Table 3.
Numbers of participants who played ColourSpot in the discovery and validation cohorts
| Ishihara Unlettered groups | Discovery cohort | Validation cohort |
|---|---|---|
| CVD | 19 | 37 |
| Inconclusive | 7 | 19 |
| Control | 74 | 118 |
|
Exclusions Untested |
0 136 |
3 362 |
| Total | 236 | 536 |
Participants categorized as “CVD” made 3 or more errors on the Ishihara Unlettered. Participants categorized as “Inconclusive” made 1 or 2 errors on the Ishihara Unlettered. Participants categorized as “Control” were randomly selected from children who made no errors on the Ishihara Unlettered. Participants categorized as “Untested” are children who were categorized as having normal color vision by the Ishihara Unlettered but were not tested on ColourSpot