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  • 简介:英文摘要是应用符合英文语法文字语言,以提供文献内容梗概为目的,不加评论补充解释,简明、确切地阐述文献重要内容短文。本刊每篇论著需附简短英文摘要,包括4个要素,即“Objective”,“Methods”,“Results”,“Conclusions”,不宜超过250个实词,写作要求如下。

  • 标签: 英文摘要 写作 文字语言 英文语法 文献
  • 简介:角膜缘干细胞为正常角膜上皮自我更新提供了来源,维持眼表稳态起到了极为重要作用。近年来,随着对成体干细胞认识加深以及生物组织工程学发展,培养口腔黏膜细胞片移植已成为治疗角膜缘干细胞缺损方法之一。本文就其培养方法、细胞片表型临床应用结果进展进行综述。

  • 标签: 角膜缘干细胞缺损 口腔黏膜上皮细胞 载体 表型特征 最佳矫正视力 新生血管化
  • 简介:目的:探讨Avastin与Lucentis人脐静脉血管内皮细胞(humanumbilicalveinendothelialcells,HUVEC)增殖迁移影响,了解其抑制血管生成途径。方法:采用MTT比色法研究相同浓度Avastin与LucentisHUVEC增殖作用差异;Transwell小室检测相同浓度Avastin与LucentisHUVEC迁移作用差异。结果:MTT比色法显示,各浓度Avastin组、Lucentis组与对照组相比,吸光度值具有统计学差异(P〈0.05),相同浓度Avastin组与Lucentis组吸光度值无统计学差异(P〉0.05);Transwell分析方法显示,各浓度Avastin组、Lucentis组与对照组相比,HUVEC迁移率具有统计学差异(P〈0.05),相同浓度Avastin组与Lucentis组HUVEC细胞迁移率无统计学差异(P〉0.05)。结论:Avastin与Lueentis均可以抑制HUVEC增殖迁移:随着药物浓度增加,HUVEC增殖迁移抑制作用增强;相同浓度Avastin与Lucentis体外实验HUVEC增殖迁移抑制作用无统计学差异(P〉0.05)。

  • 标签: AVASTIN LUCENTIS 人脐静脉血管内皮细胞 增殖 迁移 新生血管
  • 简介:硅油填充术作为目前复杂性视网膜脱离主流术式,已被广泛应用。由于硅油本身特性,可引起一系列并发症如角膜变性、继发性青光眼、硅油乳化、晶状体混浊等,因此硅油填充后眼部并发症应重视并积极防治,以提高玻璃体手术效果。

  • 标签: 硅油填充 眼部并发症 预防及处理
  • 简介:研究内源性大麻素N-花生四氢酸氨基乙醇(anan-damide,AEA)体外培养牛眼小梁细胞细胞骨架PGE2表达影响。方法:牛眼小梁细胞进行原代传代培养,并行鉴定。对传3代牛眼小梁细胞分别施加AEA浓度分别为0,0.1,1.0,10/μmol/L无血清培养液,作用24h后提取细胞上清液,并将细胞置于倒置显微镜下摄像,计算机图像分析系统计算细胞面积。用ELISA法检测PGE2浓度变化。结果:AEA可以产生明显细胞舒张效应,呈浓度依赖性。而且在一定范围内可以成剂量依赖性促进PGE2表达。与对照组均有显著性差异(P〈0.05)。结论:AEA可引起小梁细胞舒张促进PGE2释放。

  • 标签: 牛眼小梁细胞 N-花生四氢酸氨基乙醇 细胞骨 前列腺素 青光眼
  • 简介:目的:分析EX-PRESS引流钉联合生物羊膜植入术治疗原发性开角型青光眼(primaryopenangleglaucoma,POAG)有效性安全性。方法:回顾性分析2015-01/2017-02我院接受EXPRESS引流钉(P50)+羊膜植入术(31例38眼,试验组)与单纯EX-PRESS引流钉(P50)植入术(22例34眼,对照组)患者临床资料,统计分析两组术前,术后1d,1wk,3、6mo眼压变化、滤过泡情况以及并发症发生率。结果:术后各个时间点上,试验组对照组平均眼压均较术前明显下降,其差异有统计学意义(P<0.05),术后1d,1wk,试验组与对照组平均眼压差异无统计学意义(P>0.05),术后3、6mo,对照组眼压较试验组眼压高,其差异有统计学意义(P<0.05)。术后3mo,试验组功能性滤过泡比例较对照组高,其差异有统计学意义(P<0.05),试验组对照组术后并发症主要包括浅前房、出血、虹膜后粘连、角膜水肿,两组其发生率差异无统计学意义(P>0.05)。结论:EX-PRESS引流钉植入术联合生物羊膜植入可以安全有效降低眼压,改善术后滤过泡情况,并有远期降低眼压作用。

  • 标签: 羊膜植入 EX-PRESS引流钉植入术 原发性开角型青光眼
  • 简介:目的:探讨儿童瞬目症BUT情况,为临床治疗提供依据。方法:215例患者均排除全身疾患,检查角膜、结膜、屈光不正等,着重检查BUT,详细了解患者病史,不良生活习惯等,治疗上停用含有防腐剂激素类滴眼液,避免纠正不良卫生生活习惯,心理治疗,合理用眼,矫正屈光不正,给予不含防腐剂滴眼液点眼,如3g/L艾丽滴眼液3次/d点眼,需用抗生素给予可乐必妥滴眼液3~4次/d点眼,酌情给予抗病毒维生素类药物。结果:215例患者BUT小于10s者197例(91.6%)326眼,其中5S以下123例224眼。本组215例病例中经过7~28d治疗,173例(80.5%)治愈,37例(17.2%)好转,5例(2.3%)无效,均未患眼部疾病,且不配合治疗,仍每天看电视或玩电脑游戏2h以上。经治疗BUT正常者192例(89.3%),好转19例(8.8%)无效者4例(1.9%)。随访1~6mo,复发31例,均为长期看电视、玩电脑、习惯揉眼者,BUT检查再次异常者,重复治疗后治愈或好转。结论:泪膜保持并发挥其生理功能与瞬目动作休息相关,我们认为泪膜稳定性差是瞬目症另一重要因素,BUT检查在诊治儿童瞬目症起着关键作用,它可以正确指导医生合理用药,使患者早日康复,而且简单易行,无痛苦,儿童易接受。我们建议BUT可作为儿童瞬目症常规检查。

  • 标签: BUT 儿童瞬目症 检查
  • 简介:目的探讨危重症小组干预模式降低住院患者夜间外出不归发生率应用。方法2015年7月-12月,我院危重症小组以"降低住院患者夜间外出不归发生率"为主题,开展为期6个月品管圈活动,探讨降低住院患者夜间外出不归方法。结果住院患者夜间外出不归由实施品管圈方案前19.8‰降低至实施后6.5‰。结论开展危重症小组干预模式,能降低住院患者夜间外出不归状况,既保证了病人安全,也提高了护理质量。

  • 标签: 小组干预 外出不归 安全管理
  • 简介:AIM:Toaddressissuesininteroperabilitybetweendifferentfundusimagesystems,weproposedawebeyepicturearchivingandcommunicationsystem(PACS)frameworkinconformancewithdigitalimagingandcommunicationinmedicine(DICOM)andhealthlevel7(HL7)protocoltorealizefundusimagesandreportssharingandcommunicationthroughinternet.METHODS:Firstly,atelemedicine-basedeyecareworkflowwasestablishedbasedonintegratingthehealthcareenterprise(IHE)EyeCaretechnicalframework.Then,abrowser/serverarchitectureeye-PACSsystemwasestablishedinconformancewiththewebaccesstoDICOMpersistentobject(WADO)protocol,whichcontainsthreetiers.RESULTS:Inanyclientsysteminstalledwithwebbrowser,clinicianscouldlogintheeye-PACStoobservefundusimagesandreports.Multipurposeinternetmailextensions(MIME)typeofastructuredreportissavedaspdf/htmlwithreferencelinktorelevantfundusimageusingtheWADOsyntaxcouldprovideenoughinformationforclinicians.Somefunctionsprovidedbyopen-sourceOviyamcouldbeusedtoquery,zoom,move,measure,viewOICOMfundusimages.CONCLUSION:Suchwebeye-PACSincompliancetoWADOprotocolcouldbeusedtostoreandcommunicatefundusimagesandreports,thereforeisofgreatsignificanceforteleophthalmology.

  • 标签: PICTURE ARCHIVING and communication system teleophthalmology
  • 简介:AIM:Toexploretheeffectofsaturatedhydrogensalineonbluelight-inducedretinaldamageinrats.·METHODS:Theretinaldamageofratswasinducedbybluelightexposurefor6hoursandexamined8hours,16hoursand24hoursaftertheexposure.OnehundredfemaleSprague-Dawleyratswererandomlydividedintofourgroups.Group1included30ratsreceivedlightexposurewithoutanyothertreatment.Group2included30ratsreceivedlightexposurewithintraperitonealinjectionofnormalsaline.Group3included30ratsreceivedlightexposurewithintraperitonealinjectionofsaturatedhydrogensaline.AndGroup4includedtheother10ratswhichdidnotreceiveanytreatment.Theamountofintraperitonealinjectionofsaturatedhydrogensalineandnormalsalinewascalculatedintheratioof1ml/100gofratweight.SpecimenswerecollectedandprocessedbyH-Estaining,ultrastructureobservation,biochemicalmeasurement.Morphologicalchangeswereobservedbylightmicroscopeandtransmissionelectronmicroscope(TEM)andtheretinalouternuclearlayer(ONL)thicknesswasmeasuredbyIPP6.0,whilethemalondialdehyde(MDA)wasmeasuredbycolorimetricdeterminationat532nm.·RESULTS:AlthoughthestructureofretinainGroup1andGroup2wasinjuredheavily,theinjuryinGroup3wasmild.ThedifferencesbetweenGroup1andGroup2werenotsignificant.ComparedwiththeratsinGroup1andGroup2,theonesinGroup3hadmoreclearlydemarcatedretinastructureandmoreorderedcellsbylightmicroscopeandTEMobservation.TheONLthicknesses(400times)offourgroupsateachtimepointexceptbetweenGroup1andGroup2weresignificantlydifferent(P<0.05).ThethicknessesoftheONLinGroup1atthreetimepointswere30.41±4.04μm,26.11±2.82μmand20.63±1.06μm,inGroup2were31.62±4.54μm,25.08±3.63μmand19.07±3.86μm,inGroup3were29.75±3.62μm,28.83±1.97μmand27.61±1.83μm.InGroup4themeanofthethicknesswas37.35±1.37μm.Astimewentby,thedamageg

  • 标签: RETINA hydrogen ANTIOXIDANTS PHOTOTOXICITY DOI.3980/j.issn.2222-3959.2012.02.07
  • 简介:AIM:Toexaminetheα-Galgeneexpressionanddistributioninthedifferentspecies/genusanddevelopingphaseanimalocularsurfacetissue.METHODS:α-Galbindingassaywerecarriedoutonvariousanimaleyesections.Photograph,slit-lampobservationonvariouseyeshowednormalcornealtransparence.RESULTS:Astrongα-Galexpressionininvertebratesandsomevertebratesoculartissue,butnoα-Galbindinginbirds,fishandmammal.α-Galexpressionchangeinthedevelopmentofmiceocularsurfacetissue(exceptsclera)anddisplaygenusdependencyinthedifferentmurineocularsurfacetissue.CONCLUSION:Thisstudyidentifiedspecificα-Galepitopesbindingareaintheocularsurfaceofseveralspeciesandmaysolvetheproblemthatnaiveocularsurfacemaybeusedasnaturalα-Galgeneknockoutmodel/highriskimmunologicrejectionmodelorocularsurfacescaffoldmaterial.

  • 标签: Α-GAL XENOTRANSPLANTATION ANIMAL OCULAR surface TISSUE
  • 简介:目的分析初发翼状胬肉术后患者应用于退翳明目汤治疗后疗效。方法采用随机数字表法将我院例初103发翼状胬肉术后患者分组,对照组51例应用典必殊滴眼液治疗,观察组52例给予退翳明目汤治疗,对比两组患者治疗后临床疗效、泪膜稳定性术后复发率。结果观察组水肿消退、角膜创面上皮修复时间干眼症状计分均低于对照组,SchirmerBUT水平均高于对照组,复发率0%低于对照组13.89P〈0.05)-Ⅰ%(。结论退翳明目汤能够有效提升初发翼状胬肉术后患者泪液分泌量,提升泪膜稳定性,消除干眼症状,促进创面上皮修复,降低复发率。

  • 标签: 退翳明目汤 翼状胬肉 泪膜稳定性 复发率
  • 简介:AIM:Tocomparethetrabecularmeshwork(TM)andirisapoptosisoftreatedanduntreatedprimaryopenangleglaucoma(POAG)patients.METHODS:Eighttreatment-naive,newlydiagnosed(group1)and11medlcaiytreated(group2)patientswithPOAGwereincludedinthestudy.Eachpatientunderwentalimbus-basedtrabeculectomy.TheTMandperipheralirisspecimensweredissectedoutandweresnap-frozeninliquidnitrogenandstoredat-80tuntiltheywereassayed.ApoptosisineachgroupwasassesedbyTUNELmethod.RESULTS:Themeanpatientagewas60.6±5.8years(53-68years)vs58.9±8.9years(47-70years)ingroup1andgroup2(P=0.859).Themeantreatmenttimeingroup2was22.2±7.3months(12-34months).ApoptoticindexesinTMandirisweresignificantlyhigherinPOAGpatientsusingmedication(group2)comparedtotreatment-naivePOAGpatients(group1)(P=0.004,0.015;respectively).CONCLUSION:LongtermadministrationoftopicalantiglaucomamedicationscausesadditionaltoxiceffectsonTM.

  • 标签: GLAUCOMA TRABECULAR MESHWORK APOPTOSIS
  • 简介:Simulationcanbedefinedasmalingering,orsometimesfunctionalvisualloss(FVL).Itmanifestsaseithersimulatinganophthalmicdisease(positivesimulation),ordenialofophthalmicdisease(negativesimulation).Consciousbehaviorandcompensationorindemnityclaimsareprominentfeaturesofsimulation.Sincesomeauthorssuggestthatthisisamanifestationofunderlyingpsychopathology,evenconversionisincludedinthiscontext.Intoday’sworld,everyophthalmologistcanfacewithsimulationofophthalmicdiseaseordisorder.Incaseofsimulationsuspect,thephysician’sresponsibilityistoprovethesimulationconsideringthedisease/disorderfirst,andsimulationasanexclusion.Insimulationexaminations,thephysicianshouldbefirmandsmarttoselectappropriatetest(s)toconvincenotonlythesubject,butalsothejudgeincaseofindemnityorcompensationtrials.Almostallophthalmicsensoryandmotorfunctionsincludingvisualacuity,visualfield,colorvisionandnightvisioncanbethesubjectofsimulation.Examinermustbeskillfulinselectingthemostappropriatetest.Apartfromthoseintheliterature,weincludedallkindsofsimulationinophthalmology.Inaddition,simulationexaminationtechniques,suchas,useofOCT(opticalcoherencetomography),frequencydoublingperimetry(FDP),andmodifiedpolarizationtestswerealsoincluded.Inthisreview,wemadeathoroughliteraturesearch,andaddedourexperiencestogivethereadersup-to-dateinformationonmalingeringorsimulationinophthalmology.

  • 标签: MALINGERING SIMULATION CONVERSION HYSTERIA
  • 简介:对外伤性视神经病变研究进展从以下几方面进行了论述:外伤性视神经病变发病机制;外伤性视神经病变手术治疗;外伤性视神经病变非手术治疗。

  • 标签: 外伤 视神经病变 研究进展
  • 简介:目的调查广西合浦县白内障致盲低视力患病率白内障手术负荷量。方法2006年广西合浦县4个乡镇8个自然小区人群进行检查。双眼视力〈0.05者为白内障盲人,〈0.3者为白内障低视力患者,〈0.1者为白内障手术对象。结果调查人群3270人,实检人数2800人,受检率为85.6%。白内障致盲率为1.89%,低视力患病率为2.71%,白内障手术负荷量为2.18%。结论广西合浦县白内障致盲率低视力患病率较高,白内障手术复明是目前防盲治盲首要任务。

  • 标签: 白内障 低视力
  • 简介:目的探讨医院家庭联合治疗大龄儿童弱视临床效果。方法选择7~15岁大龄儿童73例(113眼),采用医院家庭联合实施弱视综合疗法患儿进行治疗,并临床资料进行总结、分析。结果113眼中有96眼有效,总有效率84.96%,其中基本痊愈61眼(53.98%)、进步35眼(30.97%)、无效17眼(15.93%)。17例无效眼中,屈光度超过±10.00D者6眼、斜视伴双眼无同视功能5眼、眼颤者1眼、散光超过4.00D者2眼、家庭不配合未坚持治疗者3眼。轻、中度弱视疗效优于重度弱视;中心注视疗效优于旁中心注视。结论医院家庭联合治疗大龄儿童弱视能取得满意疗效,需要医务人员、家属儿童共同配合。只有充分调动弱视患儿成长环境关系密切群体力量,才能提高其治疗效果。因此大龄儿童弱视治疗,除科学、系统规范治疗外,还应积极地提高家庭支持度。

  • 标签: 医院 家庭 大龄儿童 弱视 疗效观察
  • 简介:儿童盲诊治是视觉2020优先治疗区域,因为视力障碍孩子们将面对是长达一生失明。全球各种研究表明,有1/3到1/2儿童盲是可避免或者可治疗,白内障是可治疗儿童盲首位病因。

  • 标签: 白内障 儿童 盲/预防与控制 统计学 国家健康计划
  • 简介:AIM:TodiscusstheimpactofLyciumBarbarumPolysaccharide(LBP)andDanshensupurifiedfromTraditionalChineseMedicine(TCM)onvascularendothelialgrowthfactor(VEGF)ofrabbitswithretinalneovascularization.METHODS:Fortyrabbitsweredividedintonormalcontrolgroup,modelcontrolgroup,LBPgroupandDanshensugroup.Animalsinthenormalcontrolgroupwerefedinthenormaloxygenenvironment.Animalsintheotherthreegroupswereputintotheenvironmentwith70%oxygenfor5daysinordertobuildthemodelofoxygen-inducedvascularproliferationretinopathy.AndthendifferentTCMextractwasinjectedintotheabdominalcavitiesoftheseannimals.After7days,theVEGFcontentofintheserumofrabbitwasmeasuredbydoubleantibodysandwichmethod.RESULTS:DataanalysisindicatedthatVEGFcontentwasasfollows:Danshensugroupwaslowerthanmodelcontrolgroup(12.92±3.84ng/Lvs19.32±4.15ng/L,P<0.05);LBPgroupandnormalcontrolgroupwerelowerthanmodelcontrolgroup(12.92±3.84ng/L,9.26±1.61ng/Lvs19.32±4.15ng/L,P<0.01);totalbloodviscosity,plasmaviscosity,cholesterolcontent,fibrinogencontentandtriacylglycerolcontentafterperitonealinjectionofLBPandDanshensuwereobviouslylowerthanbeforeinjection.CONCLUSION:TCMextract-LBPandDanshensucanprominentlyreducethecontentofVEGFintheprocessofvascularproliferativeretinopathyofrabbit;canpreventtheoccurrenceofretinalmicrovasculardiseasebyimprovingpartialoxygen-deficientenvironmentoraffectingallkindsofnewgrowthfactor.

  • 标签: LYCIUM Barbarum POLYSACCHARIDE Dan-shensu vascular ENDOTHELIAL
  • 简介:视网膜血管异常是很多常见致盲疾病根本原因。包括:早产儿视网膜病变(中等收入国家儿童盲重要原因)糖尿病视网膜病变(工业国家劳动力人群最常见致盲原因)年龄相关性黄斑变性(世界范围内第三位致盲原因)这些疾病发生很大一部分原因是一种叫作血管内皮生长因子(VEGF)蛋白产生过量。这种蛋白20世纪80年代被发现,它在血管发生、生长过程重要作用。

  • 标签: 防盲治盲 VEGF 视网膜血管异常 年龄相关性黄斑变性 血管内皮生长因子 糖尿病视网膜病变