Fig. 2From: A proposed correction in the weighted method to score the Ishihara test(modified from the Rodriguez-Carmona’s equation)Indexes estimated from normal trichromats (black circles and lines), protan (red circles and lines), and deutan (green circles and lines) populations for each plate using non-weighted method (conventional evaluation), weightedi method (based in the Rodriguez-Carmona’s equation), weightedii methodBack to article page