An observational study in CAD Test; Children's Vision; Colour Assessment; Colour Vision; Turkey, sponsored by Medipol University. Completed at 1 site in Turkey. Open to participants aged 6 Years to 18 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2019-08-09.
Sponsored by Medipol University · Observational
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.
38 studies on the registry are indexed under Color Vision Defects; 11 are open to participants now.
This study's enrollment of 1,374 is above the median of 103 across 13 observational studies indexed under Color Vision Defects.
Browse Color Vision Defects studies →Medipol University is the lead sponsor of 311 studies on the registry; 86 are open to participants now.
Counted across the registry records on this site, refreshed daily.
A total of 1374 children, aged 6-16 years, who attended the ophthalmology department at the Istanbul Medipol University were included in the study.
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
-
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
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.
Time frame: 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
Time frame: january 2018-march 2019
Plan to share: No
No publications or documents are linked to this record.
This study is completed, as verified in Aug 2019. You cannot join it, but the record below documents what was studied.
Get an email when the registry record changes — status, dates, results — or when someone posts here.
Sign in to followQuestions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.
Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.
Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.
Medipol University