Show red green color blind refuse to be convinced one man out of 20 Is decidedly color blind ind As for women less than one in in a hundred Is afflicted with defective color vision investigators find states 1 1 I writer in the washington post physiologists psychologists and physicists who have been seeking a solution for the problem of color blindness are constantly amazed by two curious things about color blind persons first color blind persons dont generally know they are color blind second they resolutely refuse to be convinced that there Is anything wrong with their color vision tell a red green blind person that this color Is red and that Is green and he will laugh at you thinking youre trying to play a practical joke on him not being able to distinguish between red and green he be Is likely to stroll down the street wearing a red suit quit thinking all the time he Is dressed in sober gray just like the famous english scientist dalton did many years ago to the shock of his quaker friends |