• 甲状腺眼症の所見の１つ．
• 輻輳障害（両眼輻輳失調）
• 屈折異常などによってもみられる

Möbius sign is a clinical sign in which there is an inability to maintain convergence of the eyes. It is found in patients with Graves' disease. The sign is named after Paul Julius Möbius