SECONDARY VITRECTOMY TO REMOVE INTRA-OCULAR FOREIGN BODY

Objective To analyze the causes of failure to remove the intra-ocular foreign bodies in the first surgery and to summarize the experience of secondary vitrectomy.Methods Recurrent retinal detatchments in nine eyes of nine cases after the failure of first operation were treated with the secondary vitrectomy to remove the intra-ocular foreign bodies.The lens and peripheral residual vitreous bodies were removed.The retina was excised and refilled with silicon oil and C_3F_8.Results The 3～6 months of follow-up surveys showed that all eyes recovered after the secondary vitrectomy.The uncorrected visual acuity was 0.04～0.06 in 5 eyes,the corrected acuity was 0.1～0.15 in 6 eyes and 0.2～0.25 remained normal in all cases.Conclusion To resect anterior PVR and vitreous bodies near the Scleral hole,to excise the retinal scars and to relax retina are the key to successful secondary virtrectomy.