散光属于屈光不正之一 ,易引起视物模糊和视疲劳 ,通常以配镜矫正 ,散光较大时患者常因不能忍受配镜或接触镜需要手术治疗。早在 19世纪就有角膜手术对此实施矫正[1] ,之后 ,角膜散光矫正手术的适应症、术式、并发症等的研究更加深入细致。一、概述眼屈光系统的角膜和晶体各屈 Astigmatism is one of refractive errors, easy to cause blurred vision and visual fatigue, usually with glasses correction, astigmatism patients often can not tolerate glasses or contact lenses often require surgery. Corneal surgery as early as the 19th century to correct this [1], then, astigmatism correction surgery indications, surgical procedures, complications and other research more in-depth and meticulous. First, an overview of the cornea and lens refractive system of the flexor