Color vision deficiency (congenital &
Conditions
Interventions
Subjects include both color vision deficient or color vision normal observers.
Diagnostic
Color vision normal &
Color vision deficient observers
Sponsors
None listed
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Visual acuity good enough to view control images 2. Mental capacity to understand commands and basic shapes and respond accordingly
Exclusion criteria
Exclusion criteria: Unable to follow visual or verbal instructions.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Agreement between Delta E metric measured from application and the HRR test in detecting color vision deficiency At time of test Inter-rater reliability between the tests in detecting color vision deficiency | — |
Secondary
| Measure | Time frame |
|---|---|
| Intraobserver reliability of testing using developed application At time of test Test-retest reliability,Optimal color difference threshold cutpoint of application At time of test ROC Curve analysis for a more optimized cutpoint of the test's reported value to detect color vision deficiency | — |
Countries
Thailand
Contacts
Public ContactSwitt Kongdachalert
Department of Ophthalmology, Faculty of Medicine, Chulalongkorn University
Outcome results
None listed