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.