<prompt> A 12-year-old girl with the mood and emotional liability has a golden brown discoloration in descemet membrane. Most likely diagnosis is:Fabrys diseaseWilsons diseaseGlycogen storage diseaseAcute rheumatic fever  <response>: b. Wilsons diseaseRef: Nelsons 20e p 1939-1940, Ghai 8e p 320-321KF ring in Wilson disease is due to deposition of Copper in the Descemet membrane layer of cornea. 