Methods After the incision was made, we undermined the lower lid flap superior to the orbicularis oculi muscle and deep to the inferior to the muscle after surpassing the level of tarsus.

• 方法:在进行下睑袋整形的组织瓣分离过程中,在睑板前,仅在眼轮匝肌表面分离形成皮瓣。分离到睑板下缘时,在眼轮匝肌深面分离形成肌皮瓣,使分离后的组织瓣像一阶梯形状而冠以阶梯瓣这一名称。