Selected Ishihara plates
74. Red/green colour-blind see 21
97. Red/green colour-blind see nothing
42. Red colour-blind (protanopia) see 2, Green colour-blind (deuteranopia) see 4
These plates assume 6500K illumination (warm).
74. Red/green colour-blind see 21
97. Red/green colour-blind see nothing
42. Red colour-blind (protanopia) see 2, Green colour-blind (deuteranopia) see 4
These plates assume 6500K illumination (warm).