Prevalence and Severity of Colour Vision Deficiency Among Turkish Children

CAD Test; Children's Vision; Colour Assessment; Colour Vision; Turkey Clinical Trial

Official title:

Prevalence and Severity of Colour Vision Deficiency Among Turkish Children

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT04048499
• Other study ID #: 425
• Status: Completed
• Start date: January 1, 2018
• Est. completion date: March 1, 2019

Study information

• Verified date: August 2019
• Source: Medipol University
• Contact: n/a
• Is FDA regulated: No
• Study type: Observational

Clinical Trial Summary

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.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 1374
• Est. completion date: March 1, 2019
• Est. primary completion date: March 1, 2019
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: 6 Years to 18 Years

Eligibility

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

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Related Conditions & MeSH terms

• CAD Test; Children's Vision; Colour Assessment; Colour Vision; Turkey
• Color Vision Defects

Intervention

Device:
• the Colour Assessment and Diagnosis (CAD) test
The CAD test (City Occupational Ltd, London, UK) measures the severity of red-green and yellow-blue colour vision loss according to red-green and yellow-blue thresholds which are expressed in CAD units and diagnoses accurately the subject's class of colour vision

Locations

Country	Name	City	State
Turkey	Istanbul Medipol University	Istanbul

Sponsors (1)

Lead Sponsor	Collaborator
Medipol University

Country where clinical trial is conducted

Turkey, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Prevalence and Severity of Colour Vision Deficiency among Turkish Children	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
Primary	the usability of the Colour Assessment and Diagnosis (CAD) test in children	number of children who were cooperative and carried out the full CAD test	january 2018-march 2019