Conclusion The lack of frontalis muscle support, and the appearance of lateral buddle of orbicularis oculi muscle are one of the factors for lateral brow ptosis. 结论:外侧眉缺少额肌的支持及眼轮匝肌外侧束的出现是外侧眉下垂的重要原因之一。
Objective To investigate the relationships between the lateral brow ptosis and the muscles distribution in the brow area to provide an anatomic basis for clinical practice. 目的:探讨外侧眉下垂与该区肌肉力学的关系,为眶周年轻化手术提供更加详实的解剖依据。