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Retained metallic intraocular foreign bodies (IOFBs) may cause toxic effects such as cataract and retinal damage. We describe an unexpected course of siderosis in a patient who had undergone removal of an IOFB shortly after injury and then had siderosis develop, which subsequently disappeared spontaneously. To our knowledge reversal of siderosis has not been previously reported.
A 32-year-old man was seen with an IOFB in the left eye after he had hammered a nail. On admission, visual acuity was 20/20 OD and 20/30 OS. Findings from examination of the right eye were unremarkable. Findings from biomicroscopy of the left eye were normal. A 2-mm scleral laceration was noted 3 mm temporally to the limbus. Funduscopy disclosed a metallic IOFB impacted in vitreal hemorrhage nasally to the optic disc. The entry wound was repaired immediately, and the next day laser photocoagulation was applied around the IOFB. After 5 days, pars plana vitrectomy and removal of the IOFB via sclerotomy, using a foreign-body forceps, were performed. Visual acuity returned to 20/20 OS, the lens remained clear, the retina was attached, and laser scars were seen nasally to the optic disc.
Pollack A, Oliver M. Reversal of Siderosis. Arch Ophthalmol. 1998;116(5):678–679. doi:
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