探讨眼后段球内异物 B型超声图像特征与手术方式。方法 :回顾分析 48例 ( 48眼 )眼后段球内异物 B型超声图像 ,并采用玻璃体切割术联合异物摘除。结果 :根据 B型超声图像特征分四型 ,异物摘除率为 97.9%。结论 :B超诊断眼后段球内异物快速、简便、无创伤、可重复。对临床手术方式的选择有重要的临床意义 To investigate the characteristics and surgical methods of B-mode ultrasound images of foreign bodies in the posterior segment of the eye. Methods: 48 cases (48 eyes) of posterior intraocular foreign body type B ultrasound images were retrospectively analyzed, and vitrectomy combined with foreign body removal. Results: According to the characteristics of B-type ultrasound images divided into four types, foreign body removal rate was 97.9%. Conclusion: B-ultrasound diagnosis of intracranial foreign body in the posterior segment of the eye is rapid, simple, noninvasive and repeatable. The choice of clinical surgical methods have important clinical significance