Limited Orbicularis Myectomy for Apraxia of Eyelid Opening

Apraxia of lid opening (ALO) is characterized by the inability to initiate voluntary eyelid opening. Eyelid surgery like orbicularis myectomy is usually required in ALO. This involves excision of the orbicularis muscle fibres, which helps in overcoming levator palpebrae inhibition. In this video, the anatomy of the eyelid and specifically the orbicularis muscle and the surgical technique are highlighted.