Show COLOR BLINDNESS A queer phase of this disease developed la a kalaro ader an english engineer forty years of was dismissed from his situation because he was unable to correctly distinguish colors dr M reich who examined the man and who afterward published the results of bis examinations in a russian paper found sight focus and sensation of light normal and discovered no disease by the ophthalmoscope yet the patient could distinguish no colors when of a dark shade and only yellow and blue when of a light shade the patient assured dr he had been able to dis colors correctly and with confidence up to the summer of lie said that through overexertion over exertion and insufficiency of sleep lie had then suffered from violent headache for two weeks and that afterward he saw everything as if red the latter symptom had continued for three months after which time he had lost all sensation of color in the beginning of may 1800 he presented himself again declaring that he had perfectly regained the power colors A thorough examination says the new york ledger completely confirmed the assurance given by the patient who was consequently again fit for service lr reich believes that is due to central mischief the cass seems to show that sensation is per of physiological function |