Set of color blindness cards.

6J11.70 • G+60+20

Set of color blindness cards. The Book of Pseudo-Isochromatic Plates has 40 plates. Each plate is composed of grey or green background dots and foreground numbers of red or purple. People with some forms of color blindness can not make out the numbers. Book of Pseudo- Isochromatic Plates (40 plates) PSEUDO-ISOCHROMATIC PLATES FOR TESTING COLOR PERCEPTION American Optical Co.

Related Demos

---

6J11.10 Rotating disk with black and white lines makes color illusion. 6J11.10 Rotating disk with black and white lines makes color illusion. 6J11.52 Optical illusion posters. 6J11.65 Pulfrich Effect: Pendulum and polaroid experiment. 6J11.70 Standard color blindness tests and box of colored yarns.

G+60+5 Pulfrich Effect: Pendulum and polaroid experiment. G+60+10 Limit of resolution: Two movable pin-points of light. G+60+15 Limit of audibility: Set of rods that ring at different frequencies. G+60+25 Rotating disk with black and white lines makes color illusion. G+60+30 Purkinje effect: At low intensity, blue is more visible than red. G+60+35 Two sides plus red and green light gives full color illusion. G+60+40 Detection of the IR, visible, and UV spectra using arc lamp on TV camera.