学科分类
/ 2
30 个结果
  • 简介:目的:通过临床病例探讨和研究睑退缩的分度,及选择不同的手术方案,并观察手术治疗效果,以便对不同患者提供更加有效的治疗方案。方法:回顾性总结2000-11/2010-12睑退缩患者98例146眼,对其病情程度进行分度及根据其分度选择不同的手术治疗,观察其手术疗效。结果:针对不同分度选择适宜的手术方法,可以有效矫正眼睑退缩。结论:眼睑退缩由于病因及眼睑退缩的程度进行分度,对不同类型患者实施个性化手术,规范眼睑退缩临床治疗路径,填补国内同种疾病的诊断和治疗方法的空白。

  • 标签: 上睑退缩 分度 手术治疗 疗效
  • 简介:目的:观察4种睑下垂术式的临床效果。方法:为探讨睑下垂术的有效治疗方法,不断改进手术方式。结果:每种手术均有其优点及并发症,提上睑肌折叠术为目前较为理想的手术方法。结论:临床实践提上睑肌折叠术与以往专家理论:提上睑肌节制韧带上每缩短3~5mm肌肤,可矫正下垂量1mm不同:在节制韧带上缘折叠提上睑肌腱膜即可提起睑,且睑缘正好在角膜缘2mm,术后恢复在角膜缘处。

  • 标签: 上睑下垂 提上睑肌折叠术 节制韧带上缘
  • 简介:目的观察自闭式巩膜隧道小切口白内障手术后角膜水肿的发生率,并分析发生原因.方法以我院收治的108例(113只眼)安徽省霍山县民生工程贫困白内障患者为研究对象,所有患者均采用自闭式巩膜隧道小切口现代囊外摘除联合人工晶体植入术治疗.统计患者术后1d、3d、1周、1个月角膜水肿的发生率,并分析发生原因.结果本组108例(113只眼)患者行手术治疗后,术后1d、3d、1周、1个月角膜水肿的发生率依次为10.6%、7.08%、0.88%、0.患者术后发生角膜水肿的原因主要有:大核硬核,器械损伤,内切口靠前、娩核困难,灌注液压力过高、暂时性眼压升高.结论自闭式巩膜隧道小切口白内障手术后角膜水肿的发生率较低,通过提高手术技巧有利于降低术后角膜水肿的发生率.

  • 标签: 白内障 自闭式巩膜隧道小切口白内障手术 角膜水肿
  • 简介:目的采用隧道式切口制作巩膜瓣.方法对90例120只眼青光眼进行治疗.取得了很好的疗效.结果120只眼在术后1-2天前房形成97只眼,经过按摩后使前房形成的10只眼,经加压包扎等处理后恢复前房的13只眼.随访8个月~3年,弥散扁平型滤过泡113只眼;包囊性过滤泡5只眼;滤枕扁平无滤过功能2只眼.眼压控制:111只眼眼压在12~18mmHg之间,9只眼眼压高于25mmHg.结论巩膜瓣制作切面光滑及厚度均匀与否对于巩膜瓣的粘连有一定的关系.采用白内障隧道刀制作巩膜瓣具有取材方便,制作简便,滤过效果好等优点.

  • 标签: 青光眼 小梁手术 隧道切口
  • 简介:目的探讨复方樟柳碱对外伤性睑下垂的疗效。方法将45例外伤性睑下垂患者随机分为两组都给予改善微循环营养神经治疗,试验组加用复方樟柳碱,观察两组的疗效。结果试验组26例,16例达治愈标准,8例好转,2例无效。对照组19例,7例达治愈标准,4例好转,8例无效。两组比较,差异有显著意义(〈0.05)。结论复方樟柳碱对于外伤性睑下垂效果明显。

  • 标签: 复方樟柳碱 外伤 上睑下垂
  • 简介:目的探讨隧道式小切口白内障囊外摘除后房型人工晶体植入联合小梁切除术(即小切口三联术)的临床效果。方法不同类型的青光眼伴白内障患者38例42眼,行隧道式小切口白内障囊外摘除后房型人工晶体植入联合小梁切除术,术后随访6-24月,平均12.5月,对视力,眼压,滤过泡及并发症进行临床观察。结果术后随访视力≥0.5者26眼,占61.9%;0.2-0.4者9眼,占21.4%,视力〈0.2者7眼,占16.7%。眼压控制在正常范围(〈21mmHg)38眼,占90.5%,4眼术后眼压在21-24.38mmHg,用噻吗洛尔眼水滴眼,眼压可控制正常。功能性滤过泡占80.9%,无严重并发症。结论隧道式小切口白内障摘除及后房型人工晶体植入联合小梁切除是既有效,又经济的治疗方法,值得推广。

  • 标签: 隧道切口 囊外摘除 小梁切除术
  • 简介:AIM:Todeterminetheproliferativepotentialandthemaintenanceofstemcellactivityinstoredhumanlimbaltissues,andcorrelatethiswiththepreservationtime,cellviabilityandtheexpressionofstemcellmarkers.METHODS:Thirtylimbalrimsweresplitinto4partsandstoredincornealpreservationmediumat4℃for0,1,4,or7days.ThelimbalstemcellandmitoticmarkersP63,CK19,proliferatingcellnuclearantigen(PCNA),andKi67weredeterminedbyimmunohistochemicalstaining.Theproliferativepotentialoflimbalepithelialcellswasassessedbycellviability,theabilityofgeneratingstratifiedepithelium,andcolonyformingassay.RESULTS:Thestoredtissuesmaintainedlimbalstratifiedstructureto7daysandexhibitedcomparableexpressionlevelofstemcellandmitoticmarkers.Theproportionofviablecellsdecreasedwiththeprolongedpreservationtime,whilecolonyformingefficiencydecreasedfromthe1stdayanddisappearedatthe4thday.Wheninoculatedonamnioticmembrane,thecellspreservedfor1dayformedastratifiedepithelium,whilethecellsfrom4days’preservationformedadiscontinuouslayer.CONCLUSION:Thecolonyformingefficiencyoflimbalepithelialstem/progenitorcellsdecreasedrapidlywiththeincreasingpreservationtime,whiletheexpressionlevelofmarkersandcapacityofformingepithelialmonolayeronamnioticmembranedecreasedgradually.Thelimbalepithelialstemcellslosttheirfunctionearlierthanthelostexpressionlevelofstemcellmarkers.Thismayhelpustobetterchoosetheappropriatepreservationgraftsforfuturelimbalstemcelltransplantation.

  • 标签: limbal EPITHELIAL cells PROLIFERATIVE potential COLONY
  • 简介:病例介绍病例1:患者,男,47岁。因右眼突然视力下降伴下方黑幕遮挡4天入院。原双眼有高度近视-14.00DS,入院时全身体检(-)。视力:右眼无光感,陈旧性视网膜脱离;左眼0.05(矫正)。左眼前节(-),眼底见9:30~4:00视网膜脱离,隆起度较高,累及黄斑区,颞上方约1:00时钟见一2PD大小马蹄孔。入院后第二天局部麻醉下行左眼冷凝加外加压加环扎术,外加压块、环扎带均位于赤道区,无放液并发症,手术顺利。术后第一天查眼底见脱离的

  • 标签: 玻璃体手术 暴发性脉络膜上腔出血 外科手术 手术入路 病例报告
  • 简介:目的探讨角膜隧道切口前房冲洗术治疗创伤性前房积血的疗效和临床价值。方法对我院自2005年1月至2010年6月收治27例严重创伤性前房积血患者行角膜隧道切口前房冲洗术。观察术中并发症,术后视力,眼压。结果27例均一次清除完前房积血,无术中并发症,术中虹膜无脱出。术后随访6月,矫正视力0.8以上者7例,0.3-0.8者16例,0.05-0.3有4例,23例低于21mmHg。结论角膜隧道切口前房冲洗术操作简单,手术损伤小,是安全有效的手术方法。

  • 标签: 前房积血 手术并发症 角膜隧道切口治疗
  • 简介:目的:探讨隧道刀制作双层巩膜瓣并切除层间巩膜瓣的青光眼小梁切除术的临床疗效。方法:采用随机分组方法,将46例60眼青光眼患者分为治疗组24例32眼和对照组22例28眼。前者用隧道刀制作双层巩膜瓣,浅层巩膜瓣大小约为5mm伊5.5mm,1/3巩膜厚度,瓣下再做一大小约3.5mm伊4mm的巩膜瓣,1/3巩膜厚度,切除中间层的巩膜瓣,切除2mm伊2mm小梁组织,常规行虹膜周边切除,可调节缝线缝合浅层巩膜瓣,缝合球筋膜、球结膜;后者行常规青光眼小梁切除术。结果:术后随访1a,治疗组视力明显优于对照组,两组比较差异有统计学意义(P〈0.05)。两组患者术后眼压均明显低于术前眼压。术后1,3mo时,两组患者的眼压比较差异无统计学意义(P〉0.05),但术后6,12mo检查发现,治疗组患者的眼压明显低于对照组,差异有统计学意义(P〈0.05)。术后1a治疗组和对照组的累积完全成功率分别为90.63%和75%,两组的累积条件成功率分别为96.88%和89.29%,两组比较差异有统计学意义(均P〈0.05)。结论:隧道刀制作双层巩膜瓣并切除层间巩膜瓣的小梁切除术降眼压效果好,巩膜瓣厚薄均匀、表面光滑,滤过泡功能维持时间长,术后并发症少,适用于多种类型的青光眼,值得临床推广。

  • 标签: 隧道刀 双层 巩膜瓣 青光眼 小梁切除术
  • 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

  • 标签: MEWDS Spectralis OCT NIR-FAF BL-FAF mf-ERG
  • 简介:·AIM:Tostudytheeffectsofdanhonghuayukoufuye(DHK)onfastingbloodglucose(FBG)anddiabeticretinopathy(DR)instreptozotocin(STZ)-inducedtype1diabeticratstofacilitatetherationalusageofthisdrug.·METHODS:DiabeticratswereinducedbyinjectionofasingledoseofSTZintraperitoneallyat50mg/kg.Flashelectroretinogram(FERG)andoscillatorypotentials(OPs)wereusedtomeasureretinalfunction.Themicrovascularperfusionofearswasperformedtostudythemicrocirculationinrats.FBG,body-weight,and24-hurinevolume,waterintakeanddietintakewerealsoassessed.·RESULTS:DHKhadnoeffectonFBGinnormalrats.However,STZ+DHKgroupweresignificantlydifferentfromthoseofModelandmovedtowardthoseofnormalcontrol.Itreversedtheincreaseindietintake(P≤0.05vsmodelcontrol)andthelossinbody-weight(P≤0.05vsmodelcontrol)indiabeticrats.DHKdecreasedtheFBGofdiabeticratsby25.6%(P≤0.05)and37.9%(P≤0.01)after14and21daysadministrationascomparedwiththemodelcontrol,respectively.Moreover,DHKsignificantlyincreasedtheFERGb-waveamplitudeby80%(P≤0.05vsmodelcontrol)anddecreasedtheFERGb-wavelatencyby15.3%(P≤0.01vsmodelcontrol)after24daysadministration.TheOP1andOP2amplitudesinDHKgroupwere2.6(P≤0.01)and2.0(P≤0.01)timesofmodelgroupafter24daysofDHKtreatment,respectively.Atthesametime,OP1andOP2latenciesinDHKgroupreducedby16.0%(P≤0.001)and14.7%(P≤0.001)ascomparedwiththemodelcontrol,respectively.Furthermore,themicrovascularperfusionofDHKgroupwas2.4timesofmodelgroup(P≤0.001)after21daysadministration.·CONCLUSION:DHKhadnoeffectonnormalFBG.Butithadantihyperglycemicactivity,andhadapreventiveandtherapeuticeffectonDRindiabeticrats.·

  • 标签: DANHONG huayu koufuye DIABETIC RETINOPATHY STREPTOZOTOCIN
  • 简介:目的:探讨改良式额肌腱膜瓣悬吊术矫治儿童重度上睑下垂的长期临床疗效。方法:回顾性分析2009-01/2011-12在我科收治的儿童重度上睑下垂患者83例114眼,采用改良式扇形额肌腱膜瓣悬吊术进行矫治,分析术后上睑下垂矫正效果和睑缘弧度、重睑形成及倒睫、结膜脱垂等并发症发生情况。随访观察5a。结果:术后第5a,矫正满意和基本矫正者共有84眼(73.7%),部分矫正30眼(26.3%),手术效果满意。术后并发症包括倒睫4眼(3.5%),其中3例3眼睑内侧1/3灰线处缝牵引缝线牵引lwk后消失,1例1眼行二次手术;结膜脱垂2眼(1.8%),应用皮质类固醇激素眼药水点眼,加压包扎lwk后结膜脱垂均消失;术后无1例发生暴露性角膜炎、眼睑外翻、睑球分离、眼睑成角畸形、血肿形成、感染等并发症。术后上睑回退和外侧重睑皱襞消失是长期随访最常见的问题。结论:改良式额肌腱膜瓣悬吊术矫治儿童重度上睑下垂长期疗效满意,效果持久稳定,安全可靠。

  • 标签: 上睑下垂 额肌腱膜瓣悬吊术 长期随访
  • 简介:目的探讨采用提上睑肌折叠术治疗先天性睑下垂的效果及可行性。方法对30例(40眼)中(3mm)重度下垂(≥4mm)的先天性睑下垂行提上睑肌折叠术。结果本组30例(40眼),随访2个月-1年,除2只眼发生轻度回退外,无未矫正病例,无穹窿部结膜脱垂,无暴露性角膜炎等并发症出现。结论提上睑肌折叠术治疗先天性睑下垂是一种可靠有效的手术方法。

  • 标签: 提上睑肌折叠术 先天性上睑下垂
  • 简介:AIM:ToinvestigatetheeffectofY-27632onthesurvivalandneuriteoutgrowthoftheculturedretinalneurocytes.METHODS:Afterthepostnatalday2-3,Sprague-Dawleyretinalneurocyteswereculturedfor48hours,theculturemediawasreplacedwithserum-freemedia(controlgroup)andserum-freemediacontained30μmol/LY-27632(Y-27632group),andthecellswerecontinuallyculturedanother48hours.Theculturedretinalneurocyteswereidentifiedwithanti-neuronspecificenolase(NSE)immunocytochemistry.ThesurvivalstateofthosecellswasestimatedbyMTTassay,andtheneuriteoutgrowthofthosecellswasevaluatedbythecomputerizedimage-analysissystem.RESULTS:Comparedwiththecontrolgroup,theabsorbancevaluesofcellssurvivalinY-27632groupincreased12.90%and33.33%respectivelyafter72and96hoursculture.Y-27632hadnosignificanteffectonthediameterofculturedretinalneurocytes.Comparedwiththecontrolgroup,Y-27632inducedastableimprovementofneuriteoutgrowthofretinalneurocytesafter72and96hoursculture(P=0.001).CONCLUSION:Y-27632couldpromotethesurvivalandneuriteoutgrowthoftheearlypostnatalculturedretinalneurocytes.

  • 标签: Y-27632 RETINAL neurocytes cell CULTURE NEURITES
  • 简介:AIM:ExcessivedissolveofcornealtissueinducedbyMMPswhichwereactivatedbycytokinsandchemokineswillleadtocornealulcer.ThemolecularmechanismofLipoxinA4(LXA4)oncornealcollagendegradationinthreedimensionswasinvestigated.·METHODS:Rabbitcornealfibroblastswereharvestedandsuspendedinserum-freeMEM.TypeIcollagen,DMEM,collagenreconstitutionbufferandcornealfibroblastsuspensionweremixedonice.Theresultantmixturesolidifiedinanincubator,afterwhichtestreagentsandplasminogenwasoverlaidandthecultureswerereturnedtotheincubator.Thesupernatantsfromcollagengelincubationswerecollectedandtheamountofhydroxyprolineinthehydrolysatewasmeasured.ImmunoblotanalysisofMMP-1,-3andTMMP-1,-2wasperformed.MMP-2,-9wasdetectedbythemethodofGelatinzymography.Cytotoxicityassaywasmeasured.RESULTS:LXA4inhibitedcornealcollagendegradationinadoseandtimemanner.LXA4inhibitedtheIL-1βinducedincreasesinthepro-MMP-1,-2,-3,-9andactiveMMP-1,-2,-3,-9inaconcentrationdependentmanner.LXA4alsoinhibitedtheIL-1βinducedincreasesinTIMP-1,-2.CONCLUSION:Asapotentanti-inflammationreagent,LXA4caninhibitcornealcollagendegradationinducedbyIL-1βincornealfibroblaststhusinhibitingcornealdissolvingpathologyprocess.

  • 标签: LXA4 IL-1Β CORNEA COLLAGEN DISSOLUTION
  • 简介:Thekeratoprosthesis(KPro;artificialcornea)isaspecialrefractivedevicetoreplacehumancorneabyusingheterogeneousformingmaterialsfortheimplantationintothedamagedeyesinordertoobtainacertainvision.Themainproblemsofartificialcorneaarethebiocompatibilityandstabilityofthetissueparticularlyinpenetratingkeratoplasty.Thecurrentstudiesoftissue-engineeredscaffoldmaterialsthroughcomprisingcompositesofnaturalandsyntheticbiopolymerstogetherhavedevelopedanewwaytoartificialcornea.Althoughawideagreementthatthelong-termstabilityofthesedeviceswouldbegreatlyimprovedbythepresenceofcorneacells,modificationofkeratoprosthesistosupportcorneacellsremainselusive.Mostofthestudiesoncornealsubstratematerialsandsurfacemodificationofcompositeshavetriedtoimprovethegrowthandbiocompatibilityofcorneacellswhichcannotonlyreducethestimulusofheterogeneousmaterials,butalsomoreimportantlycontinuousandstablecorneacellscanpreventthedestructionofcollagenase.Thenecrosisofstromaandspontaneousextrusionofthedevice,allowformaintenanceofaprecornealtearlayer,andplaytheroleofensuringagoodopticalsurfaceandresistingbacterialinfection.Asaresult,improvementincornealcellshasbeenthemainaimofseveralrecentinvestigations;someefforthasfocusedonbiomaterialforitswellbiologicalpropertiessuchaspromotingthegrowthofcorneacells.Thepurposeofthisreviewistosummarythegrowthstatusofthecornealcellsaftertheimplantationofseveralartificialcorneas.

  • 标签: artificial CORNEA KERATOPROSTHESIS tissue-engineered SCAFFOLD CORNEAL
  • 简介:目的评价不增加切口的20G标准三通道玻璃体手术治疗严重眼外伤脉络膜腔出血的疗效。方法对2011年10月至2014年10月间我科收治的29例(29眼)严重眼外伤合并脉络膜腔出血的病人采取玻璃体手术治疗,置灌注后,通过板层的20G玻切穿刺口引流脉络膜腔积血,再通过此切口行玻璃体手术,处理玻血和或网膜损伤,术终眼内填充气体或硅油。结果25例患者术中脉络膜腔出血充分引流完全复位,4例患者残留少量积血,表现为小块脉络膜隆起,注入硅油后,术后一月复查网膜复位。所有患者术后视力均有改善。结论采用不增加切口的三通道玻切的巩膜切口可以有效引流外伤性脉络膜腔出血,达到理想疗效。

  • 标签: 玻璃体切除术 脉络膜上腔出血 巩膜切开术