爆炸伤后角膜多发性异物怎么办?

楼主:youcong 时间:2021-03-01 17:01:20 点击:1 回复:0
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  爆炸伤所致角膜多发性异物取除比较困难要分次剔除异物,以免给角膜带来更大的损伤。一般的处理方法是先将突出于角膜表面的异物及对睑结膜磨擦的异物冲洗,剔除,特别是瞳孔区的金属异物要尽早剔除,以免金属氧化后破坏角膜组织影响视力。

  对一些深层散在异物,待其被排出浮于角膜表面时再次剔除,但对金属异物,不要等待时间过长应尽早取出,减少角膜损害,若是埋浸角膜深层的非金属异物,如果没有刺激症状,不影响视力可以不作处理,同时为加速角膜实质层内异物向角膜表面浮出,可以滴用药物刺激,使其早日浮出后剔除;对于多数集中成堆的角膜浅层多发异物,严重影响视力者可对其行角膜板层切除术,或同时行角膜板层移植术。但要注意无论怎样取异物都要严格无菌操作,防止感染,取异物后要涂油膏纱布遮盖,次日复诊检查,确保角膜的安全。

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