Therapeutic effect of vitreo-retinal surgery on ocular siderosis

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CAI Jin-hong(Xiamen Eye Center,Xiamen University,Xiamen 361001,China)
WU Dong-hai(Xiamen Eye Center,Xiamen University,Xiamen 361001,China)
WU Duan-xiao(Xiamen Eye Center,Xiamen University,Xiamen 361001,China)
Journal Title:
Volume 25, Issue 01, 2009
Key Word:
Eye foreign bodies/complications;Eye foreign bodies/surgery;Vitrectomy

Abstract: Objective To evaluate the therapeutic effect of vitreo-retinal surgery on oclular siderosis. Methods The clinical data of 22 patinets (22 eyes) with ocular siderosis due to the magnetic foreign body at intraocular postsegment were retrospectively analyzed. The patients aged from 6 to 54 years (average 40 years), including 21 males and 1 femal. The duration of the magnetic foreign body remained in the eye lasted for 1 month to 20 years. The preoperative best corrected visual acuity (BCVA) was <0.01 in 15 eyes, 0. 01-0. 15 in 5 eyes and 0.1-0.2 in 2 eyes. There was Intra-vitreous foreign body in 18 eyes and ocular wall embedded foreign body in 4 eyes; intraocular foreign body (IOFB) combined with cataract in 18 eyes; combined with retinal detachment in 3 eyes; scleral buckling combined with silicon oil filled in 12 eyes and C3F8 filled in 7 eyes. Cataract extraction was performed in 12 eyes, and 2 eyes underwent filtrating surgery. Results The IOFB was successfully removed by one-off surgery in 22 eyes. BCVA increased in 20 eyes (90.9%) and kept unchanged in 2 eyes (9. 1%), including<0.1 in 7 eyes, 0. 1-0.4 in 8 eyes, and 0.5-1.0 in 7 eyes. Operative complications involved retinal holes with retinal detachment in 2 eyes and vitreous haemorrhage secondary to enlarge sclera incision in 2 eyes. Postoperative complications included secondary cataract in 4 eyes, retinal detachment due to silicon oil removal 3 months after submacular removal of foreign body in 1 eye, and retinal detachment 7 days after C3F8 filling in 1 eye; the latter two eyes had reattached retina after another silicon oil filling. At the end of the follow-up period, retina reattached in 22 eyes. Conclusion Advanced modern vireo-retinal operation is ffective on oclular siderosis, which can avoid the release of Fe+ and improve the patients' visual function.

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