April 13, 2019 updated by: Xiulan Zhang, Sun Yat-sen University

A Study on Ocular Biometry Measurement of Schoolchildren and Adolescents in China

This is a study to report the change of ocular biometry of schoolchildren and adolescents as well as its association with birth parameters in China.

Study Overview

Status

Withdrawn

Conditions

Study Type

Observational

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
    • Guangdong
      • Guangzhou, Guangdong, China, 510060
        • Zhongshan Ophthalmic Center

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

7 years to 18 years (Child, Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Schoolchildren and adolescents ranging from 7 to 18 years old in Dongguan.

Description

Inclusion Criteria:

  • Schoolchildren and adolescents aged 7 to18 years in Dongguan
  • Parents are willing to sign the informed written consent.

Exclusion Criteria:

  • Those without informed written consent or unable to obey the study procedures

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

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Changes of ocular fundus parameter in schoolchildren and adolescents
Time Frame: 3 years
Record the change of retinal thickness during the follow-up periods.
3 years

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Changes of ocular biometry measurement in schoolchildren and adolescents
Time Frame: 3 years
Record the change of choroidal thickness during the follow-up periods.
3 years
Changes of ocular anterior segment in schoolchildren and adolescents
Time Frame: 3 years
Record the change of corneal thickness during the follow-up periods.
3 years

Collaborators and Investigators

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

Sponsor

Sun Yat-sen University

Investigators

  • Principal Investigator: Xiulan Zhang, MD,PhD, Zhongshan Ophthalmic Center, Sun Yat-sen University

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 (Anticipated)

January 1, 2019

Primary Completion (Anticipated)

April 1, 2021

Study Completion (Anticipated)

April 1, 2021

Study Registration Dates

First Submitted

January 17, 2018

First Submitted That Met QC Criteria

January 23, 2018

First Posted (Actual)

January 24, 2018

Study Record Updates

Last Update Posted (Actual)

April 16, 2019

Last Update Submitted That Met QC Criteria

April 13, 2019

Last Verified

April 1, 2019

More Information

Terms related to this study

Other Study ID Numbers

  • 2017KYPJ119

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

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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