<P> Based on clinical appearance , color blindness may be described as total or partial . Total color blindness is much less common than partial color blindness . There are two major types of color blindness : those who have difficulty distinguishing between red and green , and who have difficulty distinguishing between blue and yellow . </P>
<P> Based on clinical appearance , color blindness may be described as total or partial . Total color blindness is much less common than partial color blindness . There are two major types of color blindness : those who have difficulty distinguishing between red and green , and who have difficulty distinguishing between blue and yellow . </P>
what are the two types of color blindness
what are the two types of color blindness
difficulty distinguishing between red and green difficulty distinguishing between blue and yellow
difficulty distinguishing between red and green difficulty distinguishing between blue and yellow