CAD Test; Children's Vision; Colour Assessment; Colour Vision; Turkey
Conditions
Brief 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.
Interventions
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
Sponsors
Study design
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 \-
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Prevalence and Severity of Colour Vision Deficiency among Turkish Children | 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. |
| the usability of the Colour Assessment and Diagnosis (CAD) test in children | january 2018-march 2019 | number of children who were cooperative and carried out the full CAD test |
Countries
Turkey (Türkiye)