Roth 28 Hue Test from Good-Lite (Formerly Richmond Products, Inc.)

Roth’s 28 Hue test studies the characteristic axies of dyschromatopsia similar to the Farnsworth D15, however this 28 hue test provides a greater degree of sensitivity. Case comes with a transparent base to make scoring more readable. Kit includes laminated scoring template (approx 8 1/2 by 11” or 24 by 31 cm) and instructions.