60年代初采用的治疗婴幼儿白内障的吸出术,能够保留完整的后囊,但常形成混浊的后囊膜,需在术后数周至数月再行后囊膜刺开术。近几年来,采用玻璃体切割器作晶体后囊和前玻璃体切除术,可获视轴区永久透明,防止弱视,然而术后仍易发生黄斑囊样水肿。最近证明,Nd-YAG激光治疗白内障术后增厚的囊膜是安全有效的, The early 60s used in the treatment of cataract aspiration in infants and young children, able to retain the integrity of the posterior capsule, but often the formation of turbid posterior capsule, the need for a few weeks to months after the operation of posterior capsular surgery. In recent years, the use of vitreous cutters for posterior vitrectomy and vitrectomy can be permanently transparent optic axis, to prevent amblyopia, macular cystoid edema is still prone to occur after surgery. It has been recently demonstrated that Nd-YAG laser is safe and effective in the treatment of thickening of the capsule after cataract surgery,