title: Medical mystery: brown eye and blue eye--the answer.
authors.forename: Benjamin
authors.initials: B
authors.lastname: Gesundheit
authors.forename: Mark
authors.initials: M
authors.lastname: Greenberg
mesh_terms: D001763:Blepharoptosis / Q000209:etiology; D002648:Child; D005127:Eye Color; D006732:Horner Syndrome / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D007498:Iris / Q000294:innervation; D008297:Male; D015877:Miosis / Q000209:etiology; D009447:Neuroblastoma / Q000150:complications / Q000175:diagnosis*; D013125:Spinal Neoplasms / Q000150:complications / Q000175:diagnosis*