白内障是全球范围内致盲的重要原因之一。超声乳化术凭借创伤小、恢复快的优势,已成为治疗白内障的主流手术方式。然而,超声乳化术中参数的设置对眼内组织(尤其是角膜内皮和视网膜)的潜在损伤备受关注。本文系统分析了超声乳化术中3个核心参数(超声频率、灌注瓶高、超声能量)对眼内组织的影响机制及其相互作用。高频超声提高了乳化效率并缩短手术时间,但伴随更显著的热效应,尤其当术中结合高能量输出时,会明显加剧角膜内皮细胞的热损伤风险。高瓶高在维持前房稳定的同时,也增加了机械性剪切应力和湍流,对内皮细胞产生额外的物理损伤 ...
罗开杰, 仲苏鄂
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