red-green deficiency

The terms red-green deficiency, red-green visual impairment, or red-green blindness are the technical terms for the most common color vision deficiencies, known colloquially as color blindness. Contrary to popular belief, those who are red-green blind are not necessarily incapable of recognizing these two colors; there may also be a weakness in discrimination. What is red-green … Red-green Deficiency: Causes, Symptoms & Treatment