Journal: Scientific Reports

Article Title: Coloured filters can simulate colour deficiency in normal vision but cannot compensate for congenital colour vision deficiency

doi: 10.1038/s41598-022-13877-9

Figure Lengend Snippet: Mean Ishihara and FM100 TES (total error scores) scores, with and without filters. Average error scores (excluding misreadings) on the Ishihara test ( a ) and average TES scores on the FM100 test ( b ) for CVN-Variantor (red), CVN-EnChroma (grey), CVD-EnChroma (blue) adult conditions and CVD Children EnChroma (yellow) condition without filter (solid fill with skinny borders) and with filter (translucent fill with thick borders). Horizontal dashed lines represent cut-off points to “fail” the Ishihara ( a , 3 errors) and the FM100 ( b , 100 TES). Error bars indicate ± 1 standard error of the mean (SEM). *(P < 0.05), **(P < 0.01), ***(P < 0.001) and n.s. (not significant) indicate significance levels from the ANOVA tests or Tukey post-hoc comparisons.

Article Snippet: For CVD participants, sorting error scores (Fig. a, blue bars) and proportional increases in sorting times when sorting pieces by colour versus shape (Fig. b, blue bars) were analysed with a one-way repeated measures ANOVA with filter (no-filter, EnChroma) as the within factor (see Fig. a,b, blue bars).

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