Color blindness color about vision deficiency
what colorblindness is
color blindness color vision deficiency is a condition in which certain colors cannot be distinguished, and is most commonly due to an inherited condition. redgreen color blindness is by far the most common form, about 99, and causes problems in distinguishing reds and greens. another color deficiency blueyellow also exists, but is rare and there is no commonly available test for it.
depending on just which figures you believe, color blindness seems to occur in about 8 - 12 of males of european origin and about one-half of 1 of females. i did not find any figures for frequency in other races. total color blindness seeing in only shades of gray is extremely rare.
there is no treatment for color blindness, nor is it usually the cause of any significant disability. however, it can be very frustrating for individuals affected by it. those who are not color blind seem to have the misconception th...