Origin: Underside of levator palpebrae superioris
Insertion: Superior tarsal plate of the eyelid
Artery: Ophthalmic artery
Nerve: Sympathetic nervous system
Action: Raise the upper eyelid
The superior tarsal muscle is a smooth muscle adjoining the levator palpebrae superioris muscle that helps to raise the upper eyelid. The superior tarsal muscle originates on the underside of levator palpebrae superioris and inserts on the superior tarsal plate of the eyelid.