👉 Chromatopedia, a term used in medicine to describe an abnormality or condition of the skin, is defined as a condition characterized by the presence of white patches on the skin that appear at night. These patches can be found on the face, neck, arms, and legs, and they are often caused by an inflammatory response to certain bacteria or fungi. The condition is usually diagnosed through a series of tests, including blood tests, imaging studies, and biopsy.