In 1983, Bringewald postulated that<unk>  resulted from vascular compression of the trochlear nerve (fourth cranial nerve), which controls the action of the<unk><unk>  muscle in the eye. By 1998, there had been only one reported case of compression of the trochlear nerve by vessels. More recently, magnetic resonance imaging experiments have shown that neurovascular compression at the root exit zone of the trochlear nerve can result in<unk> .
Superior oblique myokymia
Holmes tremor
Dysbarism
Blepharospasm
Coprographia
Spasmodic torticollis
Lonomia
Torsion dystonia