学科分类
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2 个结果
  • 简介:目的:观察翼状胬肉术后角膜屈光改变及屈光状态趋于稳定的时间。方法:随机选择翼状胬肉切除患者46例54眼,术前、术后3,7,14,30,90d行角膜地形图检查,并进行统计分析。结果:翼状胬肉术后散光度较术前显著下降,术后3d与术后其他观察阶段相比,最陡径上的K值(Ks值)、散光度差异有统计学意义(P〈O.05),术后7d及以后各观察阶段之间两两比较,Ks值、最平径上的K值(Kf值)、散光度差异无统计学意义(P〉O.05)。结论:翼状胬肉术后7d角膜屈光状态基本稳定。

  • 标签: 翼状胬肉 角膜地形图 角膜屈光
  • 简介:AIM:Tocharacterizetemporalpatternofresolutionandrecurrenceofnaivechoroidalneovascularization(CNV)secondarytowetage-relatedmaculardegeneration(AMD)treatedwithintravitrealbevacizumabonasneededregimen,andtoanalyzebaselineriskfactorsforCNVresolutionorrecurrence.METHODS:Ninety-oneeyesof80patientswithnewlydiagnosedwetAMDwereretrospectivelystudied.Alleyesweretreatedwitharoundofthreemonthlyintravitrealbevacizumabinjections,followedbyoneadditional’bonus’injectionafterresolutionofCNVactivity.Duringfollow-up,eyesweremonitoredwithfluoresceinangiography,opticalcoherencetomography,andbest-correctedvisualacuity(BCVA).IncaseofrecurrencesofCNVactivity,eyeswereretreatedwithotherroundsofbevacizumabinjectionsfollowingthesametreatmentprotocol.RESULTS:Overamedianfollow-upof532d,themedianresolutiontimeofCNVactivityinthefirst,second,andthirdtreatmentroundwas98d,126d,and111d,respectively.Themedianrecurrencetimeforthethreeroundswas154d,126d,and151d,respectively.Nosignificantdifferenceinresolutiontime(P=0.09)orinrecurrencetime(P=0.11)wasdetectedamongtreatmentrounds.Age(P=0.0082)andlensstatus(P=0.035)werefoundtobeassociatedwithCNVresolution;forevery1-yearincreaseinagetherewas4%greaterchanceofCNVresolution;Phakiceyesdemonstrateda33%betterchancetoexperienceCNVresolutionthanpseudophakiceyes.ForCNVrecurrence,lensstatus(P=0.0009)andgender(P=0.0446)werefoundtobepredictive;pseudophakiceyeshada3.69-foldgreaterrisktoexperiencerecurrenceofCNVactivitycomparedtophakiceyes;maleshada2.19-foldgreaterrisktoexperiencerecurrenceofCNVactivitythanfemales.NosignificantBCVAchangesamongthreetreatmentroundswerenoted(P=0.56).CONCLUSION:ResolutiontimeandrecurrencetimeofCNVactivitywerenotsignificantlydifferentamongtreatmentrounds,suggestingabsenceoftachyphylaxistobevacizumab.Acautiousdecisionshouldbemadeupondisco

  • 标签: BEVACIZUMAB AGE-RELATED MACULAR DEGENERATION recurrence anti-vascular