Unravelling the Complex Anatomy of the Tear Trough and Lower Eyelid Folds

The lower eyelid tear trough deformity is a common cosmetic concern which is the result of multiple anatomic changes in the lower eyelid, usually resulting from age. A sound understanding of the underlying anatomy is vital to inform surgeons about the ideal treatment options for rejuvenation of this region and to minimize the risk of complications. Cadaveric studies provide unique insight into underlying anatomic changes. Here we review the relevant published cadaveric studies relating to the tear trough deformity and its treatment.