von Graefe sign (lid lag sign): Failure of the upper lid to follow a downward movement of the eyeball when the patient changes his or her vision from looking up to looking down. Typically associated with hyperthyroidism and exophthalmos
Time to review the descriptions and eponymythology of the forgotten signs associated with Graves orbitopathy - the signs of Dalrymple, Stellwag, von Graefe, Möbius and Joffroy...