青光眼手术时机一般选择在眼压降至正常或基本正常为宜，因在高眼压下手术易致脉络膜出血、脱离、前房不形成等严重并发症．但有部分青光眼急性发作后用药物治疗高眼压持续不降，如不及时手术可致视力永久性损害直至丧失。因此为了抢救视力，我们对这些病例采取高眼压状态下手 The timing of glaucoma surgery generally choose to fall to normal or normal intraocular pressure is appropriate, due to high intraocular pressure surgery is easy to cause choroidal hemorrhage, detachment, the anterior chamber is not formed and other serious complications. However, some acute glaucoma after treatment with ocular hypertension continued to decline, if not surgery can cause permanent damage to the vision until the loss. Therefore, in order to rescue eyesight, we take a high intraocular pressure in these cases started