Trichromatic Enhanced Dynamic Color Screening on the PDI Check Nintendo 3DS Game

Figures & data

Table 1 Compared Color Vision Tests on the PDI Check Game Against the Innova Rabin Trichromatic Standard Test

Version		ICC	Up ICC	Low ICC	Mean Diff	Low	Up	SE	Sensitivity	Specificity	PPV
0.2.8	F-M red	0.22	−0.02	0.6	7.66	−48.9	64.2	6.6	92%	86%	92%
	F-M green	0.34	−0.1	0.67	8.89	−51.6	69.4	7.1	78%	90%	88%
	F-M blue	0.38	0.12	0.75	−33.7	−77.4	10.1	5.3	87%	50%	93%
0.2.13	Iso-gray red	0.62	−0.07	0.87	−27%	−81%	28%	4%	78%	83%	78%
	Iso-gray green	0.64	−0.09	0.88	28%	−77%	21%	4%	100%	85%	80%
	Iso-gray blue	0.31	−0.07	0.7	−22%	−40%	−4%	2%	67%	78%	33%

Abbreviations: ICC, intraclass correlation; F-M, Farnsworth-Munsell.

Figure 1 Bland Altman analysis of color scores comparing PDI Check gray disc with Innova Rabin trichromatic scores averaged with both eyes for age-matched normal and patients with inherited color deficiencies.