简介：AIMTo在透镜调查Aquaporin-1(AQP-1)的角色上皮的房间(LEC)和它的潜在的目标基因。AQP-1明确地在眼睛的LEC被表示并且为透镜动态平衡和透明性维护是重要的。此处，在LEC的AQP-1表示被调查在奔流formation.METHODSLECs与它的潜在的角色联合在房间幸存上评估它的影响是有带AQP-1的lentivirus的transfected小介入RNA(siRNA)。实时聚合酶链反应(PCR)并且西方的弄污被进行从不同的组在LEC检测AQP-1表示。同时，房间数kit-8(CCK-8)试金和流动cytometry被执行测量LEC增长和apoptosis，respectively.RESULTSAQP-1表示显著地在LEC被减少，两个都在mRNA和蛋白质铺平(P<；0.05)，在siRNA处理以后。减少的房间生存能力被CCK-8试金与siRNA干扰在LEC检测，与控制房间相比(P<；0.05)。apoptosis率显著地在siRNA干扰以后在房间增加了(P<；0.05).CONCLUSIONThe减少了在规定下面的房间生存能力追随者AQP-1大部分由于它LEC的apoptosis的正式就职。AQP-1减小可能在LEC导致生理的功能的变化，它可能与奔流的出现和发展被联系。

简介：·AIM:Toobtainwideningofapotentiallyoccludableangle,inaccordingtoKanski’sindications,throughpreventiveNd:Yaglaseriridotomy.Theobservationalstudywasperformedbyusinggonioscopyfortheselectionandfollow-upof1165treatedeyesandexploitingShaffer-Etiennegonioscopicclassificationasaquality/quantitytestoftheanglerecession.·METHODS:BetweenSeptember2000andJuly2012,586patientswereselectedattheOutpatients’OphthalmologicalClinicofthePoliclinicoUmbertoIofRomeinordertoundergoNd:Yaglaseriridotomy.AGoldmanntypecontactlens,Q-switchedmode,2-3defocus,and7-9mJintensitywith2-3impulsedischargeswereusedforsurgery.·RESULTS:Fromasearlyasthefirstweek,awhole360°anglewideningwereevidentinthepatients,thusshowingthesuccessofNd:Yaglaseriridotomyinsolvingrelativepupilblock.Theangleremainednarrowby270°in14eyesonly,despiterepetitionsoffurthertreatmentwithlaseriridotomyinadifferentpartoftheiris,twicein10eyesandthreetimesin4eyes.·CONCLUSION:Nd:YaglaseriridotomyrevealeditselfasbeingasafeandeffectivetreatmentinwideningthosecriticalShaffer-Etiennegrade1and2potentiallyoccludableangles.

简介：1病例报告患者,男,19岁,军人。因“右眼红胀疼痛、视物模糊4d”于2008-09-10入院。患者曾于2007-10在沈阳某医院行双眼LASIK手术,术后双眼视力稳定在1.2以上。入院时查远视力：右眼0.7,矫正不提高,左眼视力1.5;眼压：右眼11mmHg,左眼12mmHg。右眼睫状充血（＋＋）,角膜上皮完整,角膜瓣边缘痕迹可见、瓣下清洁,角膜基质透明,KP（＋＋）,房闪（＋＋＋）,虹膜纹理欠清晰,眼后节未窥见异常。左眼未见明显异常。

简介：患者男性,66岁.因进食梗咽1个月于2001年1月入院.胃镜检查示距门齿15～20cm处菜花样新生物,中央区缺损,质硬,占管腔1/2.GI示食管上段管壁增厚,最厚处2cm管腔狭窄,无胸水征.

简介：资料患者男性,57岁。以＂橡皮条击伤后出现颜面部、咽喉部肿胀感并呼吸不畅1d＂于凌晨收入院。患者诉入院1d前颜面部不慎被橡皮条击打,当时创面无皮肤破溃、出血,无头昏、头痛,无昏迷,无腹痛、腹泻,未予特殊处理,后渐出现颜面部、咽喉部肿胀感,并有渐进性呼吸不畅。当地医院予抗感染、糖皮质激素（简称激素）等对症处理后,症状减轻。

简介：目的:探讨中老年糖尿病视网膜病变(diabeticretinopathy,DR)患者DR严重程度与血清HbA1c、TNF-α水平的相关性。方法:选取200例糖尿病患者,其中单纯糖尿病患者(DM组)60例,糖尿病伴非增殖期视网膜病变组(NPDR组)80例和糖尿病伴增殖期视网膜病变组(PDR组)60例,并选取80例健康者作为正常对照组(NC组)。观察患者的体检指标,并检测患者的空腹血糖(fastingplasmaglucose,FPG)、餐后2h血糖(2hPG)、血脂、血清糖化血红蛋白(HbA1c)、血清肿瘤坏死因子-α(tumornecrosisfactor,TNF-α)及泪液TNF-α。结果:(1)四组受试者的体质量指数(bodymassindex,BMI)、FPG、2hPG、总胆固醇(totalcholesterol,TC)、甘油三酯(trilycerides,TG)、高密度脂蛋白(highdensitylipoprotein,HDL-C)、低密度脂蛋白(low-densitylipoprotein,LDL-C)等指标比较,差异均具有统计学意义(F=37.211、395.421、42.515、7.385、121.764、121.568、34.567,均P<0.05)。DM、NPDR、PDR三组患者的BMI、FPG、2hPG、TC、TG、HDL-C、LDL-C等指标水平均高于NC组,差异有统计学意义(P<0.05);NPDR组患者的BMI、FPG、2hPG、TC、TG、HDL-C、LDL-C等指标水平均高于PDR组,差异有统计学意义(P<0.05)。(2)四组受试者血清TNF-α、泪液TNF-α及血清HbA1c水平比较,差异均具有统计学意义(F=337.256、215.471、40.522,均P<0.05);DM、NPDR、PDR三组患者的血清TNF-α、泪液TNF-α和血清HbA1c水平均高于NC组,差异有统计学意义(P<0.05);NPDR、PDR两组患者的血清TNF-α、泪液TNF-α和血清HbA1c水平均高于DM组,差异有统计学意义(P<0.05);PDR组患者的血清TNF-α、泪液TNF-α及血清HbA1c水平均高于NPDR组,差异有统计学意义(P<0.05)。(3)泪液TNF-α与血清TNF-α呈正相关(r=0.289,P<0.01);泪液TNF-α与血清HbA1c呈正相关(r=0.375,P<0.01)。结论:中老年DR患者泪液TNF-α水平高于正常人,且随着视网膜病变的加重,泪液TNF-α水平升高。泪液TNF-α与血清TNF-α、HbA1c呈正相关。

简介：目的：研究血管紧张素Ⅱ受体拮抗剂坎地沙坦对糖尿病（DM）大鼠视网膜组织VEGF和MCP-1表达的影响.方法：链脲佐菌素（STZ）制备DM大鼠动物模型36只,随机分为DM模型组和坎地沙坦治疗组,另取18只正常SD大鼠作为正常对照组,每组均随机分为4,8,12wk3个亚组.视网膜铺片联合PAS染色观察视网膜微血管形态学变化,应用SABC免疫组织化学法检测坎地沙坦对大鼠视网膜组织VEGF和MCP-1表达的影响.结果：正常对照组视网膜血管网结构清晰,走行规则;DM模型组血管迂曲阻塞,走行不规则;治疗组见血管网迂曲情况较模型组明显改善,走行较规则.在对照组和模型4wk组中大鼠视网膜组织无VEGF和MCP-1阳性表达或只呈弱阳性表达;模型8wk和12wk组两者阳性表达明显增强,且随着病程延长呈递增趋势.治疗组两者的表达则均较同时期模型组明显减弱,差异有统计学意义（P〈0.05）.结论：研究血管紧张素Ⅱ受体拮抗剂坎地沙坦可降低DM大鼠视网膜VEGF和MCP-1的表达.

简介：目的探讨前房注入1%利多卡因作为表面麻醉的一种辅助麻醉在眼前段内眼手术中的麻醉效果.方法对29例42眼患者眼前段内眼手术,在手术进入前房前,通过1mm前房穿刺或侧切口注入1%利多卡因,观察麻醉效果及术中术后并发症.结果Ⅰ级手术中完全无疼痛,手术配合良好;Ⅱ级术中疼痛轻微,可以耐受配合手术完成;Ⅲ级术中疼痛较剧,难以忍受.Ⅰ级者40眼,Ⅱ级者2眼,Ⅲ级者0眼,术中、术后无出现并发症.结论表面麻醉联合前房注入1%利多卡因是一种安全、有效、并发症少的麻醉方法.

简介：资料患者男性，51岁。因颈前痛及吞咽困难2d于2013年7月16日来我院急诊。患者2d前曾进食猪蹄，之后出现颈前根部梗阻感，伴咽部不适，喜进流质，易流口水。因患者自幼确诊为“21三体综合征”，平日言语表达不清，故家人未能带其及时就医。2d后上述症状加重，于我院行食管造影，结果显示：食管上段可见局部钡棉絮存留征象，双侧中下肺野支气管内钡剂存在（图1）。暂给予禁食、禁水、留院观察等处理。

简介：AIM:ToInvestigatethegeneticfindingsandphenotypiccharacteristicsofaChinesefamilywithNorriedisease（ND）.METHODS:MoleculargeneticanalysisandclinicalexaminationswereperformedonaChinesefamilywithND.MutationsintheNorriediseasepseudoglioma（NDP）geneweredetectedbydirectsequencing.Haplotypeswereconstructedandcomparedwiththephenotypesinthefamily.Evolutionarycomparisonsandmutantopenreadingframe（ORF）predictionwerealsoundertaken.RESULTS:TwofamilymemberswithocularmanifestationswerediagnosedwithND.Nosignsofsensorineuralhearinglosswereobservedineitherpatient,whileoneofthemshowedsignsofmildmentalretardation.AnovelheterozygousmutationintheNDPgene,c.-12delAAT,wasdetectedinbothpatients.ThemutationandthemutationbearinghapiotypecosegregatedwiththeNDphenotypeinmalesandwastransmittedfromtheirmothersand/orgrandmothers（Ⅱ:2）.ThemalewithoutNDdidnotharborthemutation.Themutationoccurredatthehighlyconservednucleotides.DRFfinderpredictedthatthemutationwouldleadtotheproductionofatruncatedproteinthatlacksthefirst11N-terminalaminoacids.CONCLUSION:Anovelmutation,c.-12delAATintheNDPgene,wasidentifiedinaChinesefamilywithND.ThismutationcausedNDwithoutobvioussensorineuralhearingloss.Mentaldisorderwasfoundinonebutnottheotherpatients.Theclinicalheterogeneityinthefamilyindicatedthatothergeneticvariantsandepigeneticfactorsmayalsoplayaroleinthediseasepresentation.

简介：AIM:Tostudytheassociationsbetweenlysyloxidaselike1(LOXL1)polymorphismsandprimaryopenangleglaucoma(POAG)remaininconsistent.Inthisstudy,wehaveperformedameta-analysistoinvestigatetheassociationofLOXL1polymorphismswithPOAGrisk.METHODS:PublishedliteraturefromPubMedandotherdatabaseswereretrieved.AllstudiesevaluatingtheassociationbetweenLOXL1polymorphisms(rs2165241,rs1048661,rs3825942)andPOAGriskwereincluded.Pooledoddsratio(OR)and95%confidenceinterval(CI)werecalculatedusingrandom-orfixed-effectsmodel.RESULTS:Twelvestudieswereidentifiedaseligiblearticles,withthirteen(2098casesand16473controls),thirteen(1795casesand2916controls)andsixteenpopulationcohorts(2456casesand2846controls)fortheassociationofrs2165241,rs1048661andrs3825942withPOAGriskrespectively.OverallanalysesshowednoassociationbetweeneachLOXL1polymorphismandPOAGrisk,andthenegativeassociationswereremainedwhenthesubjectswerestratifiedasCaucasianandAsian.Theheterozygoteofrs2165241wasassociatedwithreducedPOAGriskinhospital-basedpopulations(TCvsCC:OR,0.79,95%CI:0.63-0.99),andrs1048661wasassociatedwithincreasedPOAGriskinhospitalbasedpopulationsinadominantmodel(TTvsCC+CT:OR,1.23,95%CI:1.01-1.50);however,theseassociationswerenotfoundinpopulation-basedsubjects.CONCLUSION:Thismeta-analysissuggeststhatLOXL1polymorphismsarenotassociatedwithPOAGrisk.Giventhelimitedsamplesize,theassociationsofLOXL1polymorphismswithPOAGriskinhospital-basedpopulationsawaitfurtherinvestigation.

简介：目的明确前列腺素E1等药物对神经性耳鸣的疗效及观察其不良反应.方法对381例神经性耳鸣患者分别使用前列腺素E1、盐酸培他啶、尼莫地平,静脉给药后对其疗效进行观察、分析.结果前列腺素E1、盐酸培他啶、尼莫地平静脉给药后的总有效率分别是82.5%、71.8%、71.3%.疗效与病程有关.结论大多数神经性耳鸣患者对上述药物治疗是有效的.其中前列腺素E1具有疗程价格低廉、疗效高、安全、使用方便等相对优点.

简介：0引言放射状角膜切开术（radialkeratotomy，RK）最早见于19世纪末期的眼科文献，1974／1979年前苏联Fyodorov对这一手术的发展做出了巨大的贡献，获得了满意的矫正效果，在世界各地发展较快，1978年传入我国。目前该手术由于预测性差、易出现术中术后并发症等，已基本被淘汰。

简介：目的：分析眼压控制稳定的晚期青光眼术后1a内在不同血压段时视野进展情况。方法：记录晚期青光眼眼压正常患者的舒张期血压及眼压值,并分别做视野检查,通过AGIS评分法判断病程的进展。结果：随访1a,各试验组平均随访眼压值比较无差异;各组视野受损进展率有差异,血压偏低组视野受损进展比较快。结论：低血压是晚期青光眼病程中的危险因素之一。晚期青光眼患者如舒张期血压过低,视野有恶化趋势。

简介：AIM:Toevaluatetheeffectofbrinzolamide-timololfixedcombinationonintraocularpressure(IOP)aftercataractsurgery.METHODS:Thestudyincluded92eyesof87patientswhounderwentcataractsurgeryandintraocularlensimplantation.Patientsscheduledforphacoemulsificationwereassignedto1of2groups.Thetreatmentgroupreceived1dropofbrinzolamide-timololfixedcombinationimmediatelyaftersurgery,andthecontrolgroupreceivednotreatment.TheIOPwasmeasuredpreoperativelyandat2hand24hpostoperatively.RESULTS:ThemeanIOPchangewaslowerinthetreatmentgroupthaninthecontrolgroupat2hpostoperatively.ThedifferencebetweenthemeanIOPvaluesofthetwogroupsat2hpostoperativelywasfoundtobestatisticallysignificant.Twenty-fourhoursafterthesurgery,themeanIOPchangewasstillhigherinthecontrolgroupwhencomparedtothetreatmentgroup.CONCLUSION:ThefixedcombinationbrinzolamidetimololcaneffectivelyreduceIOPaftercataractsurgery.

简介：AIM:Toinvestigatewhethertheresponseofacentralhexagonalelementcorrespondingtothemacularareainconventionalmultifocalelectroretinography(mfERG)testswasthesameasthatofexperimentalmfERGusingsinglecentralhexagonalelementstimulation.METHODS:Prospective,observationalstudy.Thirtyhealthysubjectswereincludedinthisstudy.mfERGrecordingswereperformedaccordingtotwoprotocols:stimuluswith37hexagonalelements(protocol1),andstimuluswithasinglecentralelementcreatedbydeactivatingtheother36hexagonalelements(protocol2).Wecompareddifferencesbetweenring1parametersineachprotocol.RESULTS:Inprotocol1,thefirstpositivecomponent(P1)implicittimeandP1amplitudewere37.8±1.8msand6.3±2.7μV.Aftersingleelementstimulation(protocol2),doublepositivewavesappeared.TheimplicittimeandamplitudeofP1were40.7±2.4ms(P<0.001)and9.1±3.3μV(P=0.001),respectively.Theimplicittimeandamplitudeofthesecondpositivecomponent(P2)were68.0±4.5ms(P<0.001,comparedwithP1inprotocol1)and12.3±4.7μV(P<0.001,comparedwithP1inprotocol1),respectively.TheamplitudeofP2inprotocol2wasabouttwotimeshigherthanthatofP1inprotocol1.CONCLUSION:mfERGresponsesofacentralhexagonalelementinasingleelementstimulationprotocolaredifferentfromthoseofmultipleelementstimulation.Thepositivewaveismoreenhancedcomparedtothatoftheconventionalprotocolanditelongatedintotwowavelets.

简介：目的：报道眼内抗生素注药成功治愈玻璃体腔内注射曲安奈德后感染性眼内炎1例。方法：病例报道。结果：患者1例在接受玻璃体腔内注射曲安奈德后被培养证实并发感染性眼内炎，发病90多小时后进行了玻璃体腔内联合抗生素注射取得了满意的效果。结论：玻璃体腔内注射曲安奈德能够有效减轻视网膜分支静脉阻塞后的黄斑水肿，但患者应该被密切随访以警惕非感染性或细菌感染性眼内炎的发生。

简介：目的本研究针对初发性翼状胬肉局部使用丝裂霉素C（MMC）一次性注射治疗,用免疫组织化学方法对经MMC治疗的翼状胬肉标本中血管内皮生长因子（VEGF）和转化生长因子（TGF-β_1）的表达进行分析研究,并与未使用MMC治疗者的翼状胬肉标本作对比。观察局部注射MMC对翼状胬肉组织中VEGF和TGF-β_1的表达的影响。方法需手术者共19例20眼,随机分为二组：A组直接切除胬肉,留标本作免疫组织化学检查;B组于翼状胬肉颈部进针,向胬肉组织内局部注射MMC,0.1～0.2ml（0.4mg/ml）,3周至10周后手术切除胬肉,留标本作免疫组织化学检查。分别对A、B二组标本中VEGF和TGF-β_1的表达进行分析研究。结果A组VEGF、TGF-β_1的表达较B组高,差异有统计学意义（P〈0.05）。结论丝裂霉素C翼状胬肉局部注射可以抑制静止期翼状胬肉中VEGF、TGF-β_1因子的表达。MMC在低浓度、低剂量下使用未出现眼部严重并发症。

简介：AIM:ToinvestigatetheinterferingeffectofY-27632,aROCK-Iselectiveinhibitor,onthesignaltransductionpathwayoftransforminggrowthfactor-β1(TGF-β1)inocularTenoncapsulefibroblasts(OTFS)invitro.METHODS:AfterOTFSfrompassages4to6invitrowereinducedbyTGF-β1andthentreatedbyY-27632,thechangesoftheOTFScellcycleswereanalyzedviaflowcytometry,andtheproteinsexpressionoftheα-smoothmuscularactin(α-SMA),connectivetissuegrowthfactor(CTGF),collagenIwerecalculatedbyWesternblot.AfterOTFStreatedbythedifferentconcentrationsofY-27632,theexpressionlevelsoftheα-SMA,CTGFandcollagenImRNAwereassayedbyRT-PCR.RESULTS:Y-27632hadnomarkedlyeffectontheOTFScellcycles.AftertreatedbyTGF-β1,OTFSinG1periodsignificantlyincreased.ThecellcyclesdistributionbybothTGF-β1andY-27632hadnoremarkabledifferencefromthatincontrolgroup.Y-27632significantlyinhibitedtheproteinsexpressionsofbothα-SMAandCTGF,whiletosomeextentinhibitedthatofcollagenI.TGF-β1significantlypromotedtheproteinsexpressionsofα-SMA,CTGFandcollagenI.AfterOTFStreatedbybothTGF-β1andY-27632,ofα-SMA,theproteinexpressionwassimilarwiththatincontrolgroup(P=0.066>0.05),buttheproteinexpressionofCTGForcollagenI,respectively,wassignificantlydifferentfromthatincontrolgroup(P=0.000<0.01).Thedifferencesofexpressionsoftheα-SMA,CTGFandcollagenImRNAin30,150,750μmol/LY-27632groupwerestatisticallysignificant,comparedwiththoseincontrolgroup,respectively(α-SMA,P=0.002,0.000,0.000;CTGF,P=0.014,0.002,0.001;collagenI,P=0.003,0.002,0.000).CONCLUSION:BlockingtheRho/ROCKsignalingpathwaybyusingofY-27632couldinhibitthecellularproliferationandtheexpressionofbothCTGFandα-SMAwhateverOTFSinducedbyTGF-β1ornot.Y-27632suppressedtheexpressionofcollagenImRNAwithoutinduction.

简介：AIM:Toinvestigatethelevelsofserumsolubleintercellularadhesionmolecules-1(sICAM-1)andneutrophilicexpressionofCD18inpatientswithvariousstagesofdiabeticretinopathyandtodeterminetheirdifferentexpressionpatterninthedevelopmentofdiabeticretinopathy(DR).·METHODS:LevelsofserumsICAM-1andCD18onthesurfaceofneutrophileweremeasuredin41DRpatients,theywereclassifiedinthreesubgroupsaccordingtothestageofretinopathyasdeterminedbyfund’sophthalmoscopy;10controlsubjectswerealsostudied.sICAM-1weremeasuredbyenzyme-linkedimmunosorbentassayandCD18byflowcytometry.·RESULTS:TheneutrophilicCD18expressionandserumsICAM-1levelwereallsignificantlyelevatedinalldiabeticsubgroupscomparedtocontrolsubjects(P<0.01).ThedifferencesofCD18andsICAM-1amongthediabeticsubgroupsweresignificantinCD18butnotinsICAM-1.TheprogressionofretinopathywasassociatedwithanincreasebothinCD18andinsICAM-1levelsbysimplecorrelationanalysis(β=0.74,P<0.001;β=0.38,P<0.01,respectively).ButstepwisemultipleregressionanalysisrevealedthatonlyCD18wasindependentdeterminantofretinopathy(β=1.04,P<0.01).·CONCLUSION:OurresultsconfirmthecontributionofendothelialandneutrophilicactivationinthedevelopmentofDRasindicatedbyincreasedlevelsofCD18andsICAM-1.However,adirectimplicationofCD18andICAM-1intheprogressionofDRcanbesupportedonlyintheCD18butnotICAM-1.CD18andICAM-1mayplaydifferentroleinthedevelopmentofdiabeticretinopathy.