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Background  To explore minimal surgery in selected patients with intravitreal foreign body (IVFD) and traumatic cataract.    Methods  Twelve eyes of 12 patients with small ferrous IVFD and traumatic cataract without endophthalmitis, retinal injury and secondary glaucoma, between September 2015 and March 2017 were retrospectively analyzed. Primary removal of IVFD was performed by external magnetic extraction through the pars plana incision. Secondary removal of traumatic cataract by phacoemulsification and intraocular lens (IOL) implantation with or without anterior vitrectomy were performed. Patients were followed up at 1 day, 1 week, 1 month, 3 months, 6 months and 12 months after surgery.    Results  All patients were male with a mean age of 32 years old. All IVFDs were successfully removed without retinal injury. Two to 6 months later, the traumatic cataract was successfully removed by phacoemulsification combined with IOL implantation in the capsule bag in 10 patients. Anterior vitrectomy was implied in 2 patients with large posterior capsule rupture, and the IOLs were placed in the ciliary sulcus. Best-corrected visual acuity ranged from hand movement to 20/100 before surgery and improved ranging from 20/32 to 20/20 at the final follow-up. The IOLs were well centered. Complications such as secondary glaucoma, endophthalmitis and retinal detachment were not found.    Conclusions  Primary removal of small ferrous IVFD by external magnetic extraction followed by secondary cataract removal and IOL implantation is an appropriate choice. Minimal surgery may obtain good visual outcome without complications in selected patients.

Minimal surgery achieved good visual acuity in selected patients with magnetic intravitreal foreign body and traumatic cataract