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我院在1975—1977年间,在收入院治疗的球内异物中,有3例为黄斑异物。我们依后部巩膜表面的解剖标志定位,进行异物取出术,3例均取出成功,而且保存了较好的视力。现介绍如下: 球内后部的异物定位,通常采用由角巩膜缘向后测量法,但因后极郎距角巩膜缘远,易发生误差而造成手术失败,因此我们改在手术中利用巩膜表面的解剖标志进行定位(即黄斑部相当于下斜肌附着点后端鼻侧2 mm处),手术效果满意。如异物不是恰在黄斑而是在黄斑附近,则按上述的解剖关
In our hospital from 1975 to 1977, in the hospital treatment of intra-ball foreign body, there are 3 cases of macular foreign body. We follow the sclera anatomical landmarks on the rear positioning, foreign body removal surgery, 3 cases were removed successfully, and save a good vision. Now introduced as follows: foreign body posterior ball positioning, usually by the scleral limbus back measurement, but the posterior Lang Lang angle scleral margin, prone to errors caused by the operation failed, so we use surgery in the scleral instead The anatomical landmarks were located (ie, the macula was equivalent to 2 mm behind the nasal end of the posterior oblique attachment point) and the results were satisfactory. If the foreign body is not just in the macular but in the vicinity of the macula, according to the anatomy of the above