There are 4 types of red green color blindness.
Most common form of color blindness psychology.
This blue yellow color deficiency usually affects men and women equally.
Much more rarely a person may inherit a trait that reduces the ability to see blue and yellow hues.
Between 4 and 8 per cent of males are affected but only about 0 5 per cent of females.
Higher brain areas implicated in color processing include the parvocellular pathway of the lateral geniculate nucleus of the thalamus and visual area v4 of the visual cortex.
Achromatopsia also called rod monochromatism stationary cone dystrophy or cone dysfunction syndrome blue cone monochromatism also called blue cone monochromacy or x linked achromatopsia.
Red green color deficiency is the most common form of color blindness.
Deuteranomaly is the most common type of red green color blindness.
As a result the world appears to you in black.
None of your cone cells have photopigments that work.
The most common are red green hereditary genetic photoreceptor disorders but it is also possible to acquire color blindness through damage to the retina optic nerve or higher brain areas.
Some of the inherited diseases known to cause color blindness are.
Some people are more insensitive to red hues protanopia others to green hues deu teranopia.
These are often called red blindness and green blindness respectively red green color blindness is by far the most common form.
This type is mild and doesn t usually get in the way of normal activities.