Show Few Are Totally Blind to Color Cases of total color blindness blindness' where the persons can not distinguish between be bc tween any colors at all are mon mono So rare is total intal color that tha only cases have been found in the world and 11 in In the United States One of these those was recently called to the attention of the medical fraternity The subject failed in all tests of color blindness s. s In the Holmgren wool tests for lor example the subject was was' instructed to sort ort out the skeins into four lour piles red piles red yellow green and blue He tin finally ally sorted them into five live piles based solely on ott relative bright bright- nes ness near A A. of colors looked al alof all of the same shade differing only in bri brightness The subject subject- in fact saw sawall sawall all scenes as one would in a photograph photograph photograph photo photo- graph where all real colors become blacks grays and whites |