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目的探讨白内障术后无张力瞳孔的发生机理。方法回顾性分析2004-01～2009-12白内障术后发生无张力瞳孔病例的原因。结果 1812例白内障手术中发生无张力瞳孔22例,发生率为1.21%,术后瞳孔呈中等度散大,对光反应、调节反射消失,不能用缩瞳剂缩小,呈现无张力状态。结论白内障术后无张力瞳孔发生机制复杂,原因不明,目前缺乏有效治疗方式,重在预防。
Objective To investigate the mechanism of tension-free pupil after cataract surgery. Methods Retrospective analysis of 2004-01 ~ 2009-12 cataract surgery after the occurrence of non-tension pupil cases. Results There were 22 cases of tension-free pupil in 1812 cataract operations, the incidence was 1.21%. The pupil was moderately scattered after the operation. The response to light and the regulation of reflex disappeared and could not be reduced by the miotic agent, showing no tension. Conclusions The mechanism of tension-free pupil after cataract surgery is complex and its cause is unknown. Currently, there is a lack of effective treatment and focus on prevention.