学科分类
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21 个结果
  • 简介:1.视网膜厚度报告扫描方式:快速黄斑扫描、黄斑线状扫描。应用:评估黄斑区域疾病和一些特殊区域。视网膜厚度为玻璃体视网膜界面与色素上皮/脉络膜毛细血管层前表面的距离,在扫描图像中两条白线之间即为计算机自动测量的视网膜厚度。视网膜厚度坐标图为相应扫描视网膜厚度线条图。

  • 标签: OCT 视网膜厚度 玻璃体视网膜界面 脉络膜毛细血管 扫描方式 打印
  • 简介:3.视盘分析报告扫描方式:快速视盘扫描,视盘扫描。应用:视盘评估。此检查可以视盘的视盘面积、视杯面积、盘沿面积、杯/盘面积比、水平方位杯/盘比、垂直方位杯/盘比等参数进行分析评价。结果为两幅图,一幅显示单个视盘横截面扫描图像,另一幅显示是视盘整合后分析结果图,图中红色表示视盘边界,绿色表示视杯边界。

  • 标签: OCT 打印 阅读 扫描方式 盘沿面积 杯/盘比
  • 简介:AIM:Todescribethedesignandpreliminaryresultsofthehospitalbasedepidemiologicalstudyfordiabeticretinopathy(HBESDR),anongoingepidemiologicalstudytoestimatetheprevalenceofdiabeticretinopathy(DR)andtoelucidatetheclinical,anthropometric,biochemicalandanyotherriskfactorsassociatedwithdiabeticretinopathy.METHODS:Totally2000diabeteswillberecruitedfromtheDiabeteseyeclinicintheFirstAffiliatedHospitalofChinaMedicalUniversity.AllsubjectsunderwentbloodsugarestimationandOralGlucoseToleranceTesttodiagnosediabetes.Alldiabeteswouldundergocompletequestionnaire,acomprehensiveeyeexamination.Bloodandurinewouldbecollectedforbiochemicalinvestigations.AllfundusphotographsforanyDRwillbegraded.Participantswhoneedtreatmentwillbesenttotheophthalmicclinicandfollow-upintervalprogramforallsubjectswillbesuggested.Acomputerizeddatabaseiscreatedfortherecords.RESULTS:Todate,1174diabeteshavebeenrecruited,therewere350(29.81%)DRinalldiabetes,mostofthemwerewithmildnon-proliferativediabeticretinopathy(NPDR)(139,39.71%);71(20.29%)moderateNPDR,66(18.86%)severeNPDR,74(21.14%)proliferativediabeticretinopathy(PDR).Females,longerdurationofdiabetes,familyhistoryofdiabetesandhypertensionhadastatisticallysignificantincreaseinriskofanyDR.CONCLUSION:ThestudyisexpectedtoprovideanestimateoftheoverallprevalenceofDRandtheprevalencewithdifferentdurationofdiabetesandalsoabetterunderstandingoftheriskfactorsassociatedwithDR.

  • 标签: DIABETIC RETINOPATHY PREVALENCE epidemiolo-gical STUDY
  • 简介:<正>上海医科大学眼耳鼻喉科医院眼科主办的继续医学教育项目"青光眼诊治进展"学习班于1999.12.19~12.25在上海举办,来自贵州、广西、四川、浙江、江苏、福建、山东、辽宁、宁夏、湖北、上海等11个省、市自治区、直辖市的62名眼科医生正式注册参加了学习学习班内容丰富,不但有青光眼常规药物、手术治疗的原则、技巧,术中、术后并发症的防治,用于青光眼诊断及随访的各种新型检测技术及仪器介绍,青光眼药物治

  • 标签: 青光眼 诊治进展 学习班 继续医学教育项目 手术治疗 内容丰富
  • 简介:结膜松弛症是老年人常见眼病,但一直为国内眼科医师所忽视,易造成误诊、漏诊。上海中医药大学附属普陀医院经过十几年的探索,对结膜松弛症的诊疗技术进行了系统研究,已经形成规范的诊疗方案。特举办国家级Ⅰ类(6分)继续教育项目“结膜松弛症的发病机制及手术治疗”(项目编号:20110702052)学习班,并系统演示结膜松弛症手术治疗录像、现场观摩手术。

  • 标签: 结膜松弛症 手术治疗 发病机制 学习班 上海中医药大学 继续教育项目
  • 简介:由海军总医院全军耳鼻咽喉头颈外科中心主办的激光技术在耳鼻咽喉微创外科中的应用学习班将于2009年9月1-4日在河南省焦作市举行。该学习班为国家级继续医学教育项目(编号:2009-07-01-083),授予Ⅰ类继续医学教育学分8分。联系方式:北京市海淀区阜成路6号海军总医院全军耳鼻咽喉头颈外科中心;

  • 标签: 耳鼻咽喉头颈外科 微创外科 激光技术 学习班 国家级继续医学教育项目 海军总医院
  • 简介:·AIM:Toinvestigatethetherapeuticeffectsofnanophtha-locyaninephotosensitizersonanexperimentalratchoroidalneovescularization(CNV)model,aswellastoevaluatethecytotoxicityofwhichonhumanretinalpigmentepithelia(HRPE)andhumanretinalendothelialcells(HRECs).·METHODS:Twotypesofphotosensitizers,G1-ZnPc(COOH)8andG1-ZnPc(COOH)8/mrespectively,wereadministratedforphotodynamictherapy(PDT)afterasuccessfulestablishmentofCNVmodelonBrown-Norway(BN)ratsviafundusphotocoagulation.Thetherapeuticeffectsofthetwodrugswereassessedthroughopticalcoherencetomography(OCT),fluoresceinfundusangiography(FFA)andtransmissionelectronmicroscopy(TEM).Forcytotoxicitytests,cellcountingkit-8(CCK-8)assaysandchangesofmitochondrialtransmembranepotential(△Ψm)wereconductedonHRPEandHRECsafterinitialuptakeofthetwodrugs.·RESULTS:Bothphotosensitizersdemonstratedanimprove-mentofvascularleakageandclosureofCNV1weekafterPDTasconfirmedbyfundusimage,OCT,FFAandTEM.TwoweeksafterPDT,G1-ZnPc(COOH)8/mshowedabetterCNVclosureeffectversusG1-ZnPc(COOH)8(P<0.05).Asignificantdifference(P<0.01)wasfoundinuptakeofthetwodrugsinHRPEandHRECs,withnodifferencebetweenthedrugs(P>0.05).BothphotosensitizersshowedcytotoxicityonHRPE,butG1-ZnPc(COOH)8/minducedalowercellviability.·CONCLUSION:G1-ZnPc(COOH)8/mmediatedPDTisbetterthanG1-ZnPc(COOH)8inCNVclosureandalsohavetheadvantageoffastmetabolismleadingtolesssideeffect.·

  • 标签: PHTHALOCYANINE carrier nanoparticles photo-dynamic treatment RETINA
  • 简介:目的探讨缩短小切口非超乳白内障摘除人工晶体晶植人术学习曲线的途径.方法对2006年萧县彭年光明行动中完成29例小切口非超乳白内障摘除人工晶体晶植入术的病例进行回顾性分析.结果通过最先完成17例小切口非超乳白内障摘除人工晶体晶植入术部分手术操作步骤,循序渐进最后独立完成12例小切口非超乳白内障摘除人工晶体晶植入术的全部操作步骤.结论熟练掌握白内障囊外摘除+人工晶体植入技术,是缩短小切口非超乳白内障摘除+IOL植入学习曲线的关键因素.

  • 标签: 缩短 小切口非超乳白内障摘除 学习曲线
  • 简介:目的观察初学者学习0.7毫米微创白内障手术改良法的临床效果。方法随机选取门诊和住院白内障患者50人,由初学者在老师指导下应用0.7毫米微创白内障手术改良法施行手术。研究内容包括手术时间,术中灌注液应用量,术中并发症等。结果手术时间随着学习的进程总体呈下降趋势,从开始10例平均时间61分22秒下降到第5个10例的18分54秒。特别是30例后下降明显。7例9次并发症发生。第4例出现后囊破裂,未行玻璃体切割的情况下成功植入人工晶状体于睫状沟内。前10例中共有2例,第2和4个10例中各1例术中角膜上皮水肿。另外还有1例发生后弹力层撕裂,两例切口撕裂,1例结膜水肿。结论经过短期的0.7毫米微创白内障手术改良法训练,初学者可从传统同轴超声乳化安全转换至0.7毫米微创白内障手术。

  • 标签: 微创白内障手术 双手超声乳化 同轴超声乳化
  • 简介:目的研究PBL教学模式在眼科学教学中的应用。方法60名学生分为两组,分别采用PBL教学法和传统教学法进行教学,比较两组学生对眼科学的兴趣和考试成绩。结果PBL教学组学生对眼科学的兴趣要显著高于传统教学组(P〈0.05),其考试成绩(82.00±9.06)也明显高于对照组(76.90±9.82)(P〈0.05)。结论PBL教学法能够提高学生的主动性,增强学生的学习兴趣学习成绩,适于在眼科教学中推广。

  • 标签: PBL教学法 眼科学 教学模式
  • 简介:AIM:Todeterminethehistopathologicalchangesofrifampicinappliedintravitreallyonretinalganglioncellsbymeansofstereologicalandhistopathologicalmethods.METHODS:Forthisstudytwenty-fourNewZealandadultrabbitsweredividedintofourgroups(n=6foreachgroup).50μg/0.1mL(group1),100μg/0.1mL(group2),150μg/0.1mL(group3)and200μg/0.1mL(group4),rifampicinwereinjectedintothevitreousoftherighteyesofanimals,theirlefteyeswereusedascontrol(group5).Afterthe28thdayofapplication,animalswereanesthetisedwithxylazine(8mg/kg,IM)andthentheireyeswereenucleatedimmediately.Patternsweretakenawayandeyeswerepreparedforbothstereologicalandelectromicroscopicobservation.RESULTS:Dependingonthehighdoseofrifampicin,somehistopathologicalchangessuchascytoplasmicdilatationanddamagedmembranewereobservedontheelectromicroscopiclevel.Usingquantitativeexamination,whichwasdoneatthelightmicroscopiclevel,itwasshownthatthenumberofneuronsdecreasedlinearlyasrifampicindoseincreasedwhencomparedwiththecontrolgroup.CONCLUSION:Basedonthesefindings,low-doserifampicin(50μg/0.1mL)maybeusefulfortreatmentoftheoculardiseases.

  • 标签: RIFAMPICIN STEREOLOGY HISTOPATHOLOGY GANGLION cells
  • 简介:案例教学法是医学教学的重要组成部分,通过案例分析能够让学生更加深入地理解知识,进而提高分析问题和解决问题的能力。本文介绍了多媒体案例教学法在眼科学教学中的具体应用方法,并提出应用过程中需要注意的问题。

  • 标签: 眼科学 教学方法 多媒体案例教学
  • 简介:·AIM:Toinvestigatetheantifibroticeffectoffreeze-driedbilayeredfibrin-bindingamnioticmembraneontrabeculectomyinarabbitmodel.·METHODS:Twenty-fourJapanesewhiterabbitswererandomizedintothreegroups:theexperimentalgroup(oculartrabeculectomyincombinationwithfreeze-driedbilayeredfibrin-bindingamnioticmembranetransplantation),thecontrolgroup(oculartrabeculectomyincombinationwithnaturalbilayeredfibrin-bindingamnioticmembrane)andtheblankgroup(singletrabeculectomy).Clinicalobservation,hematoxylin-eosinstaining,Massionstaining,real-timePCRandimmunohistochemistryforα-SMAwereperformedondays7,14,21and30followingsurgery.·RESULTS:Statisticaldifferenceswerenotedinsurvivalanalysisandintraocularpressure(IOP)amonggroupsondays7,14,21and30followingsurgery.Histology,immunoh-istochemistryandreal-timePCRfurtherdemonstratedthattrabeculectomyincombinationwithfreeze-driedbilayeredfibrin-bindingamnioticmembraneresultedingoodwoundhealingandnoscarformation.·CONCLUSION:Self-madefreeze-driedbilayeredfibrin-bindingamnioticmembranemayinhibittheformationofscarringinglaucomaaftertrabeculectomy.·

  • 标签: FREEZE-DRIED fibrin-binding amniotic MEMBRANE TRABECULECTOMY
  • 简介:AIM:Toadaptthelowvision-relatedqualityoflife(LVQOL)instrumentintoTurkishlanguageandtoassessitsvalidityandreliability.METHODS:Thestudywasconductedin387patientsattendingtheCentreofLowVisionRehabilitation,FacultyofMedicine,AnkaraUniversity.Forstatisticalanalyses,theSpearman’scorrelationcoefficient,Cronbach’salphacoefficientandConfirmatoryFactorAnalysis(CFA)wereused.RESULTS:AccordingtoresultsofCFA,theiteminthe'Adjustment'subscalebecauseofhavingthefactorloadingbelow0.40,wasexcludedfromthequestionnaire.ThereliabilityofthequestionnairewasassessedaccordingtoCronbach’salphacoefficients.Thereliabilityofthe'DistanceVision,Mobility,andLighting'subscalewas?琢=0.863;ofthe'Adjustment'subscalewas?琢=0.694;'ReadingandFineWork'was?琢=0.791,and'ActivitiesofDailyLiving'was?琢=0.770.Sotheseresultsindicatethatthequestionnaireisreliabletomeasurethevisionrelatedqualityoflifeoflow-visionpatients.Thecorrelationsbetweenthesubscaleswerealsoanalyzed,andthecorrelationbetween'Adjustment'and'ReadingandFineWork'wasfoundtobethelowest(rs=0.336,P<0.001),whereasthestrongestcorrelationwasfoundbetweenthe'ReadingandFineWork',and'ActivitiesofDailyLiving'.Additionally,the'Adjustment'dimensionshowedthestrongestcorrelationwithonly'DistanceVision,Mobility,andLighting'dimension.CONCLUSION:Afterremovingthelastitemintheseconddimension,theTurkishadaptationofalldimensionsoftheLVQOLhasbeenshowntobereliable,validandsuitableforuseinpatientswithlowvisioninTurkey.

  • 标签: LOW vision-related quality of life TURKISH
  • 简介:AIM:ToevaluatetheeffectofCollagencross-linkingonthepreventionofmeltinginrabbitcorneasafteralkaliburn.·METHODS:TwentyNewZealandwhiterabbitswererandomlydividedintomodelcontrolgroupandcollagencross-linkingtreatmentgroup.Thesecondgroupofrabbitsreceivedcollagencrosslinkedtreatment.Bothgroupswereappliedwithantibioticeyedropstopreventinfection.Thecorneaswereevaluatedformelting,opacity,pathologicalandimmunohistochemistry,recordthechangeswhen28daysaftertheanimalswerekilled.·RESULTS:Inthecontrolgroup,6outof8rabbitsshowedcornealmeltingafterinjury(14±4)days,whiletwocornealperforated.Incollagencross-linkingtreatmentgroup,onerabbitshowedcornealmeltingafterinjury23days,withoutcornealperforation;cornealdissolutionratebetweenthetwogroupswassignificantlydifferent(P<0.05).Pathologicalexaminationsuggestedthatinthetreatmentgroup,mildcornealedema,milddamagetocollagenfibers,inflammatorycellinfiltrationwassignificantlylessthanthecontrolgroup.Immunohistochemistryshowedthatcornealcollagenfibersarrangedinneatrowsinthecontrolgroup.·CONCLUSION:Collagencross-linkingtreatmentnotonlycanpreventanddelaythecornealmeltingafteralkaliburn,butalsocanreducethedestructionofcornealcollagenfibersandinfiltrationofinflammatorycellsinthecornealtissue.

  • 标签: COLLAGEN cross-linking CORNEAL ALKALI BURN CORNEAL
  • 简介:随着互联网技术的发展及其与教育的有机结合,眼科教学面临新的机遇和挑战。应完善基于医疗“大数据”技术、虚拟现实技术和移动互联技术为主要内容的眼科教学方法,提升“互联网+”背景下眼科教师的教学素养,从而促进学生自主学习、个性化学习,达到提高学习效率、改善学习效果的目的。

  • 标签: “互联网+” 眼科学 教学改革
  • 简介:目的研制一种实用型显微手术教学培训眼球固定台.方法利用有机玻璃、注射器、压力表等制作一种用于显微手术教学培训的眼球固定台.结果使用方便、灵活,压力稳定性强,有利于清洁,取材方便,制作简单,成本低廉.结论该固定台是一种值得推广应用的显微手术教学与培训的眼球固定台.

  • 标签: 显微手术 教学 眼球 固定台
  • 简介:上课是常规教学中一个很重要的环节,课堂教学的效率高低直接影响到教学质量的好坏。多媒体课件质量、多媒体与传统板书教学的融合以及多媒体教学方式好坏直接决定教学质量,笔者在对这一问题探讨和分析后,试图寻找出一套较为完整的适合于该课程的教学方式,提高学生学习兴趣,使学生掌握教学重点和难点,取得更好效果。

  • 标签: 医学 多媒体教学 教学设计