目的应用相干光断层扫描仪(OCT)测量中国正常人视网膜神经纤维层(RNFL)厚度并探讨年龄、屈光度、性别及视盘面积对平均RNFL厚度的影响。方法运用Stratus OCT 4.0测量202例不同年龄及不同屈光度正常人(年龄8~74岁,屈光度-8~+4D)各钟点...目的应用相干光断层扫描仪(OCT)测量中国正常人视网膜神经纤维层(RNFL)厚度并探讨年龄、屈光度、性别及视盘面积对平均RNFL厚度的影响。方法运用Stratus OCT 4.0测量202例不同年龄及不同屈光度正常人(年龄8~74岁,屈光度-8~+4D)各钟点、象限及平均RNFL厚度,建立多元线性回归方程探讨年龄、屈光度、性别及视盘面积对平均RNFL厚度的影响;同时采用方差分析的方法比较不同年龄及屈光度者平均RNFL厚度的差异。结果①正常人RNFL平均厚度为(108.63±9.70)μm,下方象限RNFL(I):(139.17±15.79)μm最厚,其次为上方象限(S):(134.61±17.80)μm,颞侧象限(T):(85.37±21.25)μm,鼻侧象限(N):(75.19±17.06)μm最薄,即I>S>T>N。②所得多元线性回归方程为y=-0.262x1+1.588x2+121.690(P1=0.000,P2=0.000;y代表平均RNFL厚度,x1代表年龄,x2代表屈光度),即平均RNFL厚度随着年龄的增长或近视度数的增加而变薄,未发现RNFL厚度与性别或视盘面积有关;方差分析表明50岁以上者平均RNFL厚度显著变薄,高度近视者平均RNFL厚度显著薄于正视者。结论OCT测得的正常人平均RNFL厚度主要与年龄、屈光度有关;未发现RNFL厚度与性别或视盘面积有关;应用规范、统一的OCT测量标准,建立人群为基础的并经相关影响因素校正的中国人RNFL正常值数据库对青光眼的早期诊断是非常必要的。展开更多
Objectives:To estimate the agreement between the macular edema maps(MEMs)of the Retina Module of the Heidelberg Retina Tomograph II(Heidelberg Engineering,Heidelberg,Germany)and contact lens fundus biomicroscopy(FB)an...Objectives:To estimate the agreement between the macular edema maps(MEMs)of the Retina Module of the Heidelberg Retina Tomograph II(Heidelberg Engineering,Heidelberg,Germany)and contact lens fundus biomicroscopy(FB)and to assess the influence of combining MEM data with the results of short-wavelength automated perimetry(SWAP)and fluorescein angiography(FA)on diagnostic test performance.Design:Prospective,observational case series.Methods:Twenty patients(20 eyes)with diabetic retinopathy with or without clinically manifest macular edema(11 and 9 eyes,respectively)were enrolled.All patients underwent full ophthalmologic examination and also MEM assessment,SWAP,and FA.Results:Using FB as the “ gold standard,” the agreement between the MEMs and FB was very good(Kendall coefficient of concordance,0.80).Macular edema maps showed good agreement with FA and SWAP(Kendall coefficient,0.64 and 0.65).Virtually all of the edematous areas detected with MEM but not seen clinically had decreased sensitivity on SWAP and/or fluorescein leakage.Conclusions:Macular edema maps demonstrated very good agreement with FB.Combining the results of FA and SWAP with those of the MEMs provided supporting evidence of concomitant blood-retinal barrier leakage and visual dysfunction,respectively,in areas of early retinal thickening.Prospective studies are ongoing to fully assess the diagnostic test performance of MEMs in the detection of early and progressive diabetic macular edema.展开更多
文摘目的应用相干光断层扫描仪(OCT)测量中国正常人视网膜神经纤维层(RNFL)厚度并探讨年龄、屈光度、性别及视盘面积对平均RNFL厚度的影响。方法运用Stratus OCT 4.0测量202例不同年龄及不同屈光度正常人(年龄8~74岁,屈光度-8~+4D)各钟点、象限及平均RNFL厚度,建立多元线性回归方程探讨年龄、屈光度、性别及视盘面积对平均RNFL厚度的影响;同时采用方差分析的方法比较不同年龄及屈光度者平均RNFL厚度的差异。结果①正常人RNFL平均厚度为(108.63±9.70)μm,下方象限RNFL(I):(139.17±15.79)μm最厚,其次为上方象限(S):(134.61±17.80)μm,颞侧象限(T):(85.37±21.25)μm,鼻侧象限(N):(75.19±17.06)μm最薄,即I>S>T>N。②所得多元线性回归方程为y=-0.262x1+1.588x2+121.690(P1=0.000,P2=0.000;y代表平均RNFL厚度,x1代表年龄,x2代表屈光度),即平均RNFL厚度随着年龄的增长或近视度数的增加而变薄,未发现RNFL厚度与性别或视盘面积有关;方差分析表明50岁以上者平均RNFL厚度显著变薄,高度近视者平均RNFL厚度显著薄于正视者。结论OCT测得的正常人平均RNFL厚度主要与年龄、屈光度有关;未发现RNFL厚度与性别或视盘面积有关;应用规范、统一的OCT测量标准,建立人群为基础的并经相关影响因素校正的中国人RNFL正常值数据库对青光眼的早期诊断是非常必要的。
文摘Objectives:To estimate the agreement between the macular edema maps(MEMs)of the Retina Module of the Heidelberg Retina Tomograph II(Heidelberg Engineering,Heidelberg,Germany)and contact lens fundus biomicroscopy(FB)and to assess the influence of combining MEM data with the results of short-wavelength automated perimetry(SWAP)and fluorescein angiography(FA)on diagnostic test performance.Design:Prospective,observational case series.Methods:Twenty patients(20 eyes)with diabetic retinopathy with or without clinically manifest macular edema(11 and 9 eyes,respectively)were enrolled.All patients underwent full ophthalmologic examination and also MEM assessment,SWAP,and FA.Results:Using FB as the “ gold standard,” the agreement between the MEMs and FB was very good(Kendall coefficient of concordance,0.80).Macular edema maps showed good agreement with FA and SWAP(Kendall coefficient,0.64 and 0.65).Virtually all of the edematous areas detected with MEM but not seen clinically had decreased sensitivity on SWAP and/or fluorescein leakage.Conclusions:Macular edema maps demonstrated very good agreement with FB.Combining the results of FA and SWAP with those of the MEMs provided supporting evidence of concomitant blood-retinal barrier leakage and visual dysfunction,respectively,in areas of early retinal thickening.Prospective studies are ongoing to fully assess the diagnostic test performance of MEMs in the detection of early and progressive diabetic macular edema.