The WSRS is a valid and reliable instrument for quantitative assessment of facial skin folds, with good inter- and intra-observer consistency. By allowing objective and reproducible grading of data, the WSRS should prove a useful clinical tool for assessi
目的 探究聚左旋乳酸在治疗外切眼袋术后下睑凹陷中的效果。方法 选取2022年11月-2023年3月我院收治的21例外切眼袋术后下睑凹陷的患者作为研究对象，采用聚左旋乳酸进行下睑凹陷部位注射治疗，观察治疗前后皮肤改善情况，计算总有效率。
Poly-L-lactic acid (PLLA) was approved for use in Europe in 1999. In the United States, it was approved by the Food and Drug Administration in 2004 for the treatment of facial lipoatrophy associated with human immunodeficiency virus, and in 2009 for cosm