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目的探讨后房型人工晶状体脱位的原因和处理方法。方法对23例23[后房型人工晶状体脱位的原因进行分析;采用托吡卡胺散瞳复位、单纯手术复位、前段玻璃体切除单纯取出再植入、更换和取出人工晶状体等方法进行处理。结果手术中后囊膜破裂、悬韧带离断、玻璃体脱出、手术后外伤及人工晶状体的材料和类型是后房型人工晶状体脱位的主要原因。23[中2[用1%托吡卡胺扩瞳后自行复位;10[单纯手术复位成功;4[更换前房型人工晶状体;4[更换后房型人工晶状体;3[取出人工晶状体后未再植入。随访1个月至3年,除3[无晶状体[外,术后矫正视力均≥0.05;其中≥0.1者18[,≥0.5者12[均无严重并发症发生。结论后房型人工晶状体脱位与术中后囊膜破裂、悬韧带离断、玻璃体处理不当、术后外伤及人工晶状体的材料和类型有关。前段玻璃体切除单纯取出再植入,是处理后房型人工晶状体脱位简单有效的方法。
Objective To investigate the causes and treatment of posterior chamber intraocular lens (IOL) dislocation. Methods Twenty - three 23 cases of posterior chamber intraocular lens (IOL) dislocation were analyzed retrospectively. Patients were treated with tropicamide mydriasis, simple surgical resection, anterior vitrectomy with simple replantation, replacement and removal of intraocular lens. Results The posterior capsule rupture, suspensory ligament rupture, vitreous prolapse, postoperative trauma and intraocular lens (IOL) were the main causes of posterior chamber intraocular lens dislocation. 23 [in 2 [self-resetting with 1% tropicamide after dilation of the pupil; 10 [simple surgical reduction was successful; 4 [replacement of anterior chamber intraocular lenses; 4 [replacement of posterior chamber intraocular lenses; 3 [ Into. All the patients were followed up for 1 month to 3 years. Except for 3 [no lens, the corrected visual acuity was ≥0.05 after operation; in which ≥0.1 of 18 [≥0.5] 12 [no serious complications occurred. Conclusions Posterior chamber intraocular lens (IOL) dislocation is related to intraoperative rupture of capsulotomy, suspensory ligament rupture, improper vitrectomy, postoperative trauma and the material and type of intraocular lens. Anterior vitrectomy simply removed and then replanted, is the treatment of posterior chamber intraocular lens dislocation simple and effective method.