NCT04048499

Prevalence and Severity of Colour Vision Deficiency Among Turkish Children

• Status: Completed
• Phase: —
• Study type: Observational
• Enrollment: 1,374 (actual)
• Sponsor: Medipol University · Academic / Other
• Sex: All
• Age: 6 Years – 18 Years
• Healthy volunteers: Accepted

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.

Conditions

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

Interventions

Type	Name	Description
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

Timeline

• Start date: 2018-01-01
• Primary completion: 2019-03-01
• Completion: 2019-03-01
• First posted: 2019-08-07
• Last updated: 2019-08-09

Locations

1 site across 1 country: Turkey (Türkiye)