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500 个结果
  • 简介:教师们都知道游戏是幼儿运用已有经验所进行一种表现行为,幼儿游戏水平总是与他们心理发展水平相同步游戏行为总是一定心理水平反映。因此,游戏就应当成为教师观察了解幼儿发展水平最好手段。但是,很多教师常常苦于不会观察幼儿游戏行为——具体地说,就是不会解释幼儿游戏行为发展意义,因而导致观察只是“看热闹”,甚至是“视而不见”。事实上,教师并不是不会看,而是没有带着思考去看,教师只有进行有效地观察,看懂幼儿游戏行为,才会更理解我们孩子。

  • 标签: 教师观 游戏 心理发展 幼儿 行为
  • 简介:表演游戏是幼儿根据童话故事或其它文学作品内容进行自主表演游戏。幼儿通过对话、动作、表情来再现文学作品,可以丰富幼儿想象力和创造力,加深幼儿对童话故事或其它文学作品理解,激发幼儿学习兴趣,发展幼儿口语表达能力,并能极大地发挥幼儿主体性,促进幼儿集体观念形成,培养幼儿活泼性格,加快幼儿社会化进程。因此,在幼儿园开展表演游戏指导探索是十分有益和必要。那么,如何指导幼儿开展表演游戏,培养幼儿想象力和创造力,促进幼儿主体性发挥呢?以下是笔者对这一问题实践探索。

  • 标签: 幼儿园 游戏 文学作品 口语表达能力 集体观念 创造力
  • 简介:养生之道至高境界为养心。不同的人各有其自己方法,但对于老年朋友来说,适当做一些游戏,既可以锻炼身体,又能够让自己乐在其中,可谓一举两得好方法。从中医角度来说,游戏是一种积极休息,它能使人心情舒畅增加生活乐趣,有锻炼手臂,有保护关节,有养护心肺,在玩乐中就能从头练到脚,老年人可以根据需要,爱好进行选择。

  • 标签: 养生之道 游戏 锻炼身体 老年人
  • 简介:根据我国进行全国青少年体质健康调查显示,近20年,我国学生体能素质持续下降,肥胖率比5年前增长一倍。参与中国少年儿童体质监测调查北京师范大学体育学院院长毛振明博士在接受记者采访时说:

  • 标签: 体能素质 体育学院 体质健康调查 幼儿 游戏 北京师范大学
  • 简介:中新社特供本刊稿:与澳门一河之隔广东珠海香炉湾畔上石刻雕塑《珠海渔女》、深圳改革开放精神象征雕塑《开荒牛》、在内地小学语文课本中出现过《艰苦岁月》……这些为海内外人士熟知雕塑,皆出自中国雕塑家潘鹤之手。当今中国雕塑界人才辈出,但年近九旬仍活跃着艺术家为数不多,潘鹤就是其中一位,他也被誉为“中国雕塑第一人”。

  • 标签: 雕塑家 游戏人生 潘鹤 改革开放 语文课本 人才辈出
  • 简介:幼儿天性是喜欢涂鸦,涂鸦对于他们来说是一种享受、快乐和发泄情绪。我们尝试将游戏与绘画活动进行优化组合,注重题材游戏化、材料游戏化,并在活动中进行游戏推进,鼓励幼儿大胆地用自己方式表现,收到了较好效果。

  • 标签: 游戏 幼儿 绘画 优化组合
  • 简介:以家长、小龄听障儿童为教学主体,亲子互动游戏为主要形式教育教学活动。可以让听障儿童和家长建立良好亲子关系,将听障儿童语言学习生活化,发展听障儿童认知能力,让听障儿童学会沟通和交流。同时,亲子互动游戏使家长成为听障儿童语言发展伙伴和促进者。

  • 标签: 亲子游戏 听障儿童 康复
  • 简介:小鱼妈:我们还有一个难题呢,小鱼太胆小了,无论到哪儿去,都要有人陪在身边,就算是再喜欢游戏,没有大人陪着,宁可放弃。

  • 标签: 独立游戏 个人行为 儿童 养育方法
  • 简介:美籍华人蔡美儿因其对两个女儿严苛教育吸引了全世界关注,被大家称为“虎妈”。“虎妈”为两个女儿制定十大戒律,自称“采用咒骂、威胁、贿赂、利诱等种种高压手段,要求孩子沿着父母为其选择道路努力”。在“虎妈”严厉教育下,两个女儿相继考上了重点大学。

  • 标签: 大自然 欢乐 幼儿 农村 玩具 游戏
  • 简介:摘要目的探讨沙盘游戏治疗对儿童恐惧症治疗效果及儿童心理治疗特点。方法通过个案研究法,对一个学龄前期儿童进食恐惧症进行沙盘游戏治疗,结果患儿沙盘作品经历了问题呈现、矛盾转化、整合治愈过程,来访者症状明显好转,进食恢复正常,社会适应良好。

  • 标签: 沙盘游戏治疗 儿童恐惧症 心理治疗
  • 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:Anaerobicbacteriacancauseocularinfections.WetestedtheOxyPlateTMAnaerobicSystem(OXY)toisolatepertinentanaerobicbacteriathatcancauseoculardisease.METHODS:OXY,whichdoesnotrequiredirectanaerobicconditions(i.e.bags,jars),wascomparedtoconventionalisolationofincubatingculturemediainanaerobicbags.Standardcoloniescountswereperformedonanaerobicocularbacterialisolatesunderaerobicandanaerobicconditions(anaerobicbags)usingagarmedia:1)OXY(aerobiconly),2)5%sheepblood(SB),3)Chocolate,and4)Schaedler.Thebacteriatestedwerede-identifiedocularisolatesculturedfromendophthalmitisanddacryocystitisthatinclude10Propionibacteriumacnesand3Actinomycesspecies.Thecolonycountsforeachbacteriaisolate,oneachculturingcondition,wererankedfromlargesttosmallest,andnon-parametricallycomparedtodeterminethebestculturingcondition.RESULTS:Allanaerobicconditionswerepositiveforalloftheanaerobicisolates.SBandSchaedler’sagarunderaerobicconditionsdidnotsupportthegrowthofanaerobicbacteria.SparsegrowthwasnotedonchocolateagarwithPropionibacteriumacnes.Asananaerobicsystem,SBinananaerobicbagisolatedhighercolonycountsthanOXY(P=0.0028)andchocolateagar(P=0.0028).CONCLUSION:AlthoughOXYdidnottesttobemoreefficientthanotheranaerobicsystems,itappearstobeareasonablealternativeforisolatinganaerobicbacteriafromocularsites.Theuseofanagarmediuminaspeciallydesignedplate,withouttherequirementofananaerobicbag,renderedOXYasanadvantageoverotheranaerobicsystems.

  • 标签: ANAEROBIC BACTERIA BACTERIAL isolation ENDOPHTHALMITIS DACRYOCYSTITIS
  • 简介:AIM:TopresenttheresultsofimplantationofIakymenkokeratoprosthesisinfivepatientswithvascularizedcornealleukomacausedbysevereocularinjury.·METHODS:Iakymenkokeratoprosthesiswasimplantedinto5eyesof5patients:4patientsweresufferedfromchemicalburnsand1patientfromexplosiveinjury.Thepreoperativevisualacuityrangedfromlightperceptiontohandmotion.Theimplantationsurgerywascomposedoftwo-stageprocedures.Thefollow-upperiodwasfrom9monthsto11years.Theoutcomemeasureswerevisualacuity,retention,andcomplicationsofthekeratoprosthesis.·RESULTS:Visionimprovementswereachievedinmostpatients.Allkeratoprosthesiswereretainedwithinthefollow-upperiod.Cornealmeltingoccurredinonepatientandfibrousclosureinanotherpatient,bothofwhichweresuccessfullytreated.Retinaldetachmentoccurredinonepatientaftersurgery.·CONCLUSION:Iakymenkokeratoprosthesisseemstobeapromisingalternativeforthepatientswithseverecornealinjury,butfurtherinvestigationisneededtoevaluatetheroleofIakymenkokeratoprosthesis.

  • 标签: Iakymenko KERATOPROSTHESIS VISUAL REHABILITATION COMPLICATIONS
  • 简介:AIM:Toevaluatechangesintheanteriorchamberdepth(ACD),crystallinelensthickness(LT)anditsrefractivepowerafterlaserinsitukeratomileusis(LASIK).·METHODS:Inallcases,thepreoperativeandpostoperativecentralACDwhichweremeasuredwithPentacam,Orbscan,IOL-MasterandA-scanultrasonography,centralcornealtruenetpowerwhichwasmeasuredwiththePentacam,OrbscanandIOL-Master,axiallength(AL)whichwasmeasuredwithIOL-MasterandLTwhichwasmeasuredwiththeA-scanultrasonographywerecomparedusingthepairedsamplettest.OcularrefractiveerrorsandlensrefractivepoweratcornealplanewerecalculatedandtheircorrelationswerealsoevaluatedbeforeandafterLASIK.RESULTS:At1weekafterLASIK,LTandcrystallinelensrefractivepoweratcornealplane(Dlens)whichwereassociatedwiththeIOL-MasterandPentacamincreasedsignificantly(P≤0.005),ACDdecreasedsignificantly(P≤0.001),butnosignificantincreasewasobservedintheDlenswhichwasassociatedwiththeOrbscan(P=0.261).SignificantcorrelationsbetweenthechangesintheocularrefractiveerrorsandDlenswhichwereassociatedwiththePentacamwereobservedat1weekand6monthsafterLASIK(P=0.028;P=0.001).CONCLUSION:LTincreasedsignificantlyafterLASIK,andthismightpartiallyleadtoACDdecrease,Dlensincreaseandasmallquantityofmyopicregression.

  • 标签: ANTERIOR CHAMBER depth CRYSTALLINE LENS thickness
  • 简介:AIM:Toinvestigatetheefficacyofnon-buckledvitrectomywithclassicalendotamponadeagentsinthetreatmentofprimaryretinaldetachment(RD)complicatedbyinferiorbreaksandproliferativevitreoretinophathy(PVR).METHODS:Aretrospective,consecutiveandcaseseriesstudyof40patientswithinferiorbreakRDandPVR≥C1wasconducted.Allpatientsunderwentastandard3-port20-gaugeparsplanavitrectomy(PPV)withgasorsiliconeoiltamponadewithoutsupplementaryscleralbuckling.Thevitreousandallproliferativemembranewerecompletelyremoved,andretinectomywasperformedwhennecessary.Themeanfollow-upwas12.5months.Theprimaryandfinalanatomicsuccessrate,visualacuityandcomplicationswererecordedandanalyzed.RESULTS:Primaryanatomicsuccessratewasachievedin35of40eyes(87.5%)andthefinalanatomicsuccessratewas100%.ThemostcommoncauseofredetachmentwasrecurrentPVR.Thebest-correctedvisualacuity(BCVA)atfinalfollow-upwasimprovedin34eyes(85%),remainedstablein1eye(2.5%),andworsenedin5eyes(12.5%).Themeanvisualacuityatfinalfollow-upwasimprovedsignificantly(P=0.000).CONCLUSION:ThisretrospectivestudyprovidesevidencethatvitrectomywithoutscleralbucklingseemedtobeaneffectivetreatmentforinferiorbreakRDwithPVR.Withcompleteremovalofvitreousandproliferativemembranesandtimingofretinectomy,theinferiorbreakswhichcomplicatedwithPVRcouldbeclosedsuccessfullywithoutadditionalscleralbuckling.

  • 标签: RETINAL DETACHMENT INFERIOR RETINAL BREAK PROLIFERATIVE
  • 简介:<正>DearSir,IamDr.Jing-WenGong,fromtheDepartmentofOphthalmology,ZhejiangProvincialPeople’sHospital,Hangzhou,China.Iwritetopresentapeculiarcasereportofjerkysee-sawnystagmusininternuclear

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  • 简介:AIM:Toevaluatethelong-termresultsandcomplicationsofahmedglaucomavalve(AGV)implantationinrefractoryglaucoma.·METHODS:Aretrospectivereviewof13patients(13eyes)withrefractoryglaucomawhounderwentAGVimplantationandhadaminimumfollow-upof18monthswasperformed.Allpatientsunderwentacompleteophthalmologicexaminationandintraocularpressure(IOP)measurementbeforesurgeryandat1month,3months,6months,1yearaftersurgeryandyearlyafterwards.Complicationsandthenumberofantiglaucomamedicationsneededwererecorded.·RESULTS:Meanagewas27.3±16.0years.Alleyes(100%)hadatleastonepriorincisionalsurgery.Meanfollow-upwas61.3±30.8months.IOPwasreducedfromameanof35.0±7.0mmHgto18.2±7.9mmHgat12monthsandto17.0±4.1mmHgat96months(P<0.05)withalowernumberofmedicationsfrombaseline,76.9%patientsrequiredadditionalprocedurestoachievethesuccesscriteriasetbypreviouslypublishedseries.Themostcommoncomplicationswereencapculatedcystformationineighteyes(61.5%)andtubeexposureinfoureyes(30.8%).·CONCLUSION:EncapsulatedcystformationwasthemostcommoncomplicationwhichhinderedsuccesfulIOPcontrolafterAGVimplantinsertionforrefractoryglaucoma.Despitecystexcisionwithanti-fibroticagents,successfulIOPreductionwasnotachievedin76.9%ofthepatientswithoutantiglaucomamedication.

  • 标签: AHMED GLAUCOMA valve ENCAPSULATED CYST INTRAOCULAR
  • 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:AIM:Toinvestigatethetreatmentstatusandprognosisofspace-occupyinglacrimalglandlesionsatonetertiaryeyecenterinChina.·METHODS:Aretrospectiveclinicalstudywasperformedon95patientswithspace-occupyinglesionsofthelacrimalglandsurgicallytreatedattheEye&ENTHospitalofFudanUniversityfrom2003to2007.Thereviewedclinicaldataincludedage,gender,sideofthelesion,durationofsignsandsymptoms,histopathologicaldiagnosis,treatmentmodality,recurrence(local,regional,anddistantmetastasis)andsurvival.·RESULTS:Ofthe95cases(99eyes),pleomorphicadenomaswerethemostcommonlesions(43cases),followedbylymphoiddisorders(14),inflammatorypseudotumors(11),carcinomaex-pleomorphicadenomas(11),andadenoidcysticcarcinomas(ACC,6).Therewere8patientswithrelapsedpleomorphicadenomas.Fiveofthese8caseshadmalignantpathologicalchanges.AllpatientswithACChadmetastasisandthreeofthemdiedduringtheirfollow-up.·CONCLUSION:Ourstudyindicatedthatthemostcommonlacrimalglandlesionswerepleomorphicadenomas.Multiplerecurrenceandsurgicalproceduresmayincreasetheriskoftumorprogression.ACChadahighincidenceoftumormetastasisandapoorprognosis.

  • 标签: LACRIMAL GLAND lesions PLEOMORPHIC ADENOMAS ADENOID