简介：目的：通过临床病例探讨和研究上睑退缩的分度,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上睑退缩患者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。

简介：我院于2007年6月29日收治1例车祸伤患者，在骨科诊治一周后，发现右眼球运动受限并复视，遂转入我科。CT示右眼眶外侧上壁粉碎性骨折并骨片突入眼眶。因影响眼球运动考虑手术治疗，取得良好效果，现报告如下。

简介：目的探讨外伤性眶周骨折的临床特点及手术治疗方法.方法对近年来手术治疗的外伤性眶周骨折患者88例进行回顾性分析.结果88例手术治疗患者中,术后随访6～12个月,绝大多数病例术后外形及功能恢复满意.结论外伤性眶周骨折必须尽快手术治疗,并在术中进行精确的复位和坚强的内固定.

简介：<正>患者,男,45岁。40天前因车祸,左侧头部遭受猛烈挤压,左侧眼球陷于眶深区、昏迷。当地医院给予面部裂伤处清创缝合。此后一直头晕、颞顶区和眼深处阵发性疼痛,右眼前黑蒙,于1992年11月收入院。检查:左侧眉弓、颧骨及内眦部均见不平整的愈合疤痕。左泪小管堵塞、嗅觉丧失。眼眶四周及颧骨区明显畸形,颧骨内陷约2cm,颞区低凹,鼻梁塌陷。左眶内软组织深陷,未能触及眼球,

简介：目的：观察4种上睑下垂术式的临床效果。方法：为探讨上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上睑，且上睑缘正好在角膜缘上2mm，术后恢复在角膜缘处。

简介：目的探讨复方樟柳碱对外伤性上睑下垂的疗效。方法将45例外伤性上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上睑下垂效果明显。

简介：目的：眶颧复合体骨折后眼球内陷的手术矫正方法及其疗效。方法：回顾性分析1999．01／2006—05我院眼科收治的45例眶颧复合体骨折合并眼球内陷患者行骨折复位和眼眶重建的手术资料和随访结果。其中早期手术11例，晚期手术34例。通过眉弓外侧切口、下睑切口、前庭沟切口和冠状切口联合人路，在建立良好咬合关系的基础上，恢复和加强眶颧复合体正常解剖结构，微型钛板坚强内固定，Medpor充填修复眶壁骨折矫正眼球内陷。45例患者术后随访12～30mo。结果：所选45例患者术后外观获得显著改善，眼球内陷矫正，复视得到改善。早期手术病例组骨折复位和功能恢复均优于晚期组。结论：眶颌颧复合体骨折手术可以恢复正常面中部外形、矫正眼球内陷和改善复视症状。早期手术更容易达到解剖复位，提高疗效。

简介：我科采用手术治疗外伤所引起的腱膜性上睑下垂患者48例，报告如下。

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.

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

简介：患者男性,66岁.因进食梗咽1个月于2001年1月入院.胃镜检查示距门齿15～20cm处菜花样新生物,中央区缺损,质硬,占管腔1/2.GI示食管上段管壁增厚,最厚处2cm管腔狭窄,无胸水征.

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：·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.·

简介：目的：探讨利用计算机图像技术虚拟再现患者三维的解剖结构，通过64层螺旋CT影像资料技术实现三维模型，用于手术前的设计和手术模拟，在重建技术下行眼眶下壁骨折的手术方法。方法：对经过筛选的30例眼眶下壁骨折患者进行计算机三维重建，并对其诊断结果进行分析、制定手术方案。结果：眶下壁骨折患者30例通过计算机三维重建后，3D影像显示骨折线的走行方向、骨折范围、位置、类型及骨折块的移位等空间信息像，对临床处理起着较明确的指导作用，手术均获得满意疗效。结论：计算机导航三维重建技术下行眶下壁骨折修复术术后重建效果良好，可显著提高手术的精确性与安全性，降低手术并发症。

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上睑缘弧度、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眼上睑内侧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。

简介：目的探讨采用提上睑肌折叠术治疗先天性上睑下垂的效果及可行性。方法对30例（40眼）中（3mm）重度下垂（≥4mm）的先天性上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上睑下垂是一种可靠有效的手术方法。

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.

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.

简介：Thekeratoprosthesis(KPro;artificialcornea)isaspecialrefractivedevicetoreplacehumancorneabyusingheterogeneousformingmaterialsfortheimplantationintothedamagedeyesinordertoobtainacertainvision.Themainproblemsofartificialcorneaarethebiocompatibilityandstabilityofthetissueparticularlyinpenetratingkeratoplasty.Thecurrentstudiesoftissue-engineeredscaffoldmaterialsthroughcomprisingcompositesofnaturalandsyntheticbiopolymerstogetherhavedevelopedanewwaytoartificialcornea.Althoughawideagreementthatthelong-termstabilityofthesedeviceswouldbegreatlyimprovedbythepresenceofcorneacells,modificationofkeratoprosthesistosupportcorneacellsremainselusive.Mostofthestudiesoncornealsubstratematerialsandsurfacemodificationofcompositeshavetriedtoimprovethegrowthandbiocompatibilityofcorneacellswhichcannotonlyreducethestimulusofheterogeneousmaterials,butalsomoreimportantlycontinuousandstablecorneacellscanpreventthedestructionofcollagenase.Thenecrosisofstromaandspontaneousextrusionofthedevice,allowformaintenanceofaprecornealtearlayer,andplaytheroleofensuringagoodopticalsurfaceandresistingbacterialinfection.Asaresult,improvementincornealcellshasbeenthemainaimofseveralrecentinvestigations;someefforthasfocusedonbiomaterialforitswellbiologicalpropertiessuchaspromotingthegrowthofcorneacells.Thepurposeofthisreviewistosummarythegrowthstatusofthecornealcellsaftertheimplantationofseveralartificialcorneas.

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上腔出血的疗效。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上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上腔积血,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例患者术中脉络膜上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上腔出血,达到理想疗效。