学科分类
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26 个结果
  • 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:<正>DirSir,IamdoctorGuo-YuanYang,fromtheDepartmentofOphthalmologyofWestChinaHospitalofSichuanUniversityinChengdu,SichuanProvince,China.Iwritetopresentacasereportofposteriorlentiglobuswithcataract.

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  • 简介:AIM:Tostudythedistributionofocularhigher-orderaberrations(HOAs)andmesopicpupilsizeinindividualsscreenedforrefractivesurgery.·METHODS:OcularHOAsandmesopicpupilsizewerestudiedin2458eyesof1240patientswithmyopia,myopicastigmatismandcompoundmyopicastigmatismand215eyesof110patientswithhyperopia,hyperopicastigmatismandcompoundhyperopicastigmatismusingtheZywaveaberrometer(Busch&Lomb).Allpatientshadcorrectablerefractiveerrorswithoutahistoryofrefractivesurgeryorunderlyingdiseases.Root-mean-squarevaluesofHOAs,totalsphericalaberration,totalcomaandmesopicpupilsizewereanalyzed.OcularHOAsweremeasuredacrossa≥6.0mmpupil,andpupilsizemeasurementswereperformedunderthemesopiccondition.·RESULTS:ThemeanvaluesofHOAs,totalsphericalaberrationandtotalcomainthemyopicgroupwere0.369μm,±0.233,0.133±0.112μmand0.330±0.188μm,respectively.InthehyperopicgroupthemeanvaluesofHOAs,totalsphericalaberrationandtotalcomawere0.418μm±0.214,0.202±0.209μmand0.343±0.201μm,respectively.HyperopesshowedgreatertotalHOAs(P<0.01)andtotalsphericalaberration(P<0.01)comparedtomyopes.Inage-matchedanalysis,onlytheamountoftotalsphericalaberrationwashigherinthehyperopicgroup(P=0.05).Mesopicpupilsizeinthemyopicgroupwaslarger(P≤0.05).·CONCLUSION:TheresultssuggestedthatsignificantlevelsofHOAswerefoundinbothgroupswhichareimportantforplanningrefractivesurgeriesonIranians.Thereweresignificantlyhigherlevelsoftotalsphericalaberrationinhyperopescomparedtomyopes.Mesopicpupilsizewaslargerinmyopicgroup.

  • 标签: CORNEAL WAVEFRONT ABERRATION PUPIL mesopic vision
  • 简介:AIM:Toevaluatetheeffectofbrinzolamide-timololfixedcombinationonintraocularpressure(IOP)aftercataractsurgery.METHODS:Thestudyincluded92eyesof87patientswhounderwentcataractsurgeryandintraocularlensimplantation.Patientsscheduledforphacoemulsificationwereassignedto1of2groups.Thetreatmentgroupreceived1dropofbrinzolamide-timololfixedcombinationimmediatelyaftersurgery,andthecontrolgroupreceivednotreatment.TheIOPwasmeasuredpreoperativelyandat2hand24hpostoperatively.RESULTS:ThemeanIOPchangewaslowerinthetreatmentgroupthaninthecontrolgroupat2hpostoperatively.ThedifferencebetweenthemeanIOPvaluesofthetwogroupsat2hpostoperativelywasfoundtobestatisticallysignificant.Twenty-fourhoursafterthesurgery,themeanIOPchangewasstillhigherinthecontrolgroupwhencomparedtothetreatmentgroup.CONCLUSION:ThefixedcombinationbrinzolamidetimololcaneffectivelyreduceIOPaftercataractsurgery.

  • 标签: brinzolamide TIMOLOL CATARACT SURGERY
  • 简介:AIM:Toinvestigatetheantifibroticeffectofthefreeze-driedbilayeredfibrin-bindingamnioticmembraneasadrugdeliverysystemonglaucomasurgeryinrabbitmodel.Theaimofthisstudywastoprepareanovellocaldeliverysystemforthesustainedandcontrollablereleaseof5-Fu.METHODS:Twenty-fourJapanesewhiterabbitswererandomizedintothreegroups:theexperimentalgroup(oculartrabeculectomyincombinationwith5-Fuloadedfreeze-driedbilayeredfibrin-bindingamnioticmembranetransplantation),thecontrolgroup(oculartrabeculectomyincombinationwith5-Fu)andtheblankgroup(singletrabeculectomy).HEstaining,massionstainingandimmunohistochemistryforα-SMAwereperformedondays7,14,21and30followingsurgery.Theconcentrationof5-Fuinrabbitaqueoushumorwasexaminedbyhighperformanceliquidchromatography(HPLC)3daysafterthesurgery.RESULTS:Statisticaldifferenceswerenotedinintraocularpressureamonggroupsonday7,14,21and30followingsurgery.Histologyfurtherdemonstratedthattrabeculectomyincombinationwithfreeze-driedbilayeredfibrin-bindingamnioticmembraneyieldedwellwoundhealingandnoscarformationandwasbeneficialforlongtermeffect.CONCLUSION:HPLCshowedagoodslow-releaseeffectwithfreeze-driedbilayeredfibrin-bindingamnioticmembrane.

  • 标签: FREEZE-DRIED bilayered fibrin-binding amniotic membrane drug
  • 简介:AIM:Toinvestigatethespecialtyoftranscranialsurgerythroughpterionalapproachforremovalofcranio-orbitaltumors,introducetheophthalmologicalexperiencesofenteringtheorbittoreducetheincidencerateofassociatedcomplicationsofthisoperation.·METHODS:Weperformedaretrospectiveanalysisofaseriesof37casesinvolvingpatientswhounderwenttranscranialsurgerythroughpterionalapproachfortreatmentofcranio-orbitaltumorsinourdepartmentinthepast8years.Pterionapproachcraniotomywasperformedtoallpatients.Afterremovingtumorsintheskullbytheneurosurgeon,ophthalmologistremovedtumorsinorbit.Wetookmeasuresbelowtodecreasecomplications,includinggroundingopticcanalthroughanabrasivedrillingwhennecessary,hangingvariousextraocularmusclestobeexposedforprotection,refrigeratingbyrefrigerationheadstoremovetumors,atlastsewinguporbitseptumaftersurgery.·RESULTS:Tumorswereremovedcompletelyin32cases,andincompletein5casesduetoextensiveinvasionintothecavernoussinusorsphenoidsinus.Ofallthecases,benigntumorsweredemonstratedin28cases(75.6%,28/37)andmalignantin9(24.3%,9/37).Themostcommonlesiontypewasmeningiomain11cases(29.7%,11/37).Extraocularmuscles(EOM)impairment,occurringin21cases(56.7%,21/37),wasthemostfrequentpostoperativecomplication.Themostseriousconsequencewasvisionlossoccurredin4cases(10.8%,4/37).Othercomplications,suchas11casesoftransientblepharoptosis29.7%(11/37),5casesofmydriasisin13.5%(5/7);2casesofcerebrospinalrhinorrheain5.4%(2/37).·CONCLUSION:Cranio-orbitaltumorscanberemovedcompletelyusingtranscranialapproach,andthepterionalapproachoffersexcellentexposure.Cooperationofinterdisciplinaryteamofneurosurgeonsandophthalmologistsconducestofulluseofrespectiveprofessionaladvantages.Theexperienceofophthalmicoperationtechnologycandecreaseoccurrenceofocularcomplicationsaftersurger

  • 标签: cranio-orbital TUMORS TRANSCRANIAL operation COMPLICATIONS OPHTHALMIC