简介:目的探讨小瞳孔状态下行小切口碎核白内障摘除联合人工晶体植入术的临床疗效。方法回顾性分析2011年7月至2013年7月在我院行小切口碎核自内障摘除联合人工晶体植入术的小瞳孔白内障患者28例(28眼),术中根据患者实际情况,分别采用粘弹剂推注力钝性分离及虹膜切开法扩大瞳孔,术后随访1至6个月,重点观察记录患者术后并发症、视力及瞳孔状态。结果术后随访28例患者视力均有不同程度提高,术后1月视力0.1—0.3者6例,〉0.3者22例,其中〉0.6者占10例,除1例患者术后瞳孔上移、1例瞳孔不规则散大,余26例眼瞳孔均恢复正圆状态,直径2.5—4mm,所有患者均无严重并发症发生。结论小瞳孔状态下行小切口碎核白内障摘除联合人工晶体植入术,术中利用粘弹剂推注力钝性分离及虹膜切开法扩大瞳孔是一种安全有效的手术方法。
简介:AIM:Toexaminethemechanismofthedevelopmentofpseudoexfoliation(PSX)syndromeviabothcytokineformationandendothelialvasorelaxingandgrowthfactorsthatwillprovideusnewtherapeuticinsightsforthetreatment.METHODS:Thisisacrosssectionalstudyincludedtwogroups;Group1:controlpatientswithnuclearcataract(n=20,aged51-80years).Group2:PSXpatientswithnuclearcataract(n=18,aged50-90years).Patientswithotherophthalmicproblemsandsystemicdiseaseswereexcluded.Vascularendothelialgrowthfactor(VEGF),interleukin-6(IL-6)andinterleukin-1β(IL-1β)andnitrotyrosinelevelsweredeterminedthroughserumsamplesbyEnzyme-linkedimmunosorbentassay(ELISA)method.Nitrite-nitratelevelsweremeasuredwithphotometricendpointdetermination.RESULTS:Therewerenosignificantdifferencesbetweenthegroupsintermsofage,VEGF,IL-1β,nitrite-nitrateandnitrotyrosine.ThesignificantresultswerethemeanIL-6levelsthatwerehigherinPSXgroup2(37.68±29.52pg/mL)comparedtothatincontrolgroup1(15.32±10.08pg/mL)(P<0.001).CONCLUSION:SeveralinteractingandextendingbiochemicalpathwaysmayleadtothepromotionofVEGFandIL-6expressions.IL-6whichistheonlyalteredmarkerinourstudymayindirectlycauseanincreaseofvascularpermeabilityandneovascularization.WesuggestinflammationasafactorthatcanbeinvolvedinetiopathogenesisofPSX.
简介:目的:分析小切口白内障摘除人工晶状体植入术后低视力的相关因素。方法:回顾性分析我院2011-07/2012—07间白内障患者291例291眼,对其行小切口白内障囊外摘除联合人工晶状体植入术,最佳矫正视力低于0.3者诊断为低视力,并分析其发生原因。结果:患者291例术后共发生低视力49眼,其中手术所致术后低视力17眼(34.7%),术前病变所致术后低视力32眼(65.3%),其中年龄相关性黄斑变性8眼、糖尿病视网膜病变14眼、高度近视6眼,其他4眼。结论:原有眼病是术后低视力的主要原因,术前仔细检查可以提高手术的可预测性。
简介:AIM:Topresentretinalmicrostructure,metabolismandfunctionabnormalitiesinthecourseofmultipleevanescentwhitedotsyndrome(MEWDS)byHeidelbergspectralismodalityimagingplatformandobserveitsoutcomebyEDI-SD-OCTandtwowavelengthautofluorescence.METHODS:Acaseofmultipleevanescentwhitedotsyndromeina23-year-oldfemalepresentedinitiallywitha15-dayhistoryoffloatersandacentralscotomaintherighteye.Toestablishthediagnosis,multimodalityimagingwasperformed,namely,bluelight-fundusautofluorescence(BL-FAF,excitation488nm,emission>500nm),near-infraredfundusautofluorescence(NIR-FAF,excitation787nm,emission>800nm)usingaconfocalscanninglaserophthalmoscope,fundusfluoresceinangiography(FFA),indocyaninegreenangiography(ICGA),spectrum-domainenhancedepthimagingopticalcoherencetomography(SD-EDI-OCT),multifocalelectroretinography(mf-ERG)andfundusphotograghwereperformedandfollowedupattheeighthmonthafterinitiallyvisiting.RESULTS:Opticalcoherencetomography(OCT)showedatransientdisruptionofthefovealphotoreceptoroutersegmentsincorrespondencetofovealgranularity.NIR-FAFshowedhypoautofluorescentareas,≤40μminsize,mostlyconcentratedaroundtheposteriorpoleanditstemporalsidelessthanthatinBL-FAF.Mf-ERGshowpinnacledisappearedinfoveaandmaculaandresponsesdecreasedmarkedlycomparedwiththefolloweye.Attheeighthmonthfollowup,hyperfluorescenceinBL-FAFweredisappear,while,NIR-FAFHypofluorescentspotsinearlystageofsuchlesionwerereduced.ButOCTdemonstratedthestructurewasrecoveredinresidualHypofluorescentareainNIR-FAF.Thesubfovealchoroidalthicknesswasdecreasedfrom372μmto307μmslightlyandcostlinewasrecovered.CONCLUSION:MEWDSisabenignself-healingdiseaseandthereisnopathologicalevidencetoinvestigatethenaturalcourseofsuchdisease.SD-OCTallowshighlydetailedimagesapproachinghistopathologytocertifythemicrostructura
简介:目的应用新型泪道引流管治疗泪小管断裂,恢复泪道引流通路.方法对30例泪小管断裂患者使用新型泪道引流管作为支撑管行泪小管吻合术,将引流的两端探子分别从上、下泪点插入泪道,通过泪管断端经过鼻泪管至下鼻道开口处,在鼻腔内窥镜直视下,用镊子触及并取出探子于鼻腔外,在探子与硅胶管交界处剪断硅胶管,两端硅胶管在鼻腔内打结留置于鼻腔.术后3月或0.5a拔管.并与以往用硬膜外麻醉管做支架的疗效进行比较.结果30例患者均于植管后3~7d内症状消失,29例拔管后达到治愈标准,无泪管豁开、下睑外翻或泪点外翻等并发症.治疗效果明显优于以硬膜外麻醉管作支架管吻合组.结论新型泪道引流管作为泪小管断裂吻合支撑管,伤口愈合快,成功率高,值得推广使用.