Möbius sign

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Möbius sign is a clinical sign in which there is an inability to maintain convergence of the eyes.{{Cite web|last=|first=|date=|title=Moebius syndrome|url=https://ghr.nlm.nih.gov/condition/moebius-syndrome|archive-url=|archive-date=|access-date=2020-08-17|website=Genetics Home Reference|language=en}} It is found in patients with Graves' disease.[http://medical-dictionary.thefreedictionary.com/M%C3%B6bius%27+sign Möbius sign] at TheFreeDictionary.com{{Cite book|url=https://books.google.com/books?id=CfiLAAAAQBAJ&q=M%C3%B6bius+sign&pg=PT168|title=Physical Signs in Medicine and Surgery: An Atlas of Rare, Lost and Forgotten Physical Signs|last=White|first=Michele C.|date=2009-04-15|publisher=Xlibris Corporation|isbn=9781453502211|language=en}}

The sign is named after Paul Julius Möbius.{{Cite book|url=https://books.google.com/books?id=pMbhu-vXVtAC&q=M%C3%B6bius+sign&pg=PA598|title=Companion to Clinical Neurology|last=Pryse-Phillips|first=William|date=2003|publisher=Oxford University Press|isbn=9780195159387|language=en}}