Basics about Color Vision Deficiency
The diagnosis is self explainable, it causes the person who obtains color blindness has trouble deciphering certain colors, but not all. Color blindness is usually caused by a genetic heredity, in other words you're born with it. In some not so common occasions certain medications or eye diseases can cause a defect in color vision. The gene responsible for this condition is found within the X Chromosome. Because color vision deficiency is found within the X Chromosome, you are more likely to get the condition through your mother. If you're color blind, it means the instruction for the development of your cone cells are working badly, if not missing completely. Cone cells are correlated with the dilemma that color blind diagnosed people go through.
Basic information about Cone Cells
There is a certain system correlated with color blindness. Cone cells are responsible for the help in deciphering color, known as photoreceptors. They absorb and convert light into electrical signals. In order for the diagnosed to see color, the brain would have to repair the damaged cone cells.
Photo used under Creative Commons from National Eye Institute