Möbius sign is a clinical sign in which there is an inability to maintain convergence of the

eye Eyes are organs of the visual system. They provide living organisms with vision, the ability to receive and process visual detail, as well as enabling several photo response functions that are independent of vision. Eyes detect light and conv ...

s. It is found in patients with

Graves' disease Graves' disease (german: Morbus Basedow), also known as toxic diffuse goiter, is an autoimmune disease that affects the thyroid. It frequently results in and is the most common cause of hyperthyroidism. It also often results in an enlarged thyr ...

. The sign is named after

Paul Julius Möbius Paul Julius Möbius (January 24, 1853 – January 8, 1907) was a German neurologist born in Leipzig. His grandfather was German mathematician and theoretical astronomer, August Ferdinand Möbius (1790–1868). Prior to entering the medical field ...

References

Symptoms and signs: Endocrinology, nutrition, and metabolism Endocrinology {{Thyroid disease