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.

简介：AIM:Tostudyclinicalfeaturesandgenemutationswithinthepaired-likehomeodomaintranscriptionfactor2(PITX2)geneinapedigreeofbilaterallimbaldermoids.METHODS:Completeeyeexaminationshavebeenperformedoneachindividualofthefamily.Exonsofpaired-likehomeodomaintranscriptionfactor2(PITX2)wereamplifiedbypolymerasechainreaction,sequenced,andcomparedwithareferencedatabase.RESULTS:Wedescribedthephenotype,clinicfindingsinafamilywithtwoaffectedmembers.Themassesoftheproband’seyeswereexcisedsurgicallydemonstratingadermoidcystbyhistopathologicalexamination.NomutationwasdetectedinthegenePITX2inthispedigree.CONCLUSION:Afamilyoflimbaldermoidcystwasreported.Inaddition,nopathogenicsequencevariationswerefoundinPITX2,indicatingthatthisphenotypeinthisfamilyisadistinctiveentity.

简介：·Glaucomaisoneoftheleadingcausesofvisualimpairmentandblindnessworldwide.Ofknownriskfactorsforglaucoma,anincreasedinintraocularpressureismosthighlycorrelatedwithglaucomatousdamage.Irrespectiveofthecause,apoptosisoftheretinalganglioncellsistheeventualoutcome.Itiswidelyacceptedthatglaucomaisaneurodegenerativediseasethatisstronglycorrelatedwithcentralnervoussystemdisorders,suchasAlzheimer’sdisease.Thesetwodisordersalsosharesomesimilaritiesinpathogenicmechanisms.Recentstudiessuggestthatthetransientreceptorpotentialcanonical6channelcouldworktogetherwithbrain-derivedneurotrophicfactortopromoteneuronsurvivalinbrainandretina.Inthisstudy,weproposethattransientreceptorpotentialcanonical6maycontributetothepathogenesisofhumanglaucomaandbecomeapotentialtherapeutictarget.

简介：目的观察联合手术治疗白内障合并青光眼的疗效。方法78例（81眼）闭角型青光眼合并白内障的患者行超声乳化、折叠型人工晶体植入术联合小梁切除及房角分离术;观察术后视力,眼压,滤过以及术后并发症的情况。结果术后三月视力提高65只眼,有效率80.24%,术后视力较术前提高（P〈0.05）;术后六月视力提高69只眼,有效率85.19%,术后视力较术前提高（p〈0.05）,术后六月本组病例的眼压控制率为97.53%。术后六个月68眼形成扁平滤过泡。手术后并发症有：角膜水肿、前房无菌性炎症、前房出血等,经治疗后缓解。讨论超声乳化、折叠型人工晶体植入术联合小梁切除及房角分离术是一种有效而安全的手术方式。

简介：AIM:Toevaluatetheefficacyandsafetyofcornealcollagencrosslinking(CXL)topreventtheprogressionofpost-laserinsitukeratomileusis(LASIK)cornealectasia.·METHODS:Inaprospective,nonrandomized,single-centrestudy,CXLwasperformedin20eyesof11patientswhohadLASIKformyopicastigmatismandsubsequentlydevelopedkeratectasia.Theprocedureincludedinstillationof0.1%riboflavin-20%dextranesolution30minutesbeforeUVAirradiationandevery5minutesforanadditional30minutesduringirradiation.Theeyeswereevaluatedpreoperativelyandat1-,3-,6-,and12-monthintervals.Thecompleteophthalmologicexaminationcompriseduncorrectedvisualacuity,bestspectacle-correctedvisualacuity,endothelialcellcount,ultrasoundpachymetry,cornealtopography,andinvivoconfocalmicroscopy.·RESULTS:CXLappearedtostabiliseorpartiallyreversetheprogressionofpost-LASIKcornealectasiawithoutapparentcomplicationinourcohort.UCVAandBCVAimprovementswerestatisticallysignificant(P<0.05)beyond12monthsaftersurgery(improvementof0.07and0.13logMARat1year,respectively).Meanbaselineflattestmeridiankeratometryandmeansteepestmeridiankeratometryreduction(improvementof2.00and1.50diopters(D),respectively)werestatisticallysignificant(P<0.05)at12monthspostoperatively.At1yearafterCXL,meanendothelialcellcountdidnotdeteriorate.Meanthinnestcorneapachymetryincreasedsignificantly.·CONCLUSION:Theresultsofthestudyshowedalong-termstabilityofpost-LASIKcornealectasiaaftercrosslinkingwithoutrelevantsideeffects.Itseemstobeasafeandpromisingproceduretostoptheprogressionofpost-LASIKkeratectasia,therebyavoidingordelayingkeratoplasty.

简介：AIM:Toexaminetheexpressionofsurvivinandvascularendothelialgrowthfactor(VEGF)duringthedevelopmentofretinalneovascularization(NV)inamousemodel.·METHODS:Awell-characterizedmurinemodelofretinalNVwasusedtostudytheexpressionofsurvivinandVEGF.NVoftheretinawasinducedinmicebyexposureto75%O2frompostnataldayP7toP12,followedbyreturntoroomairfromP12toP17.ExpressionofsurvivinandVEGFproteinwasanalyzedbyImmunohistochemistry.Inaddition,mousemodelofproliferativeretinopathywasanalyzedbyretinalfluoresceinangiographyandquantificationanalysis.·RESULTS:Thenormalmicehadbothsuperfiekalanddeepvascularlayersthatextendedfromtheopticnervetotheperiphery.Inintraocularpressure(IOP)micewerecharacterizedbyrepresentatypicalpatternofpathologicalretinalNV.Therearelessorlittlenucleiofnewvesselsvascularendothelialcellbreakingthroughtheinnerretinalthaninretinopathyofprematurity(ROP)mice,largeclustersofbloodvesselswereadherenttotheinternallimitingmembrane(ILM)(0.27±0.20vs23.38±1.027,t=9.454,P<0.001).DuringtheangiogenicperiodfromP13toP17,survivinandVEGFproteinexpressionincreasedinexperimentalretinascomparedwithcontrolsamples(2.56±0.46vs3.34±0.40,t=17.43,P<0.01:2.18±0.75vs4.34±0.25,t=19.61,P<0.01).ProteinlevelsofVEGFandsurvivnhassignificantlypositivecorrelation(P<0.05,r=0.411).·CONCLUSION:CorrelationwasmadeattheproteinlevelsofsurvivinexpressioncomparedwiththatofVEGFinamurinemodelofretinalNV,whichsuggestsatemporalroleforsurvivinandVEGFinnewvesselformationinresponsetohypoxicstimulation.

简介：AIM:Toestablishanuntransfectedhumancornealstromal(HCS)celllineandcharacterizeitsbiocompatibilitytoacellularporcinecornealstroma(aPCS).·METHODS:PrimaryculturewasinitiatedwithapurepopulationofHCScellsinDMEM/F12media(pH7.2)containing20%fetalbovineserumandvariousnecessarygrowthfactors.Theestablishedcelllinewascharacterizedbygrowthproperty,chromosomeanalysis,tumorigenicityassay,expressionofmarkerproteinsandfunctionalproteins.Furthermore,thebiocompatibilityofHCScellswithaPCSwasexaminedthroughhistologicalandimmunocytochemistryanalysesandwithlight,electronmicroscopies.·RESULTS:HCScellsproliferatedtoconfluence2weekslaterinprimarycultureandhavebeensubculturedtopassage140sofar.AcontinuousuntransfectedHCScelllinewithapopulationdoublingtimeof41.44hoursatpassage80hasbeendetermined.Resultsofchromosomeanalysis,morphology,combinedwiththeresultsofexpressionofmarkerproteinandfunctionalproteinssuggestedthatthecellsretainedHCScellproperties.Furthermore,HCScellshavenotumorigenicity,andwithexcellentbiocompatibilitytoaPCS.·CONCLUSION:Anuntransfectedandnon-tumorigenicHCScelllinehasbeenestablished,andthecellsmaintainedpositiveexpressionofmarkerproteinsandfunctionalproteins.Thecellline,withexcellentbiocompatibilitytoaPCS,mightbeusedforinvitroreconstructionoftissue-engineeredHCS.

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

简介：AIM:Todemonstratethemorphologyandstructureofinvitroreconstructedtissue-engineeredhumancornealepithelium(TE-HCEP)withseedercellsfromanuntransfectedHCEPcellline.·METHODS:TheTE-HCEPswerereconstructedinvitrowithseedercellsfromanuntransfectedHCEPcellline,andscaffoldcarriersofdenudedamnioticmembrane(dAM)inair-liquidinterfaceculturefor3,5,7and9days,respectively.Thespecimenswereexaminedwithhematoxylin-eosin(HE)stainingofparaffin-section,immunocytochemicalstaining,scanningandtransmissionelectronmicroscopy.·RESULTS:DuringinvitroreconstructionofTE-HCEP,HCEPcellsformeda3-4,6-7and8-10layersofanHCEP-likestructureondAMsinair-liquidinterfaceculturefor3,5and7days,respectively.Butthecellsdeceasedto5-6layersandthestructureofstraifiedepitheliumbecamelooseatday9.Andthecellsmaintainedpositiveexpressionofmarkerproteins(keratin3andkeratin12),cell-junctionproteins(zonulaoccludens-1,E-cadherin,connexin43andintegrinβ1)andmembranetransportproteinofNa+-K+ATPase.TheHCEPcellsinTE-HCEPwererichinmicrovillionapicalsurfaceandestablishednumerouscell-cellandcell-dAMjunctionsatday5.·CONCLUSION:ThemorphologyandstructureofthereconstructedTE-HCEPweresimilartothoseofHCEPinvivo.TheHCEPcellsinthereconstructedTE-HCEPmaintainedthepropertiesofHCEPcells,includingabilitiesofformingintercellularandcell-extracellularmatrixjunctionsandabilitiesofperformingmembranetransportation.TheuntransfectedHCEPcellsanddAMscouldpromisinglybeusedinreconstructionHCEPequivalentforclinicalcornealepitheliumtransplantation.