简介：目的：研究带有Ⅲ级以上硬核的复杂性白内障，两种手术方式的治疗效果。方法：回顾性分析52眼带有Ⅲ级以上硬核的复杂性白内障患者，采取晶状体超声粉碎技术（A组）以及小切口白内障囊外摘除（B组）不同术式的治疗效果。结果：A组术后最佳矫正视力的提高优于B组，差异有统计学意义（P〈0．05）；两种手术方式对中央角膜厚度的影响，差异无统计学意义（P〉0．05）；A组手术中对角膜内皮的影响多于B组，差异有统计学意义（P〈0．05）；A组手术并发症的发生低于B组，差异有统计学意义（P〈0．05）。结论：对于治疗带有Ⅲ级以上硬核的复杂性白内障，超声粉碎晶状体技术可以考虑应用。

简介：AIM:Toassessthequantitativeassociationbetweenanisometropiamagnitude(AM)andthelossesofresolutionandcontrastsensitivity;andtoexemplifyhowthefunctionoffusionandstereopsisvarywithAMinpreviouslyuntreatedanisometropicamblyopia.METHODS:Atotalof57patientswithpreviouslyuntreatedanisometropicamblyopiawithoutstrabismus(range:8-35years),weremeasuredrefractiveerror,bestcorrectedvisualacuity(BCVA),fusionandstereopsis,and48patientshavecompletedcontrastsensitivityfunctiontest.AMwasdeterminedbydioptricvectoradditionmodel,andtheamblyopiadepthwasdeterminedbythedifferenceofBCVAinlogMARunitsbetweentheamblyopicandfelloweyes.RESULTS:AMwassignificantlycorrelatedwithbothamblyopiadepth(PearsonR=0.728,P<0.001)andtheinter-oculardifferenceoftheareaunderthelogcontrastsensitivityfunction(AULCSF)(R=0.505,P<0.001).Depthofamblyopiaandtheinter-oculardifferenceofAULCSFwasalsosignificantlycorrelated(R=0.761,P<0.001).Themoreseverityofamblyopia,thepoorerlevelsofcontrastsensitivity.MostpureanisometropeswithAMwaslessthan3.0Dretainfusionandsomestereopsis,butwhenAMweremorethan3.0D,especiallyfortheanisometropeswhoseAMwasmorethan6.0D,fusionandstereopsisfunctionwereseriouslyimpaired.CONCLUSION:Inthepatientswithpreviouslyuntreatedanisometropicamblyopia,higherdegreeofanisometropiaissignificantlyassociatedwithdeeperamblyopia,worsecontrastsensitivity,fusionandstereopsisfunctions.

简介：目的：探讨应用532倍频激光阈值下光凝治疗糖尿病性黄斑水肿（diabeticedema，DME）的临床效果。方法：选取非增殖期的弥漫性DME患者32例57眼，按随机化原则分为实验组和对照组，实验组采用阈值能量的80％进行黄斑区格栅样光凝，对照组采用阈值激光进行光凝，两组除能量不同外，其他的激光治疗参数均一致。两组患者均在光凝前、光凝后1wk；1，3mo进行视力、OCT、眼底检查；在光凝前、光凝后3mo进行FFA检查；并对这些检查结果进行对比分析。结果：光凝后1mo，实验组的眼视力提高占11．1％，不变占66．7％，下降占22．2％，对照组中提高占13．3％，不变占63．3％，下降占23．3％；实验组黄斑水肿部分吸收占40．7％，不吸收占59．3％，对照组黄斑水肿完全吸收占6．7％，部分吸收占53．3％，不吸收占40．0％。实验组在视力提高和黄斑水肿吸收两方面均比对照组差，但差异没有统计学意义（P〉0．05）。光凝后3mo，实验组在视力提高和黄斑水肿吸收两方面数据接近，差异没有统计学意义（P〉0．05）。结论：阈值下激光光凝治疗DME可取得和阈值激光相似的治疗效果，并可减少激光对视网膜的损害。

简介：目的分析白内障超声乳化加人工晶体植入联合小梁切除术中单切口术式和双切口术式对手术效果的影响.方法28例（31眼）青光眼合并白内障病例分为A、B两组.A组（单切口组）：15例（17眼）,巩膜隧道切口行白内障超乳＋IOL植入＋小梁切除术；B组（双切口组）：13例（14眼）,透明角膜切口行白内障超乳＋IOL植入,上方做传统小梁切除术.分析比较两组术后眼压、视力及并发症情况,随访3-6月.结果术后随访3-6月,两组视力均有提高.眼压：A组术前平均眼压33.21mmHg,术后16.24mmHg;B组：术前平均眼压34.25mmHg,术后15.74mmHg.术后眼压与术前相比,两组均有明显差异性；术后平均眼压两组之间无明显差异性.术后并发症无明显差异,功能性滤过泡数量两组之间无明显差异.结论超乳青光眼白内障联合手术,单切口和双切口术式均有良好的降低眼压、提高视力的作用,是治疗闭角型青光眼合并白内障安全、有效的方法.

简介：近视眼的发病与多种因素相关,其中最主要的是遗传和环境因素.大量的近视相关研究提示近视的发生是在异常视觉信息的作用下,视网膜、脉络膜内多种神经递质和生长因子的表达发生改变,通过一系列信号传导过程引起巩膜重塑、眼轴延长而成.多种细胞因子通过NMDAR-1/NO-cGMP、TGF-β1/Smad3、JAK-Stat3等信号通路调控近视的形成与发展.本文就影响近视形成的几个主要信号传导通路的研究进展做一综述.

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

简介：目的：评估以反复针刺分离联合结膜下注射5-FU的方法处理青光眼术后功能不良滤过泡的效果。方法：回顾性分析2009—03／2013—02在我院以反复针刺分离联合结膜下注射5-FU的方法处理因青光眼术后滤过泡功能不良而眼压升高的连续病例34例34眼。分析治疗后眼压、滤过泡形态的变化及眼部并发症。结果：治疗后平均眼压从35．51mmHg降至14．43mmHg（P〈0．05），成功率达91％。常见并发症包括角膜上皮损伤、结膜撕裂和脉络膜脱离等。结论：反复针刺分离联合结膜下注射5-Fu的方法处理青光眼术后滤过泡功能不良安全有效。

简介：目的比较胬肉切除联合自体结膜瓣移植术和胬肉切除联合角膜缘干细胞移植术治疗翼状胬肉的效果.方法对2008年1月至2012年4月在我院采用两种术式治疗的134例患者的病案资料进行回顾性分析.结果胬肉切除联合自体结膜瓣移植术治愈率为89.9％,胬肉切除联合角膜缘干细胞移植术治愈率为94％,两种治疗方法比较有统计学意义（x2=4.7947,P＜0.05）.结论胬肉切除联合角膜缘干细胞移植术的效果优于胬肉切除联合白体结膜瓣移植术.

简介：目的评价阿奇霉素口服和磺胺醋酰钠眼水点眼两种方法治疗沙眼的疗效差异.方法对2013年1月至2013年5月在我院诊治的60例沙眼患者,随机分为治疗组和对照组,每组30人,分别采用阿奇霉素口服和磺胺醋酰钠眼水点眼两种方法进行治疗,然后对两组疗效进行对比分析.结果阿奇霉素口服治疗沙眼治愈率为86.7％,磺胺醋酰钠眼水点眼治愈率为70.0％,两种治疗方法的治愈率比较差别有统计学意义（x2=10.24,P=0.0014,P＜0.05）.结论阿奇霉素口服治疗沙眼的效果优于磺胺醋酰钠眼水点眼,且用药简单,依从性好,是一种治疗沙眼值得普及的方法.

简介：目的比较翼状胬肉切除联合生物羊膜移植与翼状胬肉切除联合自体角膜缘干细胞移植对原发性翼状胬肉的治疗效果.方法翼状胬肉患者186例190眼.分为A、B二组,A组60眼翼状胬肉切除联合生物羊膜移植术；B组130眼翼状胬肉切除联合自体角膜缘干细胞移植术.术后随访6-24个月,观察翼状胬肉复发率.结果A组60眼中9眼复发,复发率15.0％;B组130眼中7眼复发,复发率5.38％,x2=4.922,P=0.03,差异有统计学意义.结论在防止胬肉复发方面,角膜缘干细胞移植组优于生物羊膜移植组.

简介：AIM:ToinvestigatethesideeffectsofthecommonlyusedlasertreatmentalongwithtestingtheneuroprotectiveeffectofbFGFonapotentialretinalimpairment.METHODS:Todothis,30chinchillapigmentedadultmalerabbitsweredividedintothecontrolandexperimentalgroups.ThecontrolandexperimentalgroupsunderwentbothlaserapplicationandbFGFtreatment.Theretinaltissueimpairmentanditsrenewalrateweretestedunderthelightandelectronmicroscopicallevels.RESULTS:Thefocallaserapplicationonrabbiteyescausedmorphologicalalterationsbothintheapplicationregionandintheneighbouringareas.Inthedamagedareas,theouternuclearlayeroftheneuralretinawasalmostdisappeared,retinapigmentepitheliumwasinterrupted,theretinapigmentepitheliummigratedintraretinally,andthedamagedregionalongwithneighbouringareasseemedtobenotseparated.bFGFapplicationjustafterthelaserphotocoagulation,revealedbetterresultsinapplicationareas.CONCLUSION:ItcouldbesuggestedthatthebFGFapplicationfollowinglaserphotocoagulationmighthaveprotective,repairingandwoundhealingeffectsontheretina.

简介：AIM:ToinvestigatetheexpressionsoftypeIcollagen,α2integrinandβ1integrinintheposteriorscleraofguineapigswithdefocusmyopiaandwhetherbasicfibroblastgrowthfactor(bFGF)injectioninhibitstheformationanddevelopmentofmyopiabyupregulatingtheexpressionoftypeIcollagen,α2integrinandβ1integrin.METHODS:After14daysoftreatment,therefractivestateandaxiallengthweremeasuredandthelevelsoftypeIcollagen,α2integrinandβ1integrinwereassayedintheposteriorscleraeofgroupsofguineapigsthatworeamonocular-7Dpolymethylmethacrylate(PMMA)lensorhad-7DlenswearfollowedbytheperibulbarinjectionofPhosphateBufferSolution(PBS)orbFGF.Theuntreatedfelloweyeservedasacontrol.Guineapigswithnotreatmentservedasnormalgroup.·RESULTS:Theresultsshowedthat14daysofmonoculardefocusincreasedaxialeyelengthandrefraction,whilebFGFdeliveryinhibitedthemmarkedly.Further,itwasalsofoundthatthemonocular-7DlenscoulddecreasethelevelsoftypeIcollagen,α2integrinandβ1integrinexpressions,while,unlikePBS,bFGFincreasedthemsignificantlyincomparisontocontralateralcontroleyesandnormaleyes.CONCLUSION:bFGFcanpreventtheformationanddevelopmentofdefocusmyopiabyupregulatingtheexpressionsoftypeIcollagen,α2integrinandβ1integrin.Takentogether,ourresultsdemonstratethatbFGFpromotesscleraremodelingtopreventmyopiainguineapigs.

简介：AIM:Tocomparethetrabecularmeshwork(TM)andirisapoptosisoftreatedanduntreatedprimaryopenangleglaucoma(POAG)patients.METHODS:Eighttreatment-naive,newlydiagnosed(group1)and11medlcaiytreated(group2)patientswithPOAGwereincludedinthestudy.Eachpatientunderwentalimbus-basedtrabeculectomy.TheTMandperipheralirisspecimensweredissectedoutandweresnap-frozeninliquidnitrogenandstoredat-80tuntiltheywereassayed.ApoptosisineachgroupwasassesedbyTUNELmethod.RESULTS:Themeanpatientagewas60.6±5.8years(53-68years)vs58.9±8.9years(47-70years)ingroup1andgroup2(P=0.859).Themeantreatmenttimeingroup2was22.2±7.3months(12-34months).ApoptoticindexesinTMandirisweresignificantlyhigherinPOAGpatientsusingmedication(group2)comparedtotreatment-naivePOAGpatients(group1)(P=0.004,0.015;respectively).CONCLUSION:LongtermadministrationoftopicalantiglaucomamedicationscausesadditionaltoxiceffectsonTM.

简介：AIM:ToidentifythefunctionofST2andexploretheroleofIL-33/ST2signalinginregulatingthepro-allergiccytokineproductioninhumancornealepithelialcells(HCECs).METHODS:HumancornealtissuesandculturedprimaryHCECsweretreatedwithIL-33indifferentconcentrationswithoutorwithdifferentinhibitorstoevaluatetheexpression,locationandsignalingpathwaysofST2inregulatingproductionofpro-allergiccytokineandchemokine.TheexpressionofmRNAwasdeterminedbyreversetranscriptionandrealtimePCR,andproteinproductionwasmeasuredbyenzyme-linkedimmunosorbentassay(ELISA),immunohistochemicalandimmunofluorescentstaining.ST2proteinwasdetectedindonorcornealepithelium,andST2signalwasenhancedbyexposuretoIL-33.·RESULTS:IL-33significantlystimulatedproductionofpro-allergiccytokinesthymicstromallymphopoietin(TSLP)andchemokine(CCL2,CCL20,CCL22)inHCECsatbothmRNAandproteinlevels.Thesestimulatedproductionsofpro-allergicmediatorsbyIL-33wereblockedbyST2antibodyorsolubleST2protein(P<0.05).Interestingly,theIκB-αinhibitorBAY11-7082orNF-κBactivationinhibitorquinazolineblockedNF-κBp65proteinnucleartranslocation,andalsosuppressedtheproductionsofthesepro-allergiccytokinesandchemokineinducedbyIL-33.CONCLUSION:ThesefindingsdemonstratethatIL-33/ST2signalingplaysanimportantroleinregulatingIL-33inducedpro-allergicresponses.IL-33andST2couldbecomenovelmoleculartargetsfortheinterventionofallergicdiseasesinocularsurface.

简介：目的探讨两种不同手术方式治疗翼状胬肉对泪液功能的影响及影响因素。方法选取翼状胬肉患者40例（40只眼）随机分成两组：A组20个病人（20只眼）翼状胬肉切除联合冻干羊膜移植术；B组20＋病人（20只眼）翼状胬肉切除联合带自体角膜缘干细胞结膜瓣移植术。术前，术后1mo，术后3mo行泪膜破裂时间（BUT）、泪液分泌试验（SchirmerI）、角膜荧光素染色（CSF），评价翼状胬肉及翼状胬肉切除术后泪膜功能变化对患者生活质量的影响。结果两组病人术后lmoBUT缩短，角膜荧光素染色增多，差异有统计学意义（P〈0．05），而术后SchirmerI与术前相比无统计学意义，两组术后3moBUT，SchirmerI，CFS与术前相比无统计学意义，翼状胬肉切除联合带自体角膜缘干细胞结膜瓣移植术组术后早期泪膜稳定性优于翼状胬肉切除联合冻干羊膜移植术，差异具有统计学意义∞〈0．05）。结论翼状胬肉切除术早期对泪膜功能有影响。翼状胬肉切除联合带自体角膜缘干细胞结膜瓣移植术早期对泪膜的影响小于翼状胬肉切除联合冻干羊膜移植术。

简介：AIM:ToanalyzecasesofobstructionofthenasolacrimalductwhichcreatesafertileenvironmentforsecondarybacterialInfectionandcanresultindacryocystitis,whichisaconstantthreattocorneaandorbitalsofttissueandapotentialsourceofendophthalmitisfollowingintraocularsurgery.Themajorityofobstructionsofthelacrimalexcretoryoutflowsystemareacquiredonesoccurringinadulthoodandinvolvingthedistalpartsofthesystem.Acquiredobstructionmaybeprimary/idiopathicorsecondarytoawidevarietyofinfectious,inflammatory,traumatic,mechanical,toxicorneoplasticcausesmimickingidiopathicinflammation.Thesecasesaretreatedbydacryocystorhinostomy(DCR).METHODS:Thepresentstudywasconductedtodeterminethehistopathologic,immunohistochemicalandcurrentmicrobiologiccharacteristicsoflacrimalsacspecimensinpatientsundergoingexternaldacryocystorhinostomy.RESULTS:Non-specificlacrimalsacpathologywaspresentinall33casesand81.8%ofthecasesshowedmoderatechronicinflammationwithachronicinflammatoryscore(CIS)rangingbetween4and6,whereas12.12%showedsevereinflammatorychangeswithaCISof7.Milddegreeofinflammationwasseenin6.06%withaCISof3.Thetotalprevalenceofgrampositive,gram-negative,andculture-negativesampleswere59.4%,37.5%,and3%respectively.CONCLUSION:Non-specificchronicinflammationwithfibrosisisindeedthemostcommonlyreportedhistopathologicalfindinginlacrimalsacwallbiopsyspecimens.

简介：Choroidalneovascularization(CNV)isanuncommoncomplicationassociatedwithamacularhole.Inthiscasereportofararecondition,wepresentapathologicmyopiapatientwithaco-existentmacularholeandchoroidalneovascularmembrane.ThepatientwastreatedwithphotodynamictherapyforCNV,andthenvitreoussurgeryfortheretinaldetachmentandmacularhole.Attheendof4yearsfollow-up,hervisualacuitywasimprovedto0.1whilethemacularholeremainedopen.OpticalcoherencetomographyisausefulinspectionmethodofthediagnosisofCNVandmacularhole.

简介：目的评价小切口白内障囊外摘除人工晶状体植入联合小梁切除术治疗急性闭角型青光眼合并白内障患者的安全性和有效性.方法对29例（29眼）急性闭角型青光合并白内障患者,在眼压控制正常、稳定,皮质类固醇局部抗炎,葡萄膜炎症得到显著控制后,行小切口白内障囊外摘除人工晶状体植入联合小梁切除术,术后随访6～12个月.结果术后眼压正常,视功能较术前有不同程度的改善.术中并发症有剪除周边虹膜时少量出血,术后并发症有角膜水肿（后弹力层皱褶）、葡萄膜炎、人工晶状体表面渗出膜等,无暴发性脉络膜出血、前房延缓形成、角膜失代偿、睫状环阻滞性青光眼等并发症发生.结论急性闭角型青光眼合并白内障患者,在眼压正常、葡萄膜炎症控制后,行小切口白内障囊外摘除人工晶体植入联合小梁切除术,对控制患眼眼压,减少术后前房延缓形成,角膜失代偿等并发症的发生,以及不同程度的保护和恢复视功能方面有积极的意义和较好的临床效果.本手术是安全和有效的,且费用低廉,尤其适合基层开展.

简介：目的：观察链脲佐菌素（STZ）诱发糖尿病大鼠在造模后血-视网膜屏障（blood—retinabarrier，BRB）变化情况，并以阳性药为对照研究中药芪灯明目胶囊对STZ诱发糖尿病大鼠的视网膜血管渗漏影响。方法：采用STZ腹腔注射制作糖尿病大鼠模型，在造模后6too内各时点（2wk；1，2，3，4，5，6mo）采用伊文思蓝灌注示踪显示血一视网膜的渗漏情况，在造模后3too开始用中药芪灯明目胶囊（低中高剂量组分别给予125，250，500mg／kg体质量剂量的胶囊内容物灌胃），对照组用安多明胶囊（200mg／kg体质量剂量，相当于10倍成人剂量），灌胃3mo，观察药物对BRB的影响。结果：STZ糖尿病大鼠在2wk即可出现BRB的损害，并随着高血糖状态的持续而不断加重。对造模3tooSTZ糖尿病模型大鼠连续灌胃中药芪灯治疗3mo，结果提示：中药芪灯对STZ糖尿病BRB有保护作用，可明显减少视网膜血管的渗漏。结论：STZ糖尿病模型大鼠在早期即可出现BRB损害，并随着高血糖的持续而加重，中药芪灯明目胶囊可减少高血糖导致的BRB损害。

简介：AIM:ToinvestigatetheroleofRho-associatedproteinkinase(ROCK)inhibitor,Y27632,inmediatingtheproductionofextracellularmatrix(ECM)componentsincludingfibronectin,matrixmetallo-proteinase-2(MMP-2)andtypeIcollagenasinducedbyconnectivetissuegrowthfactor(CTGF)ortransforminggrowthfactor-β(TGF-β)inahumanretinalpigmentepithelialcellline,ARPE-19.METHODS:TheeffectofY27632ontheCTGForTGF-βinducedphenotypeinARPE-19cellswasmeasuredwithimmunocytochemistryasthechangeinF-actin.ARPE-19cellsweretreatedwithCTGF(1,10,100ng/mL)andTGF-β(10ng/mL)inserumfreemedia,andanalyzedforfibronectin,laminin,andMMP-2andtypeIcollagenbyRT-qPCRandimmunocytochemistry.CellswerealsopretreatedwithanROCKinhibitor,Y27632,toanalyzethesignalingcontributingtoECMproduction.·RESULTS:TreatmentofARPE-19cellsinculturewithTGF-βorCTGFinducedanECMchangefromacobblestonemorphologytoamoreelongatedswirlpatternindicatingamesenchymalphenotype.RT-qPCRanalysisanddifferentgeneexpressionanalysisdemonstratedanupregulationinexpressionofgenesassociatedwithcytoskeletalstructureandmotility.CTGForTGF-βsignificantlyincreasedexpressionoffibronectinmRNA(P=0.006,P=0.003respectively),lamininmRNA(P=0.006,P=0.005),MMP-2mRNA(P=0.006,P=0.001),COL1A1mRNA(P=0.001,P=0.001),COL1A2mRNA(P=0.001,P=0.001).PreincubationofARPE-19withY27632(10mmol/L)significantlypreventedCTGForTGF-βinducedfibronectin(P=0.005,P=0.003respectively),MMP-2(P=0.003,P=0.002),COL1A1(P=0.006,P=0.003),andCOL1A2(P=0.006,P=0.004)geneexpression,butnotlaminin(P=0.375,P=0.516).CONCLUSION:OurstudydemonstratedthatbothTGF-βandCTGFupregulatetheexpressionofECMcomponentsincludingfibronectin,laminin,MMP-2andtypeIcollagenbyactivatingtheRhoA/ROCKsignalingpathway.Duringthisprocess,ARPE-19cellswereshowntochangefromanepithelialtoamesenchymalphenotypeinvi