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1.
目的探讨外伤性白内障术前眼B超检查后囊破损情况分析。方法外伤性白内障60眼,术前采用眼B超检查评估后囊情况,在手术显微镜下白内障摘出术中直接观察后囊情况并记录。结果 24眼术前眼B超检查后囊完整,手术证实22眼后囊完整、2眼后囊小破损。26眼术前眼B超检查后囊破损,手术证实24眼后囊存在大小不等的破损、2眼后囊完整。结论外伤性白内障术前B超检查为非侵入性无痛性检查方法、操作简便,直观性强,准确率高,可用为术前了解外伤性白内障后囊破损情况的常规检查方法。  相似文献   

2.
B超对外伤性白内障后囊损伤的判定   总被引:11,自引:0,他引:11  
Zhang Y  Zhang J  Shi S 《中华眼科杂志》1998,34(4):298-299,I022
目的 应用B超术前检查外伤性白内障后囊的状态并与手术所见晶体后囊损伤进行临床对比。方法 穿通伤所致外伤性白内障44只眼,术前B超判定晶体后囊是否完整。显微镜下行外伤性白内障摘除,目测判断晶体后囊是否破损。结果 后囊完整组21只眼,术中证实后囊完整者19只眼,符合率为90.5%;后囊不完整者23只眼,术中证实后囊均存有破损,符合率为100.0%。结论 B超对术前晶体后囊状态可提供重要的参考,对手术操  相似文献   

3.
目的 应用B超术前检查外伤性白内障后囊的状态并与手术所见晶体后囊损伤进行临床对比。方法 穿通伤所致外伤性白内障48眼,术前B超判定晶体后囊是否完整。显微镜下行外伤性白内障摘除,目测判断晶体后囊是否破损。结果 后囊完整组25眼,术中证实后囊完整者22眼,符合率为88.0%;后囊不完整者23眼,术中证实后囊均存有破损,符合率为100.0%。结论 B超对外伤性白内障术前晶体后囊状态可提供重要的参考,对手术操作和选择手术方式有指导意义。  相似文献   

4.
晶状体外伤20MHz B超观察分析   总被引:2,自引:0,他引:2  
目的分析20MHz B超观察眼外伤晶状体改变中的应用价值。方法回顾性调查分析住院眼外伤患者晶状体外伤手术资料完整者15例(15眼),将术中所见晶状体情况与术前20MHz B超检查结果进行比较,分析20MHz B超的检查价值。结果经手术证实晶体状后囊完整者13例,2例手术中可见后囊破裂;经手术证实晶状体内异物2例,均与20MHz B超术前检查结果相符。手术后视力低于0.01者1眼,0.01~0.1者2眼,0.12~0.3者8眼,0.5或以上4眼,较术前明显提高。结论20 MHz超声对于晶状体外伤诊断有较高的诊断意义,可以运用于外伤性白内障晶状体囊检查,对于晶状体内异物有比较明确的诊断,同时观察晶状体内异物位置和后囊情况有助于设计手术方式。  相似文献   

5.
白内障超声乳化手术中的玻璃体脱出探讨   总被引:8,自引:0,他引:8  
本文对白内障超声乳化手术中后囊破裂的发生及有关因素进行了分析。方法:统计白内障超声乳化手术981只眼(平均年龄609岁),按手术进程分别记录后囊破裂,玻璃体外溢发生的有关情况探讨。结果:发生后囊破裂者27只眼(275%),合并玻璃体外溢者24只眼(245%),其中与撕囊有关的后囊膜破损4只眼(148%),超声乳化过程中发生后囊破损14只眼(519%),抽吸皮质2只眼(74%),人工晶体植入造成后囊破损2只眼(74%),囊袋脱位5只眼(185%)。结论:防止术中后囊破裂并提高处理能力,对于提高手术成功率和手术后效果非常重要。  相似文献   

6.
目的 探讨外伤性白内障后囊破损能否植入后房型人工晶状体。方法 对34例晶状体后囊破裂外伤性白内障,利用残余后、前囊为依托行后房型人工晶状植入术。结果 随访3~17月。34例均未出现明显的并发症,矫正视力≥0.5者28眼占82%,0.1~0.45眼占14.7%,0.051眼。经用Purkinje法检测,其偏心、倾斜与常规手术无明显差别。结论 外伤性白内障后囊破损后可以植入后房人工晶状体。  相似文献   

7.
周芳  张晓 《眼科新进展》1998,18(2):111-112
白内障摘除术后人工晶体的植入,需要有完整的后囊膜作为支撑,对于因外伤或手术造成的后囊膜破裂,若能巧妙地处理,选择适当的人工晶体植入术式,同样可获得良好的手术效果。1资料与方法1.1一般资料本组后囊不完整行人工晶体植入术患者43例51眼。男30例,女13例,年龄最小6a,最大78a。老年性白内障21眼,外伤性白内障28眼,先天性白内障2眼。老年性白内障21眼和先天性白内障2眼均在术中出现后囊破裂,裂孔<4mml6眼,裂孔>4mm7眼,有玻璃体溢人前房14眼。出现后囊破裂的环节:5眼为娩核时或娩核后…  相似文献   

8.
复杂外伤性白内障的手术治疗   总被引:1,自引:1,他引:0  
目的探讨复杂外伤性白内障手术的最佳时机、手术方法及临床效果。方法对41例(41眼)复杂外伤性白内障进行回顾性研究,分析术前B型超声像图特征,根据术中眼内情况比较两者的一致性;观察术后视力和并发症,并探讨影响术后视力恢复的相关因素。结果各种合并损伤术前B超检查符合率分别为:玻璃体浑浊100.00%,视网膜脱离88.89%,眼内异物81.82%,晶状体脱位80.00%,脉络膜脱离50.00%。术后视力〈0.05者3眼,0.05~0.25者13眼,0.3~0.5者18眼,0.6~1.0者7眼。角膜瞳孔区瘢痕、严重散光、继发性青光眼、虹膜缺损、瞳孔变形移位、瞳孔前膜、晶状体后囊浑浊是影响术后视力恢复的危险因素(P=0.00,0.01,0.02,0.02,0.01,0.00,0.02)。术后并发症主要有明显葡萄膜炎症反应者20眼、角膜水肿24眼、瞳孔前膜5眼、晶状体后囊浑浊12眼、人工晶状体移位2眼。结论复杂外伤性白内障选择手术时机及采取适当的手术方式,可取得很好的疗效,而术前B超检查为手术的选择提供良好的依据。  相似文献   

9.
外伤性白内障的手术是一项复杂的手术。严重的眼外伤后,角膜水肿或瘢痕、虹膜后粘连、血性或炎性房水等使得裂隙灯显微镜很难对晶状体及玻璃体情况进行观察。外伤性白内障术前对患眼进行特殊检查并评估,有助于手术医师制定手术方案,避免术中并发症,预估术后视觉质量。术前以CT排除眼内异物,以B超及彩色超声多普勒成像了解眼球整体情况,20 MHz B超评估晶状体后囊的完整性,以超声生物显微镜(UBM)观察晶状体悬韧带的情况。随着光学仪器发展,眼前节光相干断层扫描仪(AS-OCT)、扫频源光相干断层扫描仪(SS-OCT)、Scheimpflug成像也在一定程度上对外伤性白内障眼术前评估提供帮助。本文将对外伤性白内障术前评估作一综述。  相似文献   

10.
资料与方法1.病例选择:本组14例14眼。年龄19~62岁,男9例,女5例,右8眼,左6眼。外伤性白内障3眼,外伤性晶体半脱位5眼,老年性白内障2眼,以上10眼Ⅰ期植入,无晶体4眼为晶体囊内摘除后6~9年Ⅱ期植入。术前合并症:继发青光眼6眼,角膜挫伤4眼,玻璃体出血3眼,球内异物1眼,虹膜粘连1眼,房角损伤5眼。2.手术方法:在手术显微镜下进行,Ⅱ期植入术前卡米可林缩瞳,Ⅰ期植入先按晶体囊外摘除或晶体玻璃体切除常规进行,彻底清除前房内玻璃体,立即卡米可林缩瞳,前房内注Healon,使前房充盈,根…  相似文献   

11.
目的探讨人工晶状体二期睫状沟植入在眼球穿孔伤所致后囊破裂型外伤性白内障手术中的应用。方法我院2011年1月至2013年1月收治眼球穿孔伤所致后囊破裂型外伤性白内障82例(82眼),在一期眼球清创缝合白内障摘出联合前段玻璃体切除手术时尽量保留残余囊袋。3~6个月后行二期人工晶状体植入术。根据囊袋残留情况分为两组:A组:残留囊袋足够支撑后房型人工晶状体者(48例),进行后房型人工晶状体睫状沟植入。B组:囊袋无残留或残留囊袋无法支撑后房型人工晶状体者(34例),进行缝线固定晶状体襻于巩膜壁的后房型人工晶状体睫状沟植入。结果两组患者术后视力均有提高。B组BCVA明显低于A组。A组2例(4.17%)人工晶状体光学中心轻度偏移,4例(8.33%)体部轻度倾斜;B组6例(17.65%)人工晶状体光学中心轻度偏移,6例(17.65%)体部倾斜,其中3例(8.82%)眼球转动时有不适感。结论对于眼球穿孔伤所致后囊破裂型外伤性白内障,于一期行眼球清创缝合、白内障摘出联合前段玻璃体切除手术时尽量保留残余囊袋组织,可为二期植入人工晶状体创造良好条件。二期手术时选择后房型人工晶状体睫状沟植入术,符合人体解剖结构,稳定性好。  相似文献   

12.
成人后极性白内障的临床特点和手术技巧   总被引:1,自引:0,他引:1  
赵云娥 《眼视光学杂志》2006,8(4):255-256,259
目的评价成人后极性白内障的临床特点、手术技巧和疗效。方法回顾性分析连续病例20例30眼,总结术前术中后囊情况、手术技巧、术中并发症以及术后视力恢复情况。结果术中后囊完整透明14眼(占46.7%),病理性后囊16眼(占53.3%),其中术前后囊破裂2眼(占6.7%),中央后囊缺损1眼(占3.3%),点状混浊但保持完整8眼(占全部病例的26.7%),后极偏鼻下混浊伴原始玻璃体动脉残留但保持后囊完整1眼(占3.3%),术中后囊破裂4眼(占13.3%)。2眼在轻柔水分层时出现破裂,2眼在试图清除后囊点状混浊时破裂。26眼囊袋内植入人工晶状体,4眼睫状沟植入。术后矫正视力:0.1~0.3者7例7眼(占23.3%),0.4~0.8者2例3眼(占10%),1.0~1.2者11例20眼(占66.7%)。结论后极性白内障很可能具有后囊先天异常、后囊破裂或缺损,可能术前已经存在或术中发生,充分的术前散瞳检查、轻柔的水分层、不作后囊抛光是避免术中并发症和提高手术预后的关键。大部分患者视力均明显提高,单眼患者视力恢复较差。  相似文献   

13.
高度近视眼白内障术后并发视网膜脱离的临床分析   总被引:2,自引:0,他引:2  
目的:分析高度近视眼行白内障摘除及后房型人工晶状体植入术后并发裂孔源性视网膜脱离的发生率、相关危险因素及临床特点。方法:回顾性分析高度近视眼行白内障摘除及后房型人工晶状体植入术患者146例(232只眼)。裂孔源性视网膜脱离在术后随访的3年时间发生。所有眼均进行了详细的眼科检查,包括:最佳矫正视力、眼底检查、A超眼轴长度测量。结果:15只眼发生裂孔源性视网膜脱离(6.4%),均需行玻璃体视网膜手术进行视网膜复位。从白内障手术到发生视网膜脱离的平均时间为10±9个月(0.5~32个月)。视网膜脱离经手术治疗后视力为手动/10cm~0.06,12只眼(80%)最终视力低于白内障术前。术中后囊膜破裂与术后视网膜脱离的发生显著相关(P〈0.01),60%(9/15)的视网膜脱离患者术中发生了后囊膜破裂。结论:高度近视眼白内障术后并发裂孔源性视网膜脱离的发生率为6.4%,其预后差。术中发生后囊膜破裂患者术后发生视网膜脱离的危险性更高,对术中后囊膜破裂患者需密切随访。  相似文献   

14.
目的 回顾性分析儿童外伤性白内障摘除术后人工晶状体(IOL)固定性瞳孔夹持的原因,并探讨有效的治疗方法.方法 对14岁以下外伤性白内障的患者行白内障摘除后房犁人工晶状体植人术后固定性瞳孔夹持患者10例(10只眼),分析其发生原因及并发症,并行虹膜粘连分离,后发性白内障切除,人工晶状体复位术及前段玻璃体切割术.5只眼行IOL置换术.结果 10只眼成功完成分离虹膜与囊膜粘连并行后发性白内障切除和人工晶状体复位,术后视功能不同程度的改善.结论 外伤性白内障术后葡萄膜炎反应,瞳孔粘连,后发性白内障及周边皮质再生是引起儿童IOL固定性瞳孔夹持的重要原因.手术分离虹膜粘连、清除晶状体再生皮质并切除后发性白内障可有效复位IOL.  相似文献   

15.
目的观察玻璃体视网膜疾病伴有白内障需行玻璃体切除时保留品状体前囊和后囊的临床反应和疗效。方法30例(30眼)玻璃体视网膜疾病伴有白内障者,随机分成两组,每组15例(15眼)。A组(保留品状体后囊)行小切口白内障摘出后再行玻璃体切除,B组(保留晶状体前囊)行常规闭合式三通道手术,先在晶状体前囊下切除晶状体再行玻璃体切除术。结果术后视力均有不同程度提高,术后1周,眼压升高者:A组4例(4眼),B组1例(1眼);虹膜后粘连者:A组5例(5眼),B组0例。术后1~2个月,虹膜后粘连者:A组15例(15眼)均出现程度不一的虹膜后粘连,9例因瞳孔闭锁,虹膜高度膨隆出现继发性青光眼;B组0例且眼压均正常。结论玻璃体切除合并白内障保留晶状体前囊可以避免虹膜后粘连及其引起的继发性青光眼,并减轻了眼部组织的损伤。  相似文献   

16.
Nd-YAG posterior capsulotomy in treatment of secondary cataract has the main disadvantage of increasing the risk for pseudophakic retinal detachment by destroying the posterior lens capsule. This is of great interest in high myopic eyes with an increased risk for pseudophakic retinal detachment. In 219 cases of secondary cataract in our clinic a surgical posterior capsule polishing has been performed and this group was followed up over 6 years looking for intra- and postoperative complications. PATIENTS: The examined group included 209 myopic eyes with a bulbus length > 25 mm and 10 eyes with traumatic cataract; 24 eyes of this group had been primarily operated without a lens. The secondary cataract surgery was performed between 1990 and 1995, and the average follow-up period was 42 months. The intra- and postoperative complications were revealed retrospectively by examination of the patients in our clinic or by interviewing the patients' private doctors. RESULTS: The patients achieved a mean improvement in vision of 4 lines. In 9 cases intraoperative capsule rupture occurred (4%). In 35 of the operated eyes one or more relapses occurred during the follow-up period that made another polishing necessary (16%), and in 5 cases YAG capsulotomy was eventually performed (2%). Pseudophakic retinal detachment occurred in none of the cases. CONCLUSION: Surgical posterior capsule polishing is a low-risk procedure for treatment of regenerative secondary cataract. It is indicated especially in myopic eyes in order to reduce the risk of pseudophakic retinal detachment by conserving the posterior lens capsule.  相似文献   

17.
PURPOSE: The purpose of this study was to evaluate visual acuity and binocular function after primary posterior chamber intraocular lens (IOL) implantation in children. PATIENTS AND METHODS: A retrospective chart review of 39 eyes of 31 children was performed. Fifteen eyes with traumatic, 17 with developmental, and 7 with congenital cataracts without any other ophthalmologic problems were examined before and after cataract surgery (irrigation/aspiration procedure with implantation of a posterior chamber IOL). Twelve eyes also received a posterior capsulorrhexis and anterior vitrectomy. The mean age at surgery was 6.9 +/- 3 years (range, 3-12 years). RESULTS: Twenty (51%) of 39 eyes achieved a best-corrected postoperative visual acuity of 20/40 or better (range, 20/200-20/20). The mean postoperative visual acuity was 20/40 in the traumatic and developmental cataract groups and 20/100 in the congenital cataract group. There was a positive correlation between cataract morphology and visual acuity (P<.05). Bilateral cataracts had a better postoperative visual acuity than unilateral cataracts (P <.005). Nineteen (70%) of 27 eyes in which no primary posterior capsulorrhexis had been performed had posterior capsule opacification. Stereopsis was found in 10 of the 31 patients: 43% of the traumatic cataract group, 30% of the developmental cataract group, and 14% of the congenital cataract group. CONCLUSIONS: After capsular bag-fixated IOL, visual acuity and binocular function in children older than 3 years were favorable and the complication rate, excluding posterior capsule opacification, was low.  相似文献   

18.
PURPOSE: To evaluate effect of age over 90-ty on cataract surgery course, perioperative period and final corrected visual acuity. MATERIAL AND METHODS: A case series of 34 patients aged over 90 years (39 eyes) undergoing cataract extraction between 1993 - 2000 was studied. Detailed ophthalmological examination (best corrected visual acuity, tonometry, retinometry, anterior and posterior segment exmination, ultrasonography scan A and B), before and after operations was performed. Analyzed data was widen by internal physical examination. RESULTS: ECCE with posterior intraocular lens (IOL) in 38 eyes, and anterior IOL in 1 case (intraopertive posterior lens capsule rupture) implantation was performed. Postoperative course without complications in 35 eyes (89,7%), complications in 4 eyes (10,3%): keratopathy (2), exudative membrane (2). Improvement in visual acuity (defined as at least 2 lines in Snellen tables) was noted in 35 eyes (89,7%). Visual acuity over 0,3 was achieved in 23 eyes (58,9%), over 0,5 in 20 eyes (51,3%). Ocular comorbids: age related macular degeneration 7 eyes (17,9%), glaucomatous atrophy of optic nerve 5 eyes (12,8%), no diabetic retinopathy was diagnosed. CONCLUSIONS: 1. Advance in years is not a contradiction for cataract extraction. 2. Cataract surgery improved visual acuity: to far in 89,7%, to near in 71,8% - comparing with preopertive status. 3. Restoration of visual function, especially in persons with severe visual acuity reduction, has good impact on psychological status of patients. 4. Accurate perioperative care protects patients from serious systemic complications.  相似文献   

19.
晶状体玻璃体切除联合硅油填充术中晶状体囊的处理   总被引:3,自引:0,他引:3  
目的探讨晶状体玻璃体切除联合眼内硅油填充术中保留前囊或后囊的作用。方法用晶状体玻璃体切除联合硅油填充治疗30例30眼伴增生性玻璃体视网膜病变的视网膜脱离患者,根据白内障手术方式不同分2组。保留后囊组:13眼术前检查为非外伤性白内障行超声乳化吸出保留后囊;保留前囊组:17眼采用经睫状体平坦部晶状体切除,并保留前囊。8眼行二期后房型人工晶状体植入。结果保留后囊组:13眼均保留了完整的晶状体后囊;保留前囊组:17眼中除3眼原有晶状体前囊小破口外,14眼保留了完整的晶状体前囊。术后随访6~24月,平均9月,无1眼发生角膜变性,近期一过性高眼压3眼,8眼二期后房型人工晶状体植入位置良好。结论晶状体玻璃体切除联合硅油填充术中保留前囊或后囊可减少角膜变性、继发青光眼的发生率,并有利于二期后房型人工晶状体植入。[眼科新进展2005;25(5):442—443]  相似文献   

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