Colour blindness is a usually a genetic (hereditary) condition (you are born with it
Color blindness is a genetic condition caused by a difference in how one or more of the light-sensitive cells found in the retina of the eye respond to certain colors. These cells, called cones, sense wavelengths of light, and enable the retina to distinguish between colors.
Other causes of color blindness can also be caused from a variety of vision problems, including: Macular degeneration, diabetic retinopathy, glaucoma, or cataracts. Injury to the eye. Aging.
Inherited color blindness is caused by abnormal photopigments. These color-
Color blindness is not a form of blindness at all, but a deficiency in the way you see color. With this vision problem, you have difficulty distinguishing certain .
Most colour blindness is inherited, although some cases are caused by an injury or disease of the retina or optic nerve, the nerve that takes information from the .