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      The Nature and Origin of Intraocular Metallic Foreign Bodies Appearing after Phacoemulsification

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          Abstract

          In order to evaluate the nature and origin of metallic foreign bodies embedded in the iris after uneventful phacoemulsification, we aimed to produce metallic fragments by applying ultrasound power with the same phaco machine and handpiece in an experimental model in vitro. In a glass bottle, we used linear phaco power of 100% continuously for 5 min first with a new phaco tip and then with a used tip. Afterwards, the fluid in the bottle was filtered through a Millipore filter. The remains on the filter were studied by scanning electron microscopy (SEM) and microprobe. Small particles remained on the filter which was used for the new tip. Microprobe microanalysis showed that these particles were mainly titanium, the same as the phaco tip. SEM of both the new and the used tips showed small fragments on the exterior surface and lumen. Intraocular metallic foreign bodies after phacoemulsification are likely to be shaken loose from the phaco tip. Although it is mostly agreed that these fragments are well tolerated, their overall effect remains to be evaluated in the long term.

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          Author and article information

          Journal
          OPH
          Ophthalmologica
          10.1159/issn.0030-3755
          Ophthalmologica
          S. Karger AG
          0030-3755
          1423-0267
          2003
          June 2003
          04 April 2003
          : 217
          : 3
          : 212-214
          Affiliations
          aOphthalmology Department, bMedical Biology Department, Ege University School of Medicine, cEylül University School of Mining Engineering, Bornova Izmir, Turkey
          Article
          68979 Ophthalmologica 2003;217:212–214
          10.1159/000068979
          12660486
          © 2003 S. Karger AG, Basel

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          Page count
          Figures: 2, References: 4, Pages: 3
          Categories
          Original Paper

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