Stellwag's sign

Resumo

The clinical significance of Stellwag's sign (rare blinking, exophthalmos) specific to hyperthyroidism is discussed. For the first time this symptom was described by the Austrian ophthalmologist Carl Stellwag von Karion. The symptom is especially important for those specialists (ophthalmologist, internist, cardiologist, neurologist), which initially may contact with patient suffering from hyperthyroidism.