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282 个结果
  • 简介:目的通过超声乳化白内障吸除术对不同年龄段老年患者角膜内皮的影响的观察,探讨年龄和角膜内皮功能的相关性。方法不同年龄段的年龄相关性白内障患者(排除眼部其他疾患和糖尿病全身病)78例(83眼),分为66岁以下、66-73岁、74-84岁、85岁以上四个年龄组,给予超声乳化白内障吸除手术治疗,以非接触眼科专用角膜内皮镜,测量手术前后角膜内皮细胞的数量,对手术前后角膜内皮的减少数值进行统计分析。结果同组术前、术后角膜内皮细胞减少有统计学意义(P〈0.01),各组间因手术影响的减少值之间差异有统计学意义(P〈0.01)。结论高龄老年患者角膜内皮对手术损伤的敏感性高,术前应对角膜内皮细胞的功能评估应结合年龄段重新评估。

  • 标签: 超声乳化吸除术 角膜内皮 年龄
  • 简介:AIM:Toassesstheeffectivenessofimmunosuppressantsintheprophylaxisofcornealallograftrejectionafterhigh-riskkeratoplastyandnormal-riskkeratoplasty.METHODS:WesearchedtheCochraneCentralRegisterofControlledTrials(CENTRAL),MEDLINE,EMBASE,CNKI,VIPandreferencelistsofarticles.Dateofmostrecentsearch:18June,2011.Allrandomisedcontrolledtrials(RCTs)assessingtheuseofimmunosupressantsinthepreventionofgraftrejection,irrespectiveofpublicationlanguage.Twoauthorsassessedtrialqualityandextracteddataindependently.Onlydichotomousoutcomes(cleargraftsurvival,ratioofimmunereactionsandsideeffects)wereavailableandwereexpressedasrelativerisk(RR)and95%confidenceintervals(CI).RESULTS:Sevenstudieswereincludedinthisreview.Inthecomparingofmycophenolatemofetil(MMF)withplacebo,theresultsshowedMMFcouldsignificantlyreduceimmunereactionscomparedwithplacebo(RR1.0895%Cl0.95to1.21),butnoeffectoncleargraftsurvival(RR1.1195%Cl0.90to1.35).Incleargraftsurvivalandimmunereactions,MMFandcyclosporineA(CsA)showedsimilareffect(RR1.1195%Cl0.90to1.35,andRR1.48,95%Cl0.56to3.93,respectively).Tacrolimus(FK506)andsteroidshowedsimilareffectsoncleargraftsurvivalandimmunereactions(RR0.32,95%CI0.02to6.21,andRR1.00,95%CI0.88to1.14,respectively).Nodrugrelativesideeffecthasbeenfound.CONCLUSION:MMFmayreduceimmunereactionsinbothnormal-riskandhigh-riskrejectionofpenetratingkeratoplasty.CsAandFK506showedsimilareffectsasMMF.However,duetothelackoflargeclinicaltrials,theevidenceremainweak,thequalityofevidenceswereratedasverylowtomoderate.Large,properlyrandomised,placebo-controlled,doublemaskedtrialsareneededtoevaluatetheeffectofimmunosuppressants.

  • 标签: IMMUNOSUPPRESSANTS PENETRATING KERATOPLASTY META-ANALYSIS
  • 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.

  • 标签: CORNEAL NEOVASCULARIZATION BEVACIZUMAB TOPICAL and SUBCONJUNCTIVAL
  • 简介:目的观察23G联合20G玻璃体切割手术治疗脉络膜脱离型视网膜脱离的临床疗效及安全性。方法将2014年1月至2015年1月于我院明确诊断脉络膜脱离型视网膜的患眼并行23G联合20G玻璃体切割手术治疗的共37例病例37只眼纳入研究。记录术前视力、眼压及眼部病情,手术中切除玻璃体后采用硅油或C3F8气体填充玻璃体腔,术后采取面向下体位。术后平均随访4.34月,观察术后视网膜复位率、术后视力、术后并发症等情况。结果至随访期结束,视网膜复位31例(83.7%);术后视力较术前提高,差异有统计学意义;发生一过性高眼压11例(29.7%),持续性高眼压2例;发生并发性白内障18例(48.6%)结论23G联合20G玻璃体切割?术是治疗脉络膜脱离型视网膜脱离的安全有效方法。

  • 标签: 23G 20G 脉络膜脱离 视网膜脱离
  • 简介:AIM:Tocharacterizetheclinicalfeatures,diagnosis,treatmentandprognosisofuveitisassociatedwithankylosingspondylitis(AS)inChinesepatients.·METHODS:TwohundredandthreepatientswithuveitisassociatedwithASfollowed-upintheThirdMilitaryMedicalUniversityDapingHospitalbetween2005and2010wereretrospectivelyevaluatedinthisstudy.Completeophthalmologicalexaminationswereevaluatedatbaselineandduringthefollow-upperiod.Thegender,age,follow-uptime,meanfrequencyofuveitisonset,andaccompanyingeyeexaminationfindings,history,demographicalparameterswerereviewed.Allthepatientspresentedcompleteclinicalandradiologic(sacroiliac,lumbar,dorsalandcervicalspine,knee,ankle,shoulder,hip,elbow)evaluation.HLA-B27typingwasalsosearched.·RESULTS:Therewere203patientsdiagnosedwithASassociateduveitis.AllshowedsacroiliacX-raychangesindicativeofAS.Therewere184maleand19femalepatients.Theaverageageofpatientswas35±12(range18-50).Meanfollow-upperiodwas2.4years(1-5years).Acuteanterioruveitiswasthemostcommontypeofuveitisinbothgenders.121eyespresentedunilateralinvolvement(55.2%),and92eyespresentedbilateralinvolvement(45.3%)withonsetalternately.22eyesoccurredhypopyon,16eyeswerefoundanteriorvitreouscells,7eyeswerenotedreactivemacularedemaorexudation,29eyespresentedposteriorsynechiaeofiris,and14eyespresentedcataract,9eyespresentedsecondaryglaucoma,2eyespresentedbendcornealdegenerationand1eyespresentedatrophyofeyeball.Atthefinalvisit,uveitiswaswellcontrolledinmostpatients.·CONCLUSION:ASassociatedwithuveitisinChinesepatientsmainlymanifestsasacuteanterioruveitis.AcombinationofcorticosteroidswithothermydriasisagentsiseffectiveformostASassociatedwithuveitispatients.Ingeneral,theprognosisisgoodinthesecases.

  • 标签: HLA-B27 ANTERIOR UVEITIS acute ANTERIOR UVEITIS
  • 简介:目的探讨制霉菌素泡腾片与湿润烫伤膏水浴后混合物(简称制霉菌素油剂)的广谱抗真菌、改善耳道内环境、恢复耳道上皮分泌及自洁功能的效果。方法以60例行真菌涂片滴入氢氧化钾镜于下检查确诊为真菌性外耳道炎的患者为研究对象,2周为1个疗程,不得中途退出。常规清洁耳道,待耳道干燥后涂布制霉菌素油剂,治疗3~5次后评估患者耳道不适症状的改善、分泌物质与量的变化、上皮充血糜烂的恢复、真菌的检测分型与培养药敏变化。结果药剂分布均匀,耳内分泌物易排出,患者的舒适度与上皮功能恢复改善快。结论制霉菌素有广谱杀真菌效果,合用湿润烫伤膏的油剂可改善耳道内环境。制霉菌素油剂治疗真菌性外耳道炎符合耳道生理病理治疗需求,效果良好。

  • 标签: 制霉菌素 麻油制剂 真菌性外耳道炎 真菌镜检 耳道自洁功能
  • 简介:目的探讨青光眼术后颞侧小切口非超乳白内障摘除及人工晶状体植入术的疗效。方法对54例(72眼)青光眼滤过术后白内障患者采用颞上象限或颞侧小切口非超声乳化白内障摘除联合人工晶状体植入术,术后随访3~12个月,观察术后视力、眼压及并发症。结果65眼术后视力均有明显提高,7眼视力不变。术中、术后未见严重并发症,术后平均眼压(13.40±3.56)mmHg。功能性滤过泡保留完整,未见瘢痕化及渗漏。结论颞侧小切口非超乳白内障摘除及人工晶状体植入手术对青光眼术后白内障患者操作简单,视力提高明显,术后并发症少,眼压控制稳定。

  • 标签: 青光眼 白内障 人工晶体 小切口白内障手术
  • 作者: 石向东
  • 学科: 医药卫生 > 眼科
  • 创建时间:2022-09-28
  • 出处:《中国结合医学》2022年第7期
  • 机构:贵州省黔南州人民医院眼科,贵州都匀558000
  • 简介:目的:分析抗血管内皮生长因子(VEGF)药物加Ahmed青光眼引流阀(AGV)对新生血管性青光眼(NVG)的疗效和安全性。方法:选取2020.01-2020.11本院收治的NVG患者10例为研究对象,均通过抗VEGF药物加AGV开展治疗,观察术后不同时间的手术成功率;术前及术后不同时间的眼压水平、视力改变、视功能受损眼病患者生活质量评定量表(QOL)评分和并发症情况。结果:术后1d及1周,手术成功率达到100.00%,后伴随时间延长有轻微下降,但术后不同时间的手术成功率相比无显著差异(P>0.05)。术后1d及1周,眼压水平较术前显著下降(P<0.05),至术后1个月眼压有轻度升高,但仍低于术前(P<0.05),术前及术后眼压水平相比差异显著(P<0.05)。术后1d及1周,视力提升比例达到100.00%,术后1个月开始有轻微下降,但术后不同时间的视力水平相比无显著差异(P>0.05)。术后,患者QOL评分术前显著升高(P<0.05),至术后1个月QOL评分有轻度下降,但仍高于术前(P<0.05)。10例患者中1例出现前房少量出血,1例出现轻度角膜水肿,均未经特殊处理后自行消失,无1例出现严重并发症。结论:抗VEGF加AGV对NVG患者疗效确切,能改善其视力,降低其眼压水平,且安全性较高,值得采用。

  • 标签: 新生血管性青光眼;Ahmed青光眼引流阀;抗血管内皮生长因子药物;眼压;视力水平;并发症
  • 简介:目的探讨微创玻璃体切割联合白内障超声乳化术治疗增生性糖尿病视网膜病变(PDR)的临床疗效。方法回顾性分析PDR患者16例(16只眼)均行微创玻璃体切割联合白内障超声乳化术,术中行全视网膜光凝。其中3只眼行硅油填充,6只眼行气体(C3F8)填充,术后3—6个月行硅油取出术,术后随访6个月。结果16只眼随访12个月,视网膜复位良好,12只眼矫正视力显著提高,4只眼因视神经萎缩视力无提高,3只眼后囊增生明显。结论微创玻璃体切割联合白内障超声乳化术是治疗PDR有效的方法,具有良好的临床前景。

  • 标签: 微创玻璃体切割术 超声乳化 增生性糖尿病视网膜病变
  • 简介:目的探讨前列腺素类药结合玻璃体腔注射雷珠单抗治疗新生血管性青光眼的效果。方法伴发高眼压的新生血管性青光眼患者160例根据随机数字表法分为治疗组80例与对照组80例,两组都给予复合式小梁切除术,对照组选择拉坦前列腺素辅助治疗,治疗组选择拉坦前列腺素联合玻璃体腔注射雷珠单抗辅助治疗。结果治疗后治疗组与对照组的治疗有效率分别为97.5%和88.8%,治疗组的治疗有效率明显高于对照组(P〈0.05)。两组治疗后最佳矫正视力都明显提高,而眼压都明显下降,与治疗前对比差异明显(P〈0.05);同时治疗后治疗组的最佳矫正视力与眼压也都明显好于对照组(P〈0.05)。治疗期间治疗组的眼结膜充血、前房炎症反应、角膜水肿、一过性视觉模糊等并发症发生率都明显低于对照组(P〈0.05)。所有患者治疗后随访调查6个月,治疗组的治疗后3个月与6个月的复发率分别为1.3%和5.0%,而对照组分别为7.5%和13.8%,治疗组治疗后3个月与6个月的复发率明显少于对照组(P〈0.05)。结论前列腺素类药结合玻璃体腔注射雷珠单抗治疗新生血管性青光眼能促进眼压的降低,改善视力水平,安全性好,降低复发,从而有利于近远期疗效的提高。

  • 标签: 拉坦前列腺素 玻璃体腔注射治疗 雷珠单抗 新生血管性青光眼 眼压
  • 简介:目的探讨并总结小切口白内障囊外摘除联合人工晶状体植入术治疗晶状体溶解性青光眼的临床疗效。方法回顾分析2011年3月至2016年5月间在我科确诊并行小切口白内障囊外摘除联合人工晶状体植入术的30例30眼晶状体溶解性青光眼,观察并记录其视力、眼压及并发症等变化情况。结果30例患者手术均顺利进行,术中未出现任何并发症,术后3个月随访时视力恢复良好,有6眼视力在0.1-0.5,占20.0%,24眼视力在0.6-0.8,占80.0%,矫正视力在1.0及其以上的有6眼,占20.0%;所有患者术后随访时眼压均在正常范围;术后均无严重影响眼压及视力的并发症出现。结论小切口白内障囊外摘除联合人工晶状体植入术治疗晶状体溶解性青光眼具有良好的临床效果,值得在基层医院推广。

  • 标签: 小切口 白内障囊外摘除术 人工晶状体 晶状体溶解性青光眼
  • 简介:目的观察Ex-press青光眼引流器植入术治疗难治性青光眼患者的疗效及安全性。方法选取2015年月—520177月我院难治性青光眼患者74例(74眼),依据治疗方案不同分组,各37例(37眼)。观察组行Ex-press青光眼引流器植入术,对照组行小梁切除术。统计对比两组手术成功率及并发症发生情况。结果观察组手术成功率.49%(32/较对8637)照组59.46%(22/37)高,且并发症发生率18.92%(7/37)较对照组40.54%(15/37)低,差异有统计学意义(P〈0.05)。结论Ex-press青光眼引流器植入术应用于难治性青光眼治疗中,可进一步提高治疗效果,且安全性较高。

  • 标签: 难治性青光眼 Ex-press青光眼引流器植入术 安全性
  • 简介:目的探讨小切口白内障囊外摘除人工晶状体植入术治疗高度近视眼并发性白内障的临床效果,方法同顾性分析2004年6月-2007年6月在我科行小切口白内障囊外摘除人工晶状体植入术的高度近视眼并发性白内障的患者48例,观察术中、术后并发症及术后视力恢复情况。结果所有患者均顺利完成小切口自内障囊外摘除人工晶状体植入术,术中两例患者晶状体后囊膜破裂,术后3月最佳矫正视力0.1-0.3者6眼,0.3-0.8者30眼,〉0.8者12眼,术中、术后无其它并发症发生。结论小切口白内障囊外摘除人工晶状体植入术治疗高度近视眼并发性白内障,术中、术后并发症少,术后患跟视力恢复好,且对手术设备要求不高,足适应于广大基层医院的最佳手术方式之一。

  • 标签: 小切口白内障囊外摘除术 高度近视眼 白内障 晶状 人工
  • 简介:Choroidalneovascularization(CNV)isanuncommoncomplicationassociatedwithamacularhole.Inthiscasereportofararecondition,wepresentapathologicmyopiapatientwithaco-existentmacularholeandchoroidalneovascularmembrane.ThepatientwastreatedwithphotodynamictherapyforCNV,andthenvitreoussurgeryfortheretinaldetachmentandmacularhole.Attheendof4yearsfollow-up,hervisualacuitywasimprovedto0.1whilethemacularholeremainedopen.OpticalcoherencetomographyisausefulinspectionmethodofthediagnosisofCNVandmacularhole.

  • 标签: choroidal NEOVASCULARIZATION MACULAR HOLE PATHOLOGIC MYOPIA
  • 简介:目的:对比分析伴虹膜异色的青光眼睫状体炎综合征与Fuchs综合征患者的临床表现及特点,对两种疾病的鉴别要点作出分析及总结,利于临床医生对这两种疾病进行鉴别诊断。方法:对本院自2000年至今收治住院的3例伴虹膜异色的青光眼睫状体炎综合征(Posner-Schlossman’ssyndrome,PSS)患者进行详细的临床检查及研究,根据其临床资料总结出该病的临床特点,并对伴虹膜异色的PSS与Fuchs综合征的鉴别要点作出分析及总结。结果:共收集了3例伴虹膜异色的PSS患者,均为单眼反复发病,病程均在10a以上,发作时眼压明显升高,可达30.00~60.00mmHg,持续时间一般为3~7d,可自行缓解或用药后缓解,间歇期眼压正常,该3例患者除了具有典型的PSS表现外,虹膜均轻度异色。总结了该病在发作期及间歇期的临床表现,从发病情况、眼压波动情况、KP形态、晶状体情况、眼底及视功能情况详细论述了伴虹膜异色的青光眼睫状体炎综合征与Fuchs综合征的区别,并针对两种疾病的治疗提出了不同建议。结论:结合我们所提出的鉴别要点,对患者进行详细的临床检查,可以对这两种疾病进行鉴别诊断。

  • 标签: 青光眼睫状体炎综合征 FUCHS综合征 虹膜异色
  • 简介:AIM:Tostudytheimpactofscleralflapposition,underwhichtheposteriorchamberintraocularlenses(PC-IOL)weresulcus-fixedbytrans-scleralsuture,oncorneaastigmatism.METHODS:Twenty-sixaphakicorcataracteyeswerecomprisedinthisprospectivenoncomparativecaseseriesstudy.Eleveneyeshadtraumaticcataractremovedwithoutsufficientcapsularsupport,3hadblunttraumawithsubluxatedtraumaticcataract,8hadundergonevitreoretinalsurgeryand4hadcongenitalcataractremoved.Theaverageagewas54years(range21-74years),with17menand7women.ThefoldablePC-IOLwasfixedinsulcusbytrans-scleralsuture.TheincisionforIOLimplantationwasmade1mmposteriortolimbusalongthesteepestmeridianofcornea,whilescleralflapstoburytheknotsoftrans-scleralsutureweremadealongtheflattestmeridian.Allthesurgerieswereperformedbyasingledoctor(MaL),andthefollowupwasatleast13months(range13-28months).Thepreoperative,3monthsand1yearpostoperativecornealcurvaturealongthesteepestandflattestcorneameridianandoverallcorneaastigmatismwerecompared.RESULTS:Thecurvaturealongthesteepestmeridianchangedfrom44.25±2.22Dpreoperativelyto44.08±2.16Dat3monthspostoperatively,and43.65±5.23Dat1yearpostoperatively(P>0.05);thecurvaturealongtheflattestmeridianchangedfrom41.24±2.21Dpreoperativelyto43.15±3.94Dat3monthspostoperatively,and42.85±5.17Dat1yearpostoperatively(P<0.05);andthesurgeryinducedastigmatism(SIA)oncorneawascalculatedbyvectoranalysis,whichwas2.42±2.13Dat3monthspostoperatively,and2.18±3.42Dat1yearpostoperatively,thedifferencewasstatisticallysignificant(P<0.05).CONCLUSION:Thescleralflapmadealongtheflattestmeridian,underwhichtheposteriorchamberintraocularlenses(PCIOL)weresulcus-fixedbytrans-scleralsuture,cansteepenthecorneainvaryingdegrees,thusreducingpreexistingcornealastigmatism.

  • 标签: INTRAOCULAR lens SUTURE FIXATION ASTIGMATISM lack
  • 简介:AIM:ToIntroduceanewspecializedvisualacuitychartforamblyopicchildrenaged3-5yearsoldanditsclinicalapplications.METHODS:ThenewvisualacuitychartandnotationsweredesignedbasedonWeber-Fechnerlaw.Theoptotypeswereredagainstawhitebackgroundandwerespeciallyshapedfourbasicgeometricsymbols:circle,square,triangle,andcross.Aregulargeometricprogressionoftheoptotypesizesanddistributionwasemployedtoarrangein14lines.Theprogressionrateoftheoptotypesizebetweentwolineswas1.2589andthetestingdistancewas3m.VisualacuityscorecouldberecordedaslogMARnotationordecimalnotation.Agestratifieddiagnosticcriteriaforamblyopiaestablishedbyconsensusstatementondiagnosisofamblyopia(2011)amongmembersoftheStrabismusandPediatricOphthalmologyGroup,OphthalmologySociety,ChineseMedicalAssociation(SPOGOSCMA)wereillustratedinthenewvisualacuitychart.RESULTS:Whenassessingvisualacuityinchildrenaged3-5yearsold,thisnewvisualacuitychartthatconsistsoffoursymmetricalshapes(triangle,square,cross,andcircle)overcameaninabilitytorecognizethelettersofthealphabetanddifficultiesindesignatingthedirectionofblackabstractsymbolssuchasthetumbling’E’orLandolt’C’,whichthesubjectswerepronetoloseinterestin.Thevisualacuityscoremayberecordedindifferentnotations:decimalacuityandlogMAR.Thesetwonotationscanbeeasilyconvertedeachotherintheneweyechart.Themeasurementsofthisnewchartnotonlyshowedasignificantcorrelationandagoodconsistencywiththeinternationalstandardlogarithmicvisualacuitychart(r=0.932,P<0.01),butalsoindicatedahightest-retestreliability(89%ofretestscoreswerewithin0.1logMARunitsoftheinitialtestscore).CONCLUSION:Theresultsofthisstudysupportthevalidityandreliabilityofdistancevisualacuitymeasurementsusingtheneweyechartinchildrenaged3to5yearsoverawiderangeofvisualacuities,andtheneweyechartisgreatforearl

  • 标签: amblyopic CHILDREN Weber-Fcchner LAW INTERNATIONAL standard
  • 简介:目的观察透明角膜切口白内障超声乳化吸除人工晶状体植入术联合翼状胬肉切除羊膜移植术的治疗效果.方法回顾性分析我院2009年2月至2013年3月所行透明角膜切口白内障超声乳化吸除人工晶状体植入术联合翼状胬肉切除羊膜移植术.结果34例(36只眼)老年性白内障并发不同程度的翼状胬肉,行透明角膜切口超声乳化白内障吸除及人工晶状体植入术联合翼状胬肉切除及羊膜移植术,手术后角膜创面4~5d愈合,无1例胬肉复发,无新生血管生长及瘢痕组织增生现象.术后视力33只眼视力>0.3,脱残率91.7%.结论超声乳化白内障吸除人工晶状体植入术联合翼状胬肉切除羊膜移植术是安全有效的,可操作性强.

  • 标签: 翼状胬肉 白内障 超声乳化 羊膜移植 联合手术
  • 简介:目的分析初发翼状胬肉术后患者应用于退翳明目汤治疗后的疗效。方法采用随机数字表法将我院例初103发翼状胬肉术后患者分组,对照组51例应用典必殊滴眼液治疗,观察组52例给予退翳明目汤治疗,对比两组患者治疗后临床疗效、泪膜稳定性及术后复发率。结果观察组水肿消退、角膜创面上皮修复时间及干眼症状计分均低于对照组,SchirmerBUT水平均高于对照组,复发率0%低于对照组13.89P〈0.05)-Ⅰ及%(。结论退翳明目汤能够有效提升初发翼状胬肉术后患者泪液分泌量,提升泪膜稳定性,消除干眼症状,促进创面上皮修复,降低复发率。

  • 标签: 退翳明目汤 翼状胬肉 泪膜稳定性 复发率
  • 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.

  • 标签: DEFOCUS MYOPIA type collagen α2