Cases involving spontaneous aphakic change in the visual axis are rare in Outpatient Clinics. However, we can often ascertain the past events affecting the patient＇s eye by examining its current status. The placement...Cases involving spontaneous aphakic change in the visual axis are rare in Outpatient Clinics. However, we can often ascertain the past events affecting the patient＇s eye by examining its current status. The placement of the dislocated internal material of the lens, the remnant lens capsular bag status, lens and zonular status of the contralateral eve.展开更多
AIM:To report incidence,indications,and visual outcomes of intraocular lens(IOL)exchange/explantation surgery.METHODS:Retrospective analysis of 60 eyes requiring IOL exchange/explantation surgery between 1^(st) Januar...AIM:To report incidence,indications,and visual outcomes of intraocular lens(IOL)exchange/explantation surgery.METHODS:Retrospective analysis of 60 eyes requiring IOL exchange/explantation surgery between 1^(st) January 2017 and 31^(st) December 2022.The overall outcomes as well as comparison between the trainee versus experienced surgeons were analyzed.RESULTS:Out of 39778 cataract surgeries(with no preexisting ocular co-morbidities)during a six-year period(2017-2022),60(0.15%)needed IOL exchange/explantation.Surgeons-under-training performed 36/60 cases(60%)while 24/60(40%)were by experienced surgeons.The commonest indication was subluxated IOL in 26(43.3%),followed by dislocated IOL in 20(33.3%),postoperative refractive surprise in 7(11.6%),IOL induced uveitis in five and broken haptic in two eyes.Twenty-four(40%)eyes had intraoperative complications during primary surgery.Posterior chamber IOL(PCIOL)was the commonest secondary IOL in 21(35%)eyes,scleral fixated in 20(31.6%),anterior chamber IOL(ACIOL)in 13(21.6%),iris fixated IOL in three(5%)and three eyes(5%)were left aphakic.The mean time between primary and secondary surgery was 168d(168±338.8).Best corrected visual acuity(BCVA)of>20/60 was obtained in 43 eyes(71.66%),20/80-20/200 in 14(23.33%),20/250 in two and hand movements in one.No statistically significant difference in visual outcome was noted at post-op one month between trainees versus experienced surgeons(UCVA 0.45±0.29 vs 0.53±0.32,P=0.20,BCVA 0.34±0.25 vs 0.37±0.26,P=0.69).CONCLUSION:IOL subluxation as the commonest indication and posterior capsular rupture is the commonest intraoperative risk factor.This complication can be effectively addressed with selection of the appropriate secondary IOL achieving good visual outcomes in over 70% of patients.展开更多
目的探讨高度近视眼白内障术后晚期自发性人工晶状体囊袋复合体脱位的发病机制、临床特点、治疗方法及预后。方法纳入北京同仁医院2006年9月—2017年9月收治高度近视眼白内障术后晚期自发性人工晶状体囊袋复合体脱位患者15例(15只眼)进...目的探讨高度近视眼白内障术后晚期自发性人工晶状体囊袋复合体脱位的发病机制、临床特点、治疗方法及预后。方法纳入北京同仁医院2006年9月—2017年9月收治高度近视眼白内障术后晚期自发性人工晶状体囊袋复合体脱位患者15例(15只眼)进行回顾性研究。观察发病时间、诱发因素、术前眼部情况、治疗方法等。结果(1)基本情况:15例患者中,男6例,女9例,男女比例为2:3;左眼10只,右眼5只,左右眼比例为2:1;年龄39~73岁,平均(57.00±9.19)岁;眼轴长度为26.22~34.81 mm,平均(29.76±2.76)mm;自发性人工晶状体囊袋复合体脱位发生时间最短为术后1年,最长为术后11年,平均(5.40±3.03)年。(2)伴随情况:糖尿病患者4例(26.67%),高血压患者6例(40.00%),另外5例无全身系统疾病(33.33%)。(3)诱发因素:1例有持重物史(6.67%),其余14例中发病均无明显诱发因素(93.33%)。(4)术前情况:矫正视力为眼前指数~0.4;平均眼压为13.6 mm Hg。(5)治疗方法:除3例患者因自身原因未手术外(20.00%),12例均行手术治疗。2例行玻璃体切除联合人工晶状体取出术(13.30%),未悬吊人工晶状体;6例行玻璃体切除联合原人工晶状体悬吊术(40.00%);4例行玻璃体切除联合人工晶状体取出及眼内光凝术,未悬吊人工晶状体(26.70%)。(6)术后情况:术后恢复较好,无并发症出现。结论高度近视眼白内障术后晚期自发性人工晶状体囊袋复合体脱位与晶状体悬韧带断裂和晶状体囊袋收缩关系密切。手术积极处理可挽救一定视力。展开更多
文摘Cases involving spontaneous aphakic change in the visual axis are rare in Outpatient Clinics. However, we can often ascertain the past events affecting the patient＇s eye by examining its current status. The placement of the dislocated internal material of the lens, the remnant lens capsular bag status, lens and zonular status of the contralateral eve.
文摘AIM:To report incidence,indications,and visual outcomes of intraocular lens(IOL)exchange/explantation surgery.METHODS:Retrospective analysis of 60 eyes requiring IOL exchange/explantation surgery between 1^(st) January 2017 and 31^(st) December 2022.The overall outcomes as well as comparison between the trainee versus experienced surgeons were analyzed.RESULTS:Out of 39778 cataract surgeries(with no preexisting ocular co-morbidities)during a six-year period(2017-2022),60(0.15%)needed IOL exchange/explantation.Surgeons-under-training performed 36/60 cases(60%)while 24/60(40%)were by experienced surgeons.The commonest indication was subluxated IOL in 26(43.3%),followed by dislocated IOL in 20(33.3%),postoperative refractive surprise in 7(11.6%),IOL induced uveitis in five and broken haptic in two eyes.Twenty-four(40%)eyes had intraoperative complications during primary surgery.Posterior chamber IOL(PCIOL)was the commonest secondary IOL in 21(35%)eyes,scleral fixated in 20(31.6%),anterior chamber IOL(ACIOL)in 13(21.6%),iris fixated IOL in three(5%)and three eyes(5%)were left aphakic.The mean time between primary and secondary surgery was 168d(168±338.8).Best corrected visual acuity(BCVA)of>20/60 was obtained in 43 eyes(71.66%),20/80-20/200 in 14(23.33%),20/250 in two and hand movements in one.No statistically significant difference in visual outcome was noted at post-op one month between trainees versus experienced surgeons(UCVA 0.45±0.29 vs 0.53±0.32,P=0.20,BCVA 0.34±0.25 vs 0.37±0.26,P=0.69).CONCLUSION:IOL subluxation as the commonest indication and posterior capsular rupture is the commonest intraoperative risk factor.This complication can be effectively addressed with selection of the appropriate secondary IOL achieving good visual outcomes in over 70% of patients.
文摘目的探讨高度近视眼白内障术后晚期自发性人工晶状体囊袋复合体脱位的发病机制、临床特点、治疗方法及预后。方法纳入北京同仁医院2006年9月—2017年9月收治高度近视眼白内障术后晚期自发性人工晶状体囊袋复合体脱位患者15例(15只眼)进行回顾性研究。观察发病时间、诱发因素、术前眼部情况、治疗方法等。结果(1)基本情况:15例患者中,男6例,女9例,男女比例为2:3;左眼10只,右眼5只,左右眼比例为2:1;年龄39~73岁,平均(57.00±9.19)岁;眼轴长度为26.22~34.81 mm,平均(29.76±2.76)mm;自发性人工晶状体囊袋复合体脱位发生时间最短为术后1年,最长为术后11年,平均(5.40±3.03)年。(2)伴随情况:糖尿病患者4例(26.67%),高血压患者6例(40.00%),另外5例无全身系统疾病(33.33%)。(3)诱发因素:1例有持重物史(6.67%),其余14例中发病均无明显诱发因素(93.33%)。(4)术前情况:矫正视力为眼前指数~0.4;平均眼压为13.6 mm Hg。(5)治疗方法:除3例患者因自身原因未手术外(20.00%),12例均行手术治疗。2例行玻璃体切除联合人工晶状体取出术(13.30%),未悬吊人工晶状体;6例行玻璃体切除联合原人工晶状体悬吊术(40.00%);4例行玻璃体切除联合人工晶状体取出及眼内光凝术,未悬吊人工晶状体(26.70%)。(6)术后情况:术后恢复较好,无并发症出现。结论高度近视眼白内障术后晚期自发性人工晶状体囊袋复合体脱位与晶状体悬韧带断裂和晶状体囊袋收缩关系密切。手术积极处理可挽救一定视力。
