title: [Rainbow colored halo: what causes it?].
authors.forename: Manfred
authors.initials: M
authors.lastname: Zierhut
mesh_terms: D003118:Color Perception; D003316:Corneal Diseases / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D009903:Optical Illusions; D014786:Vision Disorders / Q000209:etiology*; D014985:Xerophthalmia / Q000175:diagnosis*