Objective To identify the characteristics of intraocular foreign bodies （IOFB） to provide references for the diagnosis of occult IOFB. Methods One hundred forty-three eyes with IOFB from December 2007 to December 2013 were analyzed retrospectively. Results Of the patients， 46 eyes were diagnosed with magnetic IOFB， 62 eyes were diagnosed with non-magnetic IOFB， 5 eyes were diagnosed with botanic IOFB， 19 eyes were diagnosed with stable IOFB （glass， pottery， plastics）， and 11 eyes were diagnosed with earth-based IOFB （stone， coal， powder， pencil core）. The IOFBs induced non-reaction （11.2％）， hyphema （7.0％）， cataract （60.1％）， vitreous hemorrhage （33.6％）， retinal detachment （30.1％）， endophthalmitis （11.9％）， iridocyclitis （3.5％）， glaucoma （5.6％） and siderosis （5.6%）. Five of the eyes were diagnosed with occult IOFB. Conclusion Variations in IOFBs induce a variety of clinical manifestations in the eyes. It is very important to have knowledge of the clinical characteristics of IOFB to diagnose occult IOFB.
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