INTRODUCTION In evaluation for blepharoplasty, patients often desire improved cosmesis and/or correction of visual field deficits. However, patients are usually unaware of eyelid or brow asymmetry. Furthermore, the prevalence of eyelid and brow asymmetry is infrequently reported in the medical literature. PURPOSE To determine the prevalence of brow and eyelid asymmetry in patients evaluated f...

OBJECTIVE To determine the degree of facial asymmetry required to trigger conscious perception in the observer in a simulated model of facial paralysis. METHODS A model of unilateral facial paralysis was created using the face of a participant without facial paralysis. Digital morphing software was used to create progressive asymmetry of the brow, oral commissure, and combined brow and oral c...

BACKGROUND Few studies have examined the anatomy of the central forehead as it pertains to vertical glabellar furrows. OBJECTIVE This study sought to critically examine the corrugator supercilii muscle (CSM) in situ, in relation to surrounding bony and soft tissue landmarks. METHODS Anatomic dissection of 10 fresh cadaveric hemi-heads was performed, focusing on the CSM origin and insertion,...