| Magnet Extraction of Intraocular Foreign Body in the Vitreous. |
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Yoon Ae Cho |
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Department of Ophthalmology, Dong San Presbyterian Medical Center, College of Medicine, UniversHy of KeiMyung, Korea. |
| 후안부의 (後眼部) 자성안내이물 (磁性眼內異物) 적출법 |
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조윤애 ( Yoon Ae Cho ) |
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| Abstract |
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Water's view was used to establish the presence of a foreign body and its approximate position and then the accurate localization of the foreign body was assessed in postero-anterior and lateral views of skull with reference to a thin and long indicator attached to the sclera, At the site nearest the foreign body, a lamellar scleral undermining (about 5 mm) was performed on both sides of a single scleral incision which was parallel to the limbus, (about 15 mm). Surface diathermies were applied in the area undermined. The choroid was exposed by means of double scleral trap door incision. The foreign body was attached to the magnet tip when the hand magnet was brought up to the choroid. After extraction of the foreign body, mattress suture was then inserted in the undermining sclera. Scleral buckling was done using a preserved scleral implant. In contrast to the 41.7 percent sucess in removal of the foreign body by Comberg's technique and pars plana approach, we removed all of the foreign bodies by the above mentioned method in 11 cases. In my opinion, this localization of the foreign body is very accurate and the magnetic foreign body, although it is engaged by fibrous tissue, can be removed by this method in all patients. This method is very effective for prophylaxis and treatment of retinal detachment occuring in the course of removal of the intraocular foreign body. |
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