A retrospective IRIS Registry-based study of over 2.26 million patients undergoing cataract surgery in the US shows that 0.18% (1 in 563) returned to the operating room for secondary removal of retained lens fragments in the anterior chamber within one year of the original surgery. The risk of secondary removal of retained lens fragments was increased among complex coded cataract surgery, males, smokers, and in patients with military or Medicaid insurance status.

中文翻译：

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白内障手术后返回手术室清除残留的晶状体碎片：IRIS®Registry（视力智能研究）分析。

一项基于IRIS Registry的回顾性研究对美国超过226万名接受白内障手术的患者进行了研究，结果显示，在原始手术的一年内，有0.18％（563人中的1人）返回手术室进行二次切除前房残留的晶状体碎片。在复杂编码的白内障手术，男性，吸烟者以及具有军事或医疗补助保险身份的患者中，二次切除保留的晶状体碎片的风险增加。