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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.
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| the Colour Assessment and Diagnosis (CAD) test | Device | 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 |
| Measure | Description | Time Frame |
|---|---|---|
| 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 |
| 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 |
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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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A total of 1374 children, aged 6-16 years, who attended the ophthalmology department at the Istanbul Medipol University were included in the study.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Istanbul Medipol University | Istanbul | Turkey (Türkiye) |
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| ID | Term |
|---|---|
| D003933 | Diagnosis |
| D003936 | Diagnosis, Computer-Assisted |
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