眼内异物是眼球穿通伤中常见的并发症。在我科住院的126例眼球穿通伤中,96只眼内存留异物,其中65只为眼内后部磁性异物,即异物位于锯齿缘以后者,占眼内异物的67.71%。眼内异物原则上都应摘出。一般说来,摘出磁性异物比摘出非磁性异物容易,但摘出手术操作又常或多或少损伤眼组织。因此,选择适当的手术途径以尽量减少这种损伤,是挽救视力的重要课题。本组病例中,共采取了三种途径来摘出眼内后部的磁性异物,报如下: Intraocular foreign body is a common complication of penetrating eye injury. In our department of 126 cases of penetrating through the eye, there were 96 foreign bodies in the eyes, of which 65 were intracranial posterior magnetic foreign bodies, that is, the latter was located at the jagged edge, accounting for 67.71% of the intraocular foreign bodies. Intraocular foreign body should be removed in principle. In general, the removal of magnetic foreign body than the removal of non-magnetic foreign body easily, but the extraction operation often more or less damage the eye tissue. Therefore, the choice of appropriate surgical approach to minimize such damage is an important issue saving vision. In this group of patients, taken a total of three ways to extract the posterior intraocular magnetic foreign body, reported as follows: