临床上矫正上睑下垂的手术方式很多，一般根据眼睑下垂的具体情况，选择不同的手术方法，但上睑提肌缩短手术更符合生理要求，且损伤性小。1994－1997年我们采用改良上睑提肌缩短术治疗上睑下垂19例25眼，收到满意效果，现介绍如下。一、临床资料先天性单纯性上睑下垂19例25眼 Clinic clinical correction of ptosis surgery many ways, generally based on the specific conditions of ptosis, choose a different surgical approach, but levator muscle shortening operation more in line with physiological requirements, and less damage. 1994-1997 we use improved levator muscle shortening treatment of ptosis in 19 cases 25 cases, received satisfactory results, are presented below. First, the clinical data Congenital simple ptosis in 19 cases 25 eyes