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目的：分析提上睑肌缩短术在学龄前儿童先天性上睑下垂中的临床疗效。方法回顾性分析在该院治疗的先天性上睑下垂学龄前儿童手术及随访资料，根据术式分为观察组和对照组，观察组患儿采用提上睑肌缩短术治疗，对照组采用额肌悬吊术治疗，分析二组患者术后即时及长期疗效。结果术后即时疗效二组患者均出现不同程度的眼睑闭合不全、矫正过度及上睑迟滞现象。远期疗效提上睑肌缩短术要显著优于额肌悬吊术。结论采用提上睑肌缩短术治疗学龄前儿童先天性上睑下垂临床疗效显著，并发症少，值得推广应用。“,”Objective To analyze the clinical effect of levator shortening surgery treated preschool children with congenital ptosis.Methods A retrospective analysis the surgery and follow- up data of preschool children with congenital ptosis,according to the surgical divided into two groups,children with the obser-vation group received levator shortening treatment and the control group was given fascial suspension sur-gery,then the immediate postoperative and long-term efficacy were analyzed.Results Immediate postop-erative outcomes were occurred between the groups of patients with varying degrees of lagophthalmos,up-per eyelid over - corrected and hysteresis.Long - term effect levator shortening was significantly better than muscle suspension surgery.Conclusions Levator shortening in treating preschool children with con-genital ptosis shows a significant clinical effect and fewer complications,it is worth to be applied widely.