目的 · 研究旨在改进上睑退缩的手术方式，提高临床疗效。方法 · 选取 2013 年 7 月至 2014 年 12 月在上海交通大学医学院附 属第九人民医院眼科就诊的甲状腺相关眼病引起的上睑退缩 2 ～ 5 mm 的患者，应用改良的提上睑肌延长术进行矫治，观察术后眼部 不适和外观的改善情况。结果 · 共计 34 例 (43 眼 ) 上睑退缩患者接受了改良的提上睑肌延长术，其中男性 7 例，女性 27 例。术后 6 个月，25 例患者上睑退缩完全矫正，9 例患者明显改善；患者睑裂高度平均下降 3.7 mm（P=0.000），眼睑闭合不全、眼部不适、畏光 流泪等症状均获得治愈或改善。结论 · 改良的提上睑肌延长术能够有效矫正上睑退缩，改善患者外观和治疗患者眼部不适。

Objective · To improve the surgical procedure of correcting upper eyelid retraction.  Methods · Patients suffering upper eyelid retraction of 2-5 mm caused by thyroid-associated ophthalmopathy were treated with modified levator lengthening technique in Shanghai Ninth People’s Hospital (Shanghai Jiao Tong University School of Medicine, China) from July 2013 to December 2014.  Results · Of the 34 patients underwent the modified levator lengthening surgery for upper eyelid retraction correction, there were 7 males and 27 females. After 6 months, upper eyelid retraction got fully resolved in 25 cases and partly improved in 9 cases. The palpebral fissure height demonstrated an average decrease of 3.7 mm (P=0.000). Patient’s ocular discomfort such as photophobia and tearing were either cured or improved.  Conclusion · Modified levator lengthening surgery can effectively correct upper eyelid retraction, improve the patient's appearance and cure their ocular discomfort.