目的 分析白内障超声乳化术后低视力的原因.方法 统计白内障超声乳化术214例233眼术后3月时矫正视力及眼部检查情况.结果 43眼视力低于0.3(18.45%),其中超声乳化手术并发症17眼,白内障患者眼部原有的并发症13眼,两者同时存在13眼.结论 根据超声乳化术的特点,合理选择病例,减少手术并发症和提高处理的能力外,应重视白内障患者眼部原有的并发症的诊断和治疗. Objective To analyze the causes of low visual acuity after cataract phacoemulsification.Methods Corrected visual acuity and eye examination in 214 cases (233 eyes) of cataract phacoemulsification at 3 months after cataract phacoemulsification.Results The visual acuity of 43 eyes was lower than 0.3 (18.45%), of which phacoemulsification There were 17 cases of surgical complications, 13 eyes of cataract patients with original complications, both of which had 13 eyes at the same time.Conclusion According to the characteristics of phacoemulsification, it is necessary to pay attention to the rational selection of cases, reduce the complications and improve the ability of treatment. The diagnosis and treatment of the original complications of eye in cataract patients.