Localization and Extraction Technique of Magnetic Intraocular Foreign Body: I. Convenient and Accurate Technique of Localization.

Kim, Sang Ha; Kim, Si Yeol

Case Report

Journal of the Korean Ophthalmological Society 1979;20(3):313-316.
Published online March 1, 1979.

Localization and Extraction Technique of Magnetic Intraocular Foreign Body: I. Convenient and Accurate Technique of Localization.

Sang Ha Kim, Si Yeol Kim

Department of Ophthalmology, School of Medicine, University of Kyung-Book, Korea.

초자체내 자성안내이물의 (磁性眼內異物) 위치결정법과 적출법 - Ⅰ. 간단하고 정확한 위치결정법

김상하 , 김시열 ( Sang Ha Kim , Si Yeol Kim )

Abstract

On supine position the patient fixed at a point on the celling with the intact eye. Under the fluoroscope the tip of lacrimal probe was brought on the sclera, where the foreign body cast its shadow. Two exposures were taken at right angle. one frontally and the other laterally. The location of the foreign body was calculated with reference to the lacrimal probe. If a fluoroscope was not availabe, a lacrimal probe was brought to the estimated point on the sclera and two exposures were taken as above. If there was an error more than 3 mm between the indicator and the foreign body, the second localization was almost indispensable for the successful surgery. Bone free technique of Vogt was applied for very small foreign body in the anterior vitreous cavity. This accurate and convenient technique may be applied in every clinics for preparing the foreign body extraction, because it requires no special apparatus other than a standard X-ray machine and a lacrimal probe.