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：目的探讨青光眼患者健康教育效果.方法将100例青光眼患者随机分为对照组和实验组,对照组采取传统的功能制护理模式,对病人实施常规护理；实验组患者在此基础上,针对患者疾病各个阶段,全程实施健康教育.结果实验组患者术后并发症及焦虑发生率明显低于对照组,对疾病知识知晓率和对护理工作满意度高于对照组.结论对青光眼患者实施全程健康教育能有效减轻患者焦虑情绪,提高护理工作满意度.

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：分析增殖期糖尿病视网膜病变（proliferativediabeticretinopathy，PDR）患者进行围手术期干预的临床效果。方法：回顾性分析2009—05／2011—12我院40例52眼糖尿病视网膜病变的病历及随访资料，其中男15例20眼，女25例32眼，年龄31～78岁。全部患者术前均进行视力、眼压、裂隙灯显微镜眼底检查、眼B超、角膜内皮镜等检查，术后1，2wk；1，2，3，6mo随访，观察患者的视力、眼压、人工晶状体、眼底情况，围手术期观察患者的血糖、血压、全身情况、不良事件等结果。全部患者实施围手术期干预措施。依据患者患有的与糖尿病相关的全身合并症的诊断进行评分，每种合并症记1分，无合并症记0分。手术方式为玻璃体切割十全视网膜光凝，合并黄斑水肿及黄斑前膜者行黄斑内界膜剥离，合并白内障者同期行自内障超声乳化吸出，I期植入或不植入人工晶状体，根据术中情况眼内填充长效气体／硅油／曲安奈德；术中常规进行心电监护，出现明显血压波动者在麻醉医师监护下行控制性降压。结果：所有糖尿病视网膜病变患者中I型5例，双眼手术者12例（30％），左右眼各14例（35％）。PDRIV期15眼（28．8％），V期16眼（30．8％），VI期21眼（40．4％）。术前视力低于0．02者38眼（73．1％），0．02～0．1者7眼（13．5％），0．1～0．3者5眼（9．6％），0．3以上者2眼（3．8％）。术后随访视力低于0．02者17眼（32．7％），0．02～0．1者9眼（17．3％），0．1～0．3者14眼（26．9％），0．3以上者12眼（23．1％）。1次手术治愈者47眼（90．4％），再次手术者5眼（9．6％）；术后早期轻度玻璃体再出血者5眼（9．6％），晚期玻璃体再出血合并新生血管性青光眼者1眼（1．9％），感染性眼内炎者1眼（1．9％）。本组患者在我院内科确诊患有合并症的患者为17例（42．

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

简介：AIM:ToinvestigatetheeffectofY-27632onthesurvivalandneuriteoutgrowthoftheculturedretinalneurocytes.METHODS:Afterthepostnatalday2-3,Sprague-Dawleyretinalneurocyteswereculturedfor48hours,theculturemediawasreplacedwithserum-freemedia(controlgroup)andserum-freemediacontained30μmol/LY-27632(Y-27632group),andthecellswerecontinuallyculturedanother48hours.Theculturedretinalneurocyteswereidentifiedwithanti-neuronspecificenolase(NSE)immunocytochemistry.ThesurvivalstateofthosecellswasestimatedbyMTTassay,andtheneuriteoutgrowthofthosecellswasevaluatedbythecomputerizedimage-analysissystem.RESULTS:Comparedwiththecontrolgroup,theabsorbancevaluesofcellssurvivalinY-27632groupincreased12.90%and33.33%respectivelyafter72and96hoursculture.Y-27632hadnosignificanteffectonthediameterofculturedretinalneurocytes.Comparedwiththecontrolgroup,Y-27632inducedastableimprovementofneuriteoutgrowthofretinalneurocytesafter72and96hoursculture(P=0.001).CONCLUSION:Y-27632couldpromotethesurvivalandneuriteoutgrowthoftheearlypostnatalculturedretinalneurocytes.

简介：AIM:ExcessivedissolveofcornealtissueinducedbyMMPswhichwereactivatedbycytokinsandchemokineswillleadtocornealulcer.ThemolecularmechanismofLipoxinA4(LXA4)oncornealcollagendegradationinthreedimensionswasinvestigated.·METHODS:Rabbitcornealfibroblastswereharvestedandsuspendedinserum-freeMEM.TypeIcollagen,DMEM,collagenreconstitutionbufferandcornealfibroblastsuspensionweremixedonice.Theresultantmixturesolidifiedinanincubator,afterwhichtestreagentsandplasminogenwasoverlaidandthecultureswerereturnedtotheincubator.Thesupernatantsfromcollagengelincubationswerecollectedandtheamountofhydroxyprolineinthehydrolysatewasmeasured.ImmunoblotanalysisofMMP-1,-3andTMMP-1,-2wasperformed.MMP-2,-9wasdetectedbythemethodofGelatinzymography.Cytotoxicityassaywasmeasured.RESULTS:LXA4inhibitedcornealcollagendegradationinadoseandtimemanner.LXA4inhibitedtheIL-1βinducedincreasesinthepro-MMP-1,-2,-3,-9andactiveMMP-1,-2,-3,-9inaconcentrationdependentmanner.LXA4alsoinhibitedtheIL-1βinducedincreasesinTIMP-1,-2.CONCLUSION:Asapotentanti-inflammationreagent,LXA4caninhibitcornealcollagendegradationinducedbyIL-1βincornealfibroblaststhusinhibitingcornealdissolvingpathologyprocess.

简介：AIM:Todeterminethehistopathologicalchangesofrifampicinappliedintravitreallyonretinalganglioncellsbymeansofstereologicalandhistopathologicalmethods.METHODS:Forthisstudytwenty-fourNewZealandadultrabbitsweredividedintofourgroups(n=6foreachgroup).50μg/0.1mL(group1),100μg/0.1mL(group2),150μg/0.1mL(group3)and200μg/0.1mL(group4),rifampicinwereinjectedintothevitreousoftherighteyesofanimals,theirlefteyeswereusedascontrol(group5).Afterthe28thdayofapplication,animalswereanesthetisedwithxylazine(8mg/kg,IM)andthentheireyeswereenucleatedimmediately.Patternsweretakenawayandeyeswerepreparedforbothstereologicalandelectromicroscopicobservation.RESULTS:Dependingonthehighdoseofrifampicin,somehistopathologicalchangessuchascytoplasmicdilatationanddamagedmembranewereobservedontheelectromicroscopiclevel.Usingquantitativeexamination,whichwasdoneatthelightmicroscopiclevel,itwasshownthatthenumberofneuronsdecreasedlinearlyasrifampicindoseincreasedwhencomparedwiththecontrolgroup.CONCLUSION:Basedonthesefindings,low-doserifampicin(50μg/0.1mL)maybeusefulfortreatmentoftheoculardiseases.

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:ToinvestigatetheeffectofintravitrealinjectionofDL-alpha-aminoadipicacid(DL-α-AAA)onocularrefractivestateandretinaldopamine,transforminggrowthfactor-β2(TGFβ2),vasoactiveintestinalpolypeptide(VIP)inguineapigform-deprivedmyopia.METHODS:Four-week-oldpigmentedguineapigswererandomlyassignedto4groups:normalcontrol,deprivation,deprivationplusDL-α-AAA,deprivationplussaline.Formdeprivationwasinducedwiththeself-madetranslucenteyeshields,andlastedfor14days.8μgDL-α-AAAwasinjectedintothevitreouschamberofdeprivedeyes.Thecornealradiusofcurvature,refractionandaxiallengthweremeasured.Retinaldopaminecontentwasevaluatedbythehigh-performanceliquidchromatographywithelectrochemicaldetection,andTGFβ2andVIPproteinweredetectedbyWesternblotting.RESULTS:Fourteendaysofeyeocclusioncausedtheaxiallengthtoelongateandbecomemyopicintheform-deprivedeyes,withthedecreaseofretinaldopamineandtheincreaseofTGFβ2andvasoactiveintestinalpolypeptide(VIP)protein.IntravitrealinjectionofDL-α-AAAcouldinhibitthemyopicshiftfrom(-3.65±1.06)Dto(-1.48±0.63)D,P<0.01duetogogglesoccludingandcausethedecreaseofretinalTGFβ2proteininthedeprivedeyes.However,intravitrealinjectionofDL-α-AAAhadnosignificanteffectonretinaldopamineandVIPproteinindeprivedeyes.RetinalTGFβ2proteincorrelatedhighlywiththeocularrefraction(y=-3.34+0.31/x,F=74.75,P<0.001)andaxiallength(y=8.39-0.02/x,F=48.32,P<0.001)indifferenttreatmentgroups.·CONCLUSION:IntravitrealinjectionofDL-α-AAAiseffectivelyabletosuppressthedevelopmentofformdeprivationmyopia,whichmaybeassociatedwithretinalTGFβ2proteininguineapigs.

简介：AIM:Tocomparetheeffectoftopicallyadministeredandsubconjunctivallyinjectedbevacizumabonexperimentalcornealneovascularizationinratsfortwoweeksaftertreatment.METHODS:Twenty-eightSprague-Dawleyratsweredividedintofourgroupsof7animals.Eachcornealcenterofrighteyewascauterizedwithsilver/potassiumnitratefor8s.Aftercornealburning,bevacizumab(12.5mg/mL)wastopicallyadministeredthreetimesperday(TBgroup)fortwoweeksorsubconjunctivallyinjectedondays2and4aftercauterization(0.02mL;SBgroup).Asnegativecontrols,ratsreceived0.9%salinetopicallythreetimesperday(TSgroup)orsubconjunctivallyondays2and4(0.02mL;SSgroup).Digitalphotographsofthecorneaweretaken1and2weeksaftertreatmentandanalyzedtodeterminetheareaofcorneacoveredbyneovascularizationasthepercentageofcornealneovascularization.RESULTS:Oneweekaftertreatment,thepercentageofcornealneovascularizationwassignificantlylowerintheTBandSBgroupsthanintheTSandSSgroups(allP<0.05).Twoweeksaftertreatment,thepercentageofcornealneovascularizationwassignificantlylowerintheTBgroupthanintheTSgroup(P<0.05).Inallgroups,thepercentageofneovascularizationwasdecreasingastimepassed(allP<0.05)CONCLUSION:Topicallyadministeredbevacizumabhaslongerstandinganti-angiogeniceffectthansubconjunctivallyinjectedbevacizumabincornealneovascularizationfollowingchemicalinjuryinrats.

简介：目的：分析眼科住院患者眼外伤相关因素,提供当地眼外伤流行病学相关资料。方法：选取2007-01/2011-12于我院眼科住院的眼外伤患者1137例1610眼,对其一般情况、致伤原因、预后及并发症进行统计学分析。结果：患者男女比例为4.77∶1,高峰年龄为20～49岁;职业以工人、农民等体力劳动者为主;前两位致伤性质为钝挫伤和穿孔伤,其中穿孔伤的平均致盲率最高（45.65%）。5a来相邻年度间致伤性质构成比无显著差异（χ2=14.586,P=0.367）。眼外伤并发症多混合存在,以外伤性白内障、前房积血、葡萄膜炎更多见。结论：应提高人们对于眼外伤的预防意识,对眼外伤患者可给予及时救治,降低眼外伤致盲率。

简介：目的分析评价眼科激光对视网膜静脉阻塞的疗效。方法对32例经眼底荧光血管照影明确诊断的视网膜静脉阻塞的患者采用光凝治疗，治疗后预约定期随诊，并复查各项检查。结果治疗后视力增加17例，不变者10例，稍下降者5例，黄斑水肿明显减轻者21例，占65．62％；不变者5例，占15．62％；消失者6例，占18．75％，激光治疗后较激光治疗前的暗点数增加者20例，占60％，暗点数减少5例，占15．62％，不变者7例，占21．87％。并发症：激光治疗前有新生血管者5例，术后2例完全退缩。结论视网膜静脉阻塞早期行激光治疗可促进出血吸收，缩短病程，降低新生血管及玻璃体病变等并发症，是切实可行的治疗方法。

简介：目的：分析小切口白内障摘除人工晶状体植入术后低视力的相关因素。方法：回顾性分析我院2011-07／2012—07间白内障患者291例291眼，对其行小切口白内障囊外摘除联合人工晶状体植入术，最佳矫正视力低于0．3者诊断为低视力，并分析其发生原因。结果：患者291例术后共发生低视力49眼，其中手术所致术后低视力17眼（34．7％），术前病变所致术后低视力32眼（65．3％），其中年龄相关性黄斑变性8眼、糖尿病视网膜病变14眼、高度近视6眼，其他4眼。结论：原有眼病是术后低视力的主要原因，术前仔细检查可以提高手术的可预测性。

简介：目的分析外伤性青光眼的发病原因及相应的治疗方法。方法选取2008年7月至2012年12．．H在我院确诊的眼外伤继发的青光眼病例，根据发病原因不同，采取药物及手术治疗，记录视力提高及眼压下降的情况。结果根据受伤后引起青光眼的临床原因分类，其中眼内积血55例，前房角挫伤31例，晶状体损伤源性6例，眼内炎症，夕}伤性虹膜睫状体炎3例。根据受伤原因及眼压下降情况分别予药物及手术治疗，随访6个月至2年，85例（89．5％）患眼眼压控制在正常范围，80例（84.2％）视力提高有不同程度的提高。结论选取合适的治疗方法，能有效的提高患者的视力及降低眼压，最大程度的维持患者的视功能。

简介：目的：探讨机械性眼外伤的临床特征及诊疗结果分析。方法：收集我院收治的机械性眼外伤122例122眼的临床资料,进行记录及回顾性分析。结果：机械性眼外伤122例中,开放性眼外伤116眼（95.1%）,闭合性眼外伤6眼（4.9%）,男女之比6.18∶1,机械性眼外伤以眼球开放性损伤为最多,致伤多以异物为主,经过及时手术治疗,全部保住了眼球,与入院视力相比,出院视力得到明显提高。结论：工作和生产意外是机械性眼外伤的主要原因,病情复杂,合并症多,后果严重,应加强防范。及时的医院就诊和眼科显微手术技术的提高及玻璃体视网膜手术的开展是挽救伤眼视力、降低机械性眼外伤并发症的有效措施。

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:Todefinetheultrasonographicstructureofnormallowereyelidanatomiccompartmentsandtheirspacialrelationshipindynamicmotion.METHODS:Highresolutionultrasound(15MHz)wasperformedonthelowereyelidsof7normalsubjects.Movementsofthelowereyelidanditscompartmentswerevisualizedwithultrasound.Inaddition,themaximalexcursionareaofthelowereyelidfatcompartmentsandretractormotionswasmeasuredbeforeandaftermotion.RESULTS:Theorbicularismusclecouldbeseenasanecholucentstructurebetweenthedermisandtheechodencefatpads.Lowereyelidfatpadseemstobedividedinto2compartmentsasrangeofmotionanddirectionofmovementofeachofthemvaries.Itseemsthatthesecompartmentshavealsodifferentbehavior.Themeasuredprofileareaofthevisiblenormallowereyelidfatpadsduringmovementofglobefromup-gazetodown-gazedecreasedby50%.Orderofmovementoflowereyelidstructuresseemstobeasfollows:afterglobemovementfistweseeretractormovement,anteriororbitalfatpad,thenskinandseptum,andfinallymovementofinferiorfatpad.CONCLUSION:Ultrasoundrepresentsanoninvasivetoolforthevisualizationoflowereyelidmorphology.Expandingitsapplicationcouldhelpusunderstandthecompartmentalchangesinphysiologicaleyelidmovement,inaginganddiseasedstudypopulations,aswellasassessoperativeoutcomes.

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: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.