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特发性黄斑前膜的D光学相干断层扫描特征.PDF

特发性黄斑前膜的D光学相干断层扫描特征.PDF

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特发性黄斑前膜的D光学相干断层扫描特征

· 486 ChinOphthalRes,June2009,Vo1.27,No.6 · 临 床 研 究 · 特发性黄斑前膜的3D光学相干断层扫描特征 戴荣平 董方田 于伟泓 张枝桥 韩宝玲 杜 虹 M acular m0rph0l0 calchanges in idiopathic epiretinalmembrane:A 3D opticalcoherencetom ography study DaiRongping,Dong Fangtian,Yu Weihong,Zhang Zhiqiao,Han Baoling,Du Hong.Departmentof Ophthalmology,PekingUnionMedicalCollegeHospital,ChineseAcademyofMedicalSciences, Be tng 100730,China Abstract 0bjective Timedomainopticalcoherencetomography(OCT)waswildlyusedinclinicforthediagnosisof idiopathicepiretinalmembrane(IERM).Nowadays,spectraldomainOCT(3D-OCT)canprovideultra-highresolutionandhigh— speedimagingincomparisonwithtimedomainOCT.Presentstudywastoevaluatethedifferentmacularmorphologicalchangesof IERM with3D—OCTandanalyzetheinfluenceonvisualacuity. Methods 118cases(136eyes)ofIERMwerereviewedinthis study.3D OCT scanningwasperformedon allthepatientsand theparameterswereanalyzed.Morphologicalchangesofmacula zonefrom IERM wererecorded.Therelationship of3D—OCT resultswith visualacuitywasevaluated. Results Macular morphologicalchangeswerecategorisedintotypesoflamellarmacularhole(LMH),macularpseudohole(MPH),fovealcyst (FC),macularedema(ME)andnormalaccordingtothefindingsofOCT.Eighteenof136eyeswerefoundwithLMH,19eyes withMPH,7eyeswithFC,57eyeswithME and35eyeswerenormalinstudiedpatients.ThevisualacuityinME groupwas0.48 ±0.28,andthatofnormalf0veagroupwas0.75±0.27,showingasignificantdifferencebetweenthem(P0.05).Thevision acuityrfom patientswiththeunintactIS/OSrefractivesignalon3D-OCTwas0.30 ±0.2O.and thatofpatientswithintactIS/OS refractivesignalon3D—OCTwas0.64±0.28withasignificantdifferencebetweenthem(P0.05).Thefovealthicknessinthe patientwithunintactIS/OSrefractivesignalon3D—OCT showedasignificantdifferencefrom patientwithintactIS/

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