Karl Stellwag von Carion (1823 – 1904) was an Austrian ophthalmologist. Eponym: Stellwag Sign (1869) in Graves orbitopathy
A 71 year-old man tripped at home and bumped his forehead on the wall as he went to ground. His only complaint is markedly blurred vision in his right eye. How are you going to manage this case in the emergency department?