Functional positional eye and eyelid movements.

Background: Positional manoeuvres are an important part of the neurological examination, particularly in patients with vertigo where the presence and characteristics of provoked nystagmus can help differentiate central from peripheral neurological disorders.

Methods: Case series of functional positional eye and eyelid movements.

Results: We report four patients with functional eye and eyelid movements provoked during positional manoeuvres.