石原忍

发表

Ishihara's tests for colour-blindness

石原忍, 1966 .

Tests for Colour-Blindness

石原忍, 1910, Nature.

The series of plates designed as a test for colour deficiency

石原忍, 石原忍, 2007 .

The series of plates designed as tests for colour-blindness

石原忍, 石原忍, 1973 .