目的 :探讨白内障术后复视及上睑下垂的机制。方法 :对 8例白内障术后复视及上睑下垂患者进行病史查阅 ,眼球运动检查 ,复视像检查及上睑运动功能检查 ,并对相关因素进行分析。结果 :所有病例均为球后或球旁麻醉、开睑器开睑引起 ,而与上直肌牵引缝线、结膜下注射无关。结论 :白内障术后复视及上睑下垂可能与球后或球旁麻醉时麻醉药的肌毒性作用有关 Objective: To investigate the mechanism of diplopia and ptosis after cataract surgery. Methods: Eight patients with diplopia and ptosis underwent census, eye movement examination, double vision examination and upper lid motor function examination. The related factors were analyzed. Results: All patients were retrobulbar or ball anesthesia, open eyelids open eyelid caused, but with the upper rectus traction suture, subconjunctival injection has nothing to do. Conclusion: Cataract postoperative dipyridis and ptosis may be related to the neurotoxicity of narcotic drugs