Color vision deficiency (CVD)
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Individuals who have already been tested by the Organisation for their own color vision characteristics using the Ishihara method or other methods, and who have participated in the promotion of color universal design in other fields.
Exclusion criteria
Exclusion criteria: (1) Persons who do not wish to consent to this research (2) Those who are under 18 years of age (3) Persons who have already been tested for their colour vision characteristics by the CUDO Organisation and have not been informed of their own characteristics in advance. (4) Persons who are judged to be unsuitable as subjects for this study by the principal investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Differences in visibility of white light and indigocarmine spray images and image-enhanced endoscopy images according to color vision characteristics. | — |
Secondary
| Measure | Time frame |
|---|---|
| (1) Search for factors affecting visibility (2) Color difference between the lesion site and the surrounding mucosa (3) Color difference between blood vessels and surrounding mucosa (4) Age of the subject (5) Sex of the subject | — |
Countries
Japan
Contacts
Kyorin University School of Medicine Department of Gastroenterology and Hepatology