Prevalence and Severity of Colour Vision Deficiency Among Turkish Children

August 7, 2019 updated by: Funda Dikkaya, Medipol University
To evaluate the usability of the Colour Assessment and Diagnosis (CAD) test in children. To determine the prevalence of colour vision deficiency (CVD) among Turkish children, to identify the class of deficiency and to quanify severity of loss.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Observational

Enrollment (Actual)

1374

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

  • Turkey
      • Istanbul, Turkey
        • İstanbul Medipol University

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

2 years to 14 years (Child, Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

A total of 1374 children, aged 6-16 years, who attended the ophthalmology department at the Istanbul Medipol University were included in the study.

Description

Inclusion Criteria: children with aged 6-16 years, who attended the ophthalmology department at the Istanbul Medipol University -

Exclusion Criteria:Children with known or current evidence of ocular pathology (other than refractive errors), with history of long term use of medication, previous ocular surgery and those with chronic systemic diseases were excluded from the study

-

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

  • Observational Models: Other
  • Time Perspectives: Prospective

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Prevalence and Severity of Colour Vision Deficiency among Turkish Children
Time Frame: january 2018-march 2019
number of children with colour vision deficiency (CVD) among Turkish children who attend to the clinic in a period o time, number of children in each class of deficiency (protan, deutan) and number of children in each category according to severity.
january 2018-march 2019
the usability of the Colour Assessment and Diagnosis (CAD) test in children
Time Frame: january 2018-march 2019
number of children who were cooperative and carried out the full CAD test
january 2018-march 2019

Collaborators and Investigators

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

Sponsor

Medipol 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 (Actual)

January 1, 2018

Primary Completion (Actual)

March 1, 2019

Study Completion (Actual)

March 1, 2019

Study Registration Dates

First Submitted

August 6, 2019

First Submitted That Met QC Criteria

August 6, 2019

First Posted (Actual)

August 7, 2019

Study Record Updates

Last Update Posted (Actual)

August 9, 2019

Last Update Submitted That Met QC Criteria

August 7, 2019

Last Verified

August 1, 2019

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 425

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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