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Abstract
Abstract
Ultrasound Biomicroscopic Detection of Intraocular Foreign Bodies
Imshenetskaya T., Savitch A.
Department of Ophthalmlogy, Belorussian State Medical University, Minsk, Belarus
Purpose: To evaluate the usefulness of ultrasound biomicroscopy (UBM) in the detection and localization of intraocular foreign bodies (IOFB) in anterior ocular segment after trauma.
Method: In a prospective study ultrasound biomicroscopy was performed on 17 eyes of 15 consecutive patients with intraocular foreign bodies (IOFB) in the ophthalmological department (Belorussian State Medical University) between August 1996 and December 2002. UBM was performed using the Humphrey Ultrasound Biomicroscope model 840. This instrument employs a 50-MHz scan transducer that produces dynamic images with lateral and axial resolution of approximately 50 mm. Detection and localization of an intraocular foreign bodies were measured.
Results: A foreign body was detected by UBM in 15 patients (17 eyes) (100 %). The foreign body was classified as multiple intracorneal and intrascleral in 2 eyes (11, 8 %), intraocular in 15 eyes (88,2 %). Intraocular foreign body were detected in the anterior chamber angle in 1 eye (5,9 %); in the lens in 9 eyes (52,9 %); in the ciliary body in 5 eyes (29,4 %). The nature of intraocular foreign bodies were identified in all eyes. 6 (35,3 %) of the intraocular foreign bodies were nonmetallic (glass), 11 (64,7 %) of the intraocular foreign bodies were metallic (9 - nonmagnetic, 2 - magnetic). Operative procedures to remove the intraocular foreign bodies (1