A pigmentation disease that is characterized by loss of pigmentation of the eyelid and has_symptom white or light macules or patches on the eyelid, and has_material_basis_in autoimmune conditions like vitiligo, chronic inflammation, malignancy, or exposure to destructive substances. [ url:https://en.wikipedia.org/wiki/Vitiligo http://purl.obolibrary.org/obo/ECO_0007645 url:https://www.aafp.org/afp/1998/0601/p2695.html http://purl.obolibrary.org/obo/ECO_0007638 ]