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时间:2017-12-10
《a超分段测量法在硅油填充眼并发白内障三联手术中应用》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、万方数据生国壅旦竖型苤查!Q!!堡!旦箜塑鲞箜!塑垦!堕!旦!竺!Q卫!!垦!!竺坐!堕!竺!.垫!!!!堂!Q:坐:!A超分段测量法在硅油填充眼并发白内障三联手术中应用潘颖结高丰王慧·255··论著:临床研究·【摘要】目的评价A超分段测量法对硅油填充眼进行生物测量的准确性,以及“白内障超乳摘除、硅油取出联合人工晶状体植入术”治疗硅油填充眼并发白内障的安全性及手术效果。方法临床病例系列研究。对2009年1月至2010年12月在襄阳市第一人民医院眼科选取硅油填充眼并发性白内障患者11例11只眼,术前使用A超分段测量法进行生物测量。术中经巩膜
2、隧道切口行白内障超乳摘除,经睫状体平坦部穿刺口置入20G套管针抽吸出玻璃体腔内硅油,囊袋内植入PMMA或丙烯酸酯折叠人工晶状体。随诊至术后6个月。结果术前硅油填充眼眼轴长度为22.17~29.38mm,平均(25.46+_2.20)mm。所有患者手术经过顺利,人工晶状体植入囊袋,随访至术后6月无特殊并发症发生。裸眼视力0.1~0.3者8例8只眼,0.4~0.6者3例3只眼。屈光状态(等效球镜度)介于一1.5~+0.25D之间,与目标屈光状态的平均绝对屈光误差值为(0.77+_0.32)D(0.25~1.21D)。结论“三联手术”治疗硅油填
3、充眼并发白内障安全、可靠,效果良好,“A超分段测量法”可对并发白内障的硅油填充眼进行准确的生物测量,并计算出合适的人工晶状体度数。【关键词】硅油填充眼;生物测量;A型超声;白内障;人工晶状体TheusingofA—。scanechographyinthetriplesurgerytreatingsiliconeoilcomplicatedcataractPANYing—zhe,GAOFeng,WANGHui.DepartmentofOphthalmology,XiangyangHospital,HubeiUniversityofMedic
4、ine,theFirstPeople'sHospitalofXiangyang,Xiangyang441000,ChinaCorrespondingauthor:PANYing-zhe,Email:pyz917@sina.com【Abstract】ObjectiveToevaluatetheaccuracyofthebiometryusingA-scanechographyfortheaxiallength(AL)ofsiliconeoil—filledeyes,andthesecurityofthephacoemulsification
5、combinedsili—coneoilremovalandintraocularlensimplantation.MethodsElevensiliconeoil—filledeyescombinedwithcomplicatedcataractin1patientswereincludedinthestudy.TheALsofallthesiliconeoil—filledeyeswasmeasuredwithA-scanechographybeforeoperation.Thesiliconeoilbubble’Slengthequ
6、als0.644timesthelengthmeasuredwiththesoundvelocity1532m.s一1.ThedepthofthewaterlayerbeneaththeoilbubblewasalsoincludedinthecalculationoftheALwithechogra—phy.Alloftheseeyesunderwentphacoemulsificationcombinedwithsiliconeoilremovalandintraoc—ularlensimplantation.Thedeviation
7、oftherefractionbetweenthetargetandtheactualwasas-sessedpost—operatively.ResultsALspre—surgicalmeasuredbyA—scanechographywere25.46士2.20mmr22.17-29.38mm).Alloftheoperationswereperformedsuccessfully;IOLswereplacedin·tothecapsulebag.Nocomplicationtookplaceat6months.Theuncorre
8、ctedvisualacuityafterop—erationof8patients’was0.1·0.3,andof3patients’was0.4—0.6.Therefractivebia
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