目的：通过对眼外伤后无光感眼行诊断性玻璃体切割术，判断伤情，决定具体的手术方式。 方法：对8例8眼眼外伤视力无光感的患者行2期玻璃体切割术。 结果：术后无光感5眼，1眼FC，1眼HM，1眼0.05。术中改术式为眼内容剜除+羟基磷灰石义眼台植入2眼，1眼4mo后眼球摘除，3眼硅油眼。 结论：诊断性玻璃体切割可估计眼外伤伤情、决定术式。

AIM:To select suitable surgery by pars plana vitrectomy(PPV) evaluating severity of the ocular trauma and vision prognosis in eye injuries with non-light perception. METHODS: Eight cases(8 eyes)with non-light perception in complicated ocular trauma were treated with vitrectomy surgery. RESULTS:After the surgery, non-light perception was in 5 eyes, finger counting in 1 eye, hand motion in 1 eye, 0.05 in 1 eye. In the operation, the author altered the way of performing operation to evisceration and orbital implant of hydroxyapatite in 2 eyes, eyeball enucleating in 1 eye 4 months after vitrectomy surgery, silicone oil tamponade in the other 3 eyes. CONCLUSION: PPV can evaluate severity of the ocular trauma and select the suitable operation method.