Signs of Thyrotoxicosis

The following are medical signs of thyrotoxicosis (excess circulation of the hormone thyroxine):

Dalrymple sign – (widening of the upper eyelid)

Gifford’s sign (difficulty averting eyes upwards)

Joffroy’s sign (Absence of wrinkling of forehead on sudden upward gaze)

Ballet’s sign (Weakness of at least one of the extraocular muscles)

Jendrassik’s sign (Paralysis of extraocular muscles )

Suker’s sign ( Poor fixation on lateral gaze)

Leowi’s sign (Dilatation of pupil with weak adrenaline solution )

Cowen’s sign (Jerky pupillary contraction to consensual light )