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白内障对眼底的损害

来源:华人健康网 | 发布时间:2011-01-13 14:19:18 | www.chinesejk.com

  有两种情况可能和白内障手术有关:一种是视网膜脱离,另一种是黄斑囊样水肿。这两种情况的发生会对视力的恢复造成困难。

  视网膜脱离容易发生在高度近视的白内障患者,高度近视患者本身有很高的视网膜脱离趋势,手术过程眼内结构的变化可能加快这一趋势,导致视网膜脱离,但是有报道表明,超声乳化手术已经使视网膜脱离的发生率降至最低。

  黄斑囊样水肿,这是手术后最不具有预测性的并发症,它的发生机制是很复杂的,简单来讲就是手术引起人体产生一种叫做前列腺素的成分,这种成分促使黄斑区的小血管通透性改变,使过多的液体集聚在黄斑区视网膜下。

(编辑:阳阳 )

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