OCT比较高眼压和原发性开角型青光眼的视网膜神经纤维层厚度

目的采用光学相干断层扫描技术（OCT）测得正常人、高眼压者和原发性开角型青光眼患者的视网膜神经纤维层（RNFL）的厚度并进行比较。方法选取门诊就诊的患者和正常志愿者,根据眼压、视野和视乳头形态分为正常组76名（152眼）,高眼压组70例（109眼）,原发性开角型青光眼组67例（112眼）,采用OCTCIRRUSZeiss分别测得3组的平均RNFL和4个象限的RNFL。结果正常组平均RNFL为（107．61±8．03）μm,高眼压组平均RNFL为（105．26±9．22）μm,原发性开角型青光眼组平均RFNL为（91．00±10．55）μm。正常人平均、上方和下方RNFL与原发性开角型青光眼患者比较差异有统计学意义（P〈0．01）;高眼压组与原发性开角型青光眼组之间平均RNFL比较差异有统计学意义（P〈0．01）;正常组和高眼压组之间平均RNFL比较差异无统计学意义（P〉0．05）。结论通过对RNFL厚度的分析,为高眼压和原发性开角型青光眼的鉴别诊断提供帮助。     

Cirrus HD-OCT检测原发性开角型青光眼视乳头旁视网膜神经纤维层厚度与视野平均缺损相关性分析

目的探讨Cirrus HD-OCT测量原发性开角型青光眼(POAG)视盘旁视网膜神经纤维层(RNFL)厚度与视野缺损的相关性。方法选择2010年5月~2013年12月于中国石油天然气集团公司中心医院确诊的POAG患者62例(80眼)及视力正常人30例(40眼,正常组),POAG患者分为早期POAG组(28例,34眼)、进展期POAG组(22例,26眼)和晚期POAG组(12例,20眼),采用频域Cirrus HD-OCT和Synemed EP-930自动视野计对和POAG患者和正常组分别进行RNFL厚度和视野检测。频域Cirrus HD-OCT检测RNFL厚度采用optic disc cube 200×200模式。视野检测采用Synemed EP-930自动视野计30°-2程序。将各组患者全周平均RNFL厚度及视乳头周围4个象限(上方、下方、鼻侧、颞侧)RNFL厚度进行比较;计算平均RNFL厚度和视野平均缺损的相关性。结果正常组、早期POAG组、进展期POAG组和晚期POAG组平均RNFL厚度分别为(101.10±9.80)、(94.32±14.05)、(82.73±15.21)、(64.57±14.73)μm,而不同阶段的青光眼患者全周平均RNFL厚度及视乳头周围4个象限(上方、下方、鼻侧、颞侧)RNFL厚度均比正常人减少,差异均有高度统计学意义(P<0.01)。随着青光眼病程的发展,RNFL厚度逐渐下降,而且平均RNFL厚度和视野平均缺损(MD)之间呈负相关(r=-0.659,P=0.000)。结论平均RNFL厚度和视野MD呈线性相关。Cirrus HD-OCT测量的RNFL厚度参数,能客观、定量分析POAG对RNFL损伤进展速度,有助于对青光眼的诊断和随访,从而为POAG患者得到更早的早期诊断和用药指导提供帮助。     

原发性开角型青光眼患者视网膜神经纤维层厚度与视野缺损相关性分析

目的:探讨原发性开角型青光眼视网膜神经纤维层厚度(RNFL)OCT测量及与视野缺损(MD)相关性。方法:68例(68眼)单侧原发性开角型青光眼患者为观察组,71例(71眼)正常人群作为对照组(71眼),采用Cirrus OCT对两组患者RNFL进行测量并采用全自动视野分析仪观察患者MD情况。结果:观察组患者RNFL水平明显低于对照组,观察组患者MD绝对值高于对照组,差异均具有统计学意义(t=6.682,17.30;P<0.01);中期青光眼组、晚期青光眼组患者RNFL水平明显低于对照组,随着青光眼患者病程分期的加重,患者RNFL水平明显降低,组间差异均具有统计学意义(P<0.05)。早期青光眼组、中期青光眼组、晚期青光眼组患者MD绝对值水平均高于对照组患者,随着病程的加重,MD损伤程度明显加重,组间差异均具有统计学意义(P<0.05);观察组患者视杯面积、视杯容积、C/D、水平C/D及垂直C/D水平明显高于对照组,而观察组患者盘沿面积、盘沿容积则低于对照组,差异均具有统计学意义(P<0.05);采用Pearson相关性检验分析发现,观察组患者RNFL与MD绝对值水平呈负相关(r=-0.554,P<0.01)。结论:OCT测量RNFL、MD是原发性青光眼诊断的有效检测方法,且两者存在负相关关系。     

原发性开角型青光眼OCT评估视网膜神经纤维层厚度与视盘参数的关系

目的:使用光学相干断层成像术(OCT)评估原发性开角型青光眼(POAG)各个病程时期的视网膜神经纤维层(RNFL)与视盘参数的差异,从而探讨青光眼RNFL厚度的变化与盘沿面积和杯盘面积比(C/D AR)之间的关系,确定OCT检测参数对青光眼病程变化的参考意义。方法:应用OCT检查技术分别对40例(60只眼)的POAG患者的RNFL及视盘进行检测。数据包括颞侧(TEMP)、上方(SUP)、鼻侧(NAS)、下方(INF)RNFL厚度以及平均RNFL厚度与盘沿面积和C/D AR。按青光眼诊断标准和视野分期法分为早期、中期和晚期3组。比较和分析3组的RNFL变化趋势以及与视盘参数的相关性。结果:青光眼早期、中期和晚期3组之间RNFL和视盘参数的比较具有显著性差异(P<0.01)。RNFL平均厚度与盘沿面积有正相关性,r=0.719,P<0.01;与C/D AR有负相关性,r=-0.712,P<0.01。结论:POAG各个时期中RNFL厚度逐渐变薄,同时盘沿面积减少和C/D AR扩大。盘沿面积占影响RNFL厚度的因素比重较大,比C/D AR更能反映RNFL的变化。青光眼的病程发展能通过RNFL的减少变化来反映。OCT的客观检查所得的各项参数也对原发性青光眼的病情发展的评估具有一定的意义。     

光学相干断层扫描仪测量原发性开角型青光眼视网膜神经纤维层厚度的分析

目的：运用光学相干断层扫描仪（opticai coherence tomography，OCT）检测正常人与原发性开角型青光眼（primary openangle glaucoma，POAG）患者的视盘周围视网膜神经纤维层（retinal nerve fiber layer，RNFL）厚度并分析。方法：研究对象分二组：正常组和POAG组，均接受常规眼科检查，视野检查及OCT检测RNFL厚度，并进行统计学分析。结果：入选的研究对象正常组148例（294眼），POAG组48例（89眼）。经统计学分析正常组与POAG组早期、进展期、晚期的颞侧、上方、鼻侧、下方及平均RNFL厚度差异均有统计学意义（P=0．000）。分析POAG组，以年龄（X1）、眼压（X2）、平均视野（X3）、病程（X4）作为自变量，以平均RNFL厚度（Y）作为因变量，建立多元线性回归方程。结论：通过OCT对RNFL厚度的检测，有助于了解和监测POAG对RFNL的损伤，是一种很有价值和潜力的青先眼客观辅助诊断方法。     

频域光学相干断层扫描检测青光眼黄斑区节细胞复合体厚度的临床研究

目的:探讨黄斑区神经节细胞复合体(GCC)厚度在正常眼压性青光眼(NTG)与原发性开角型青光眼(POAG)人群中的分布特征。方法:采用频域光学相干断层扫描(SD-OCT)对NTG患者81例81眼、POAG患者125例125眼及年龄、性别、屈光度相匹配的正常对照者56例56眼黄斑区视网膜、视盘进行扫描,分析计算出黄斑区整体上方GCC厚度(GCC-Sup)、下方GCC厚度(GCC-Inf)、平均GCC厚度(GCC-Avg)、视盘旁上方视网膜神经纤维层厚度(RNFL-Sup)、下方RNFL厚度(RNFL-Inf)及平均RNFL厚度(RNFL-Avg),Zeiss Humphrey 750型视野计检测各组中心30°视野平均缺损(MD)值,比较3组患者GCC、RNFL及MD参数的差异,并分析GCC厚度值、RNFL厚度值与MD值的相关性。结果:POAG组及NTG组的GCC-Avg、GCC-Sup、GCC-Inf、RNFL-Avg、RNFL-Sup、RNFL-Inf值及视野MD值均低于正常对照组,差异有统计学意义(P<0.05)。所有研究对象GCC-Sup、GCC-Inf、GCC-Avg值与对应区域RNFL厚度值均呈显著正相关(r=0.675、0.669、0.698,P<0.01)。RNFL-Avg值与视野MD值呈显著正相关(r=0.741,P<0.01),GCC-Avg与视野MD值亦呈显著正相关(r=0.613,P<0.01)。结论:频域OCT能定量检测黄斑区GCC厚度,并与RNFL和视野损害有较好的相关性,可为青光眼的诊治提供重要依据。     

OCT及视野极性分析图检测对早期慢性青光眼诊断价值

目的 应用光学相干断层扫描技术（OCT）及视野极性分析图,检测慢性青光眼视网膜神经纤维层（RNFL）厚度和视野缺损情况,分析两者的相关性及其在早期慢性青光眼诊断中的价值。方法 采用海德堡Spectralis OCT对42例（62只眼）青光眼（包括15例原发性开角型青光眼和27例慢性闭角型青光眼）病人颞上方、鼻上方、颞侧、鼻侧、颞下方、鼻下方RNFL厚度进行测量,计算RNFL出现缺损的阳性率,OCTOPUS 900全自动视野计进行视野检查,采用极性分析图观察相应区域有无视野缺损,并计算其阳性率。结果 OCT检测早期慢性青光眼病人颞上方、鼻上方、颞侧、鼻侧、颞下方、鼻下方RNFL损伤阳性率分别为54.8%、29.0%、30.6%、29.0%、54.8%、30.6%,其中颞上方和颞下方RNFL缺损的阳性率较高（χ^2=21.96,P〈0.001）;而极性分析图检测各象限视野缺损阳性率分别为96.8%、64.5%、91.9%、30.1%、98.3%、61.2%,颞上方和颞下方阳性率较高（χ^2=28.35,P〈0.001）,与OCT检查结果具有较好的一致性,两种检测方法颞上方、鼻上方、颞侧、颞下方及鼻下方阳性率比较差异有显著性（χ^2=14.08～26.10,P〈0.001）。OCT及视野极性分析图均表现出鼻侧阳性率较低,且两者的阳性率相比差异无显著性（P＞0.05）。结论 视野极性分析图检测视野缺损与OCT检测RNFL变化具有较好的一致性,极性分析图是评估与随访青光眼病人RNFL结构与功能的桥梁,可能为临床早期诊断青光眼提供更多的信息。     

开角型青光眼的早期诊断--P-VEP与Octopus自动视野计联合检测研究

目的：用眼压、P-VEP、Octopus-123视野计检测原发性开角型青光眼，讨论他们之间的关系及对原发性开角型青光眼早期诊断的临床价值；通过改变空间频率选择青光眼电生理学诊断最佳刺激参数。方法：对22例(32只眼)原发性开角型青光眼，正常对照组30例(60只眼)进行眼压、P-VEP静态视野检测，分析眼压、静态视野与P-VEP P100波潜伏期关系，检测结果进行统计分析。结果：眼压、定量静态视野缺损程度与P-VEP P100波潜伏期变化呈正相关，高空间频率刺激在青光眼电生理诊断中异常检出率较高。静态视野捡出异常率高于P-VEP。结论：眼压、静态视野、P-VEP等检查方法从不同侧面揭示开角型青光眼视神经损害的程度，三种检查结果显著相关。联合检测有助于早期诊断青光眼，对预后及疗效具有明显临床意义。     

开角型青光眼手术后视网膜神经纤维层厚度变化

【摘要】目的利用光学相干断层扫描仪（optical coherence tomography,OCT）监测原发性开角型青光眼（primaryopen—angle glaucoma,POAG）术前与术后3个月视网膜神经纤维层厚度（retinal narver fiberlayer,RNFL）的改变。方法原发性开角型青光眼17例（31眼）,采用抗青光眼滤过性手术控制眼压,眼压均有效下降〉25％,利用OCT测量患眼术前和术后3个月盘周RNFL厚度,分析其与眼压的相关性。结果（1）原发性开角型青光眼术前与术后各象限RNFL厚度比较差异无统计学意义（均P〉0．05）。（2）各象限RNFL厚度改变与眼压变化无明显相关（均P〉0．05）。结论原发性开角型青光眼滤过性手术前后,眼压有效控制后,视网膜神经纤维层厚度无改变,说明青光眼对RNFL损伤是不可逆性变薄（早期）。     

应用光学相干断层扫描仪检测垂体瘤患者视网膜神经纤维层厚度

目的:探讨光学相干断层扫描仪(optical coherence tomography,OCT)测量视网膜神经纤维层厚度(retinal nerve fiber layer,RNFL)在垂体瘤患者诊断与视功能预后分析中的意义.方法:应用OCT测量正常人76例(76眼)和垂体瘤患者39例(39眼)的各象限和平均RNFL厚度进行比较并计算平均RNFL厚度和视野平均缺损的相关性.结果:垂体瘤患者各象限和平均RNFL厚度均比正常人减少,差异有统计学意义(P<0.000).平均RNFL厚度和视野平均缺损呈正相关(R=0.41,P=0.000).结论:OCT测量RNFL厚度为临床上垂体瘤的诊断提供了一种新的手段.     

Optical coherence tomography in measuring retinal nerve fiber layer thickness in normal subjects and patients with open-angle glaucoma

Objectives To investigate image characteristics and thickness of the retinal nerve fiber la yer (RNFL) in normal and glaucomatous eyes using optical coherence tomography ( OCT), and analyze the relationship between RNFL thickness and visual field index. Methods Eighty-three normal persons (150 eyes) and 83 patients with primary open angle glaucoma (POAG, 149 eyes) underwent OCT examinations with 3.4 mm diameter circ le scan to calculate the RNFL thickness. Statistical analysis was used to compa re differences in RNFL thickness in quadrants and means between the normal and g laucomatous groups and the different stages of POAG. Linear correlation and reg ression analysis were used to show the correlation between RNFL thickness and vi sual field index of 115 eyes in glaucomatous patients. Reproducibility, sensiti vity and specificity of RNFL measurements using OCT were evaluated.Results RNFL thickness measured by OCT in normal subjects was thicker in superior and in ferior, less in temporal, and thinnest in nasal quadrants. The curve showed dou ble peaks. RNFL of glaucomatous patients showed local thinning or defect, diffu se thinning, or both. The mean RNFL thicknesses of the normal group in the temp oral, superior, nasal and infeior quadrants were 90.1±10.8 μm, 140.4±10. 5 μm, 85.2±14.0 μm, and 140.4±9.7 μm, respectively with a mean of 1 14.2±6.0 μm.The numbers for the glaucomatous group were respectively 56.0 ±31.0 μm, 81.0±36.3 μm, 47.1±27.5 μm, and 73.4±38.4 μm for th e four quadrants, with a mean of 64.6±28.8 μm. There was a significant dif ference in RNFL thickness between the normal and glaucomatous groups (P&lt;0. 000), and the three stages (early, developing and late) of glaucomatous groups ( P&lt;0.000). There was a close negative relationship between RNFL thickness a nd visual field index (r=-0.796, P&lt;0.0001). The sensitivity and speci ficity of RNFL thickness in POAG measured using OCT were 93.3% and 92.0%, res pectively.Conclusions OCT can quantitatively measure RNFL thickness differences between normal persons and glaucomatous patients. RNFL thickness gradually decreases while visual fie ld defect increases with the development of POAG.     

FD-OCT测量视盘周围视网膜神经纤维层和视神经乳头参数在青光眼早期诊断中的意义

目的:探讨RTVue傅里叶域光学相干断层扫描成像仪(fourier-domain optical coherence tomography, FD-OCT)测量视盘周围视网膜神经纤维层(retinal nerve fiber layer, RNFL)及视神经乳头(optic nerve head,ONH)各项参数在青光眼早期诊断中的作用?方法:应用RTVue FD-OCT测量青光眼患者50例76只眼及正常人45例80只眼的视盘周围RNFL厚度及ONH各项参数,比较正常眼与各期青光眼的差异,用受试者工作特征曲线下面积(area under the receive operating characteristic curve, AUROC)评价其在青光眼早期诊断中的作用?结果:不同阶段青光眼患者各象限及平均RNFL厚度均比正常人减少,差异有统计学意义(P < 0.001)?除视盘面积,其余ONH参数(视杯面积?盘沿面积?盘沿容积?视神经容积?视杯容积?杯盘比?水平杯盘比?垂直杯盘比)在正常组与青光眼组之间差异均有统计学意义(P < 0.001)?正常组与青光眼组之间平均RNFL?垂直杯盘比?杯盘比和视杯面积的AUROC最大?正常组与早期组之间平均RNFL?杯盘比?视杯面积AUROC最大?结论: RTVue FD-OCT测量视盘周围RNFL厚度及ONH参数有助于青光眼早期诊断?     

Diagnostic capability of Fourier-Domain optical coherence tomography in early primary open angle glaucoma

Background Optical coherence tomography （OCT） is a high resolution noncontact imaging modality which can quantitatively detect the optic disc and retinal structure.This study was designed to evaluate the diagnostic capability of parameters of the optic disc, retinal nerve fiber layer thickness, and ganglion cell complex （GCC） using a new technology called Fourier-domain OCT （FD-OCT） for early primary open angle glaucoma （POAG） patients.Methods Two groups of patients, early perimetric damage POAG and normal subjects were included in this observational cross-sectional study.All patients underwent FD-OCT and visual field examination in addition to full ophthalmic examinations.Receiver operating characteristic curves （ROC） were studied for all parameters.The sensitivity and specificity for distinguishing between normal and early glaucomatous eyes, the areas under the receiver operating characteristic curves （AROC） and positive, negative likelihood ratios were evaluated for all the single parameters and selected combined parameters using arbitrary cutoffs.Results Thirty-four eyes of 34 early POAG patients and 42 eyes of 42 normal subjects were analyzed.Cup/disc （C/D）vertical ratio presented the best sensitivity and positive likelihood ratio for selected specificities （95% and 85%） which were 79.4% and 88.2%, 33.4 and 7.4, respectively.Among all single parameters, the C/D vertical ratio demonstrated the highest AROC which was at 0.930.The average thickness of circumpapillary RNFL on 3.45 mm showed the highest AROC among all of the peripapillary RNFL parameters.The sensitivity at selected specificity and AROC of GCC were not as high as C/D vertical ratio and RNFL AT on 3.45 mm.When the C/D vertical ratio, RNFL AT on 3.45 mm, and rim area were combined using a logistical diagnostic model, the AROC was raised to 0.949 but not significantly different from the top single parameter, C/D vertical ratio.Conclusions The key parameters obtained by FD-OCT were able to show the significant differences of optic discs,thickness of RNFL and GCC between POAG patients and normal subjects.According to sensitivity, specificity, likelihood ratio and AROC, the top three parameters from FD-OCT for early diagnosis of POAG were C/D vertical ratio, RNFL AT on 3.45 mm, and the rim area.     

RTVue OCT在正常人和青光眼视神经纤维层厚度和视盘参数测量的中重复性研究

目的: 研究RTVue 频域OCT 在正常人和青光眼中的视神经纤维层厚度和视盘参数测量中的重复性。 方法: 临床观察性研究。89名正常人和63名不同程度的青光眼患者入组,随机选择一眼连续3次测量视神经纤维层厚度和视盘参数。所有测量均由同一操作者完成。通过计算标准差、精确度、变异系数、和组内相关系数（ICC）来评价备的重复性。 结果: 神经纤维层厚度呈现双峰型。所有的视盘参数和均有良好的重复性。对于正常人,ICC介于0.98至1。对于不同程度的青光眼,则介于0.94至1。神经纤维层厚测量也显现良好的重复性,所有受检者的ICC值为0.95至1。对于不同区域的神经纤维层厚度测量,正常人ICC为0.94至0.98,轻度的青光眼患者则为0.94至1,中度0.87至1,重度0.77至0.97,其中重度青光眼的鼻侧变异最大,鼻下和鼻侧分别为0.77和0.87。 结论: RTVue OCT 在正常人和青光眼中的视神经纤维层厚度和视盘参数测量的中有良好的重复性。     

傅立叶OCT在早期原发性开角型青光眼中的诊断能力

目的：评价傅立叶域相干光断层成像术[Fourier-Domain Optical Coherence Tomography,FD-OCT, using the RTVue -100 (Optovue Inc, Fremont, California,USA）]在鉴别正常眼及早期原发性开角型青光眼（POAG）中的能力。 方法：横断面研究。对符合入选标准的早期原发性开角型青光眼组及正常组的所有受试者行FD-OCT及Humphrey视野（Humphrey Field Analyzer model 740, Carl Zeiss Meditec, Dublin, CA, USA）检查。比较早期POAG患者及正常人各视盘测量参数、神经纤维层厚度及后极部神经节细胞复合体(GCC)厚度;对早期POAG患者及正常人各测量参数绘制受试者操作特征曲线（ROC）,计算ROC曲线下面积（AROC）,敏感性、特异性及阳性和阴性似然比评估各参数的诊断性能。 结果：分析34例早期POAG患者及42例正常人结果。在特定特异度（95% and 85%）下垂直杯盘比（C/D vertical ratio）的灵敏度和阳性似然比最高,分别为79.4%和88.2%,33.4和7.4。在所有单一参数中,垂直杯盘比的AROC最大,为0.930。使用logistical诊断模型联合垂直杯盘比、RNFL AT on 3.45mm和盘沿面积,AROC为0.949。 结论：FD-OCT所测得的视盘、神经纤维层厚度及GCC厚度改变在早期POAG患者及正常人差异有显著性。以AROC、敏感性、特异性及阳性和阴性似然比为评价指标,位居前三位的指标为：垂直杯盘比、RNFL AT on 3.45mm和盘沿面积。     

Retinal nerve fiber layer in primary open-angle glaucoma with high myopia determined by optical coherence tomography and scanning laser polarimetry

Background Fundus changes associated with high myopia (HM) may mask those associated with primary open-angle glaucoma (POAG).This study aim to determine the characteristics of RNFL thickness changes in...     

Retinal nerve fiber layer in primary open-angle glaucoma with high myopia determined by optical coherence tomography and scanning laser polarimetry with variable corneal compensation

Background Fundus changes associated with high myopia (HM) may mask those associated with primary open-angle glaucoma (POAG). Characteristic retinal nerve fiber layer (RNFL) thickness profiles in patients with POAG and HM were examined using optical coherence tomography (OCT) and scanning laser polarimetry with variable corneal compensation (GDxVCC), and the diagnostic capabilities of these imaging modalities were compared. Methods Twenty-two eyes with POAG and HM (spherical equivalent [SE] between -6.0 and -12.0 D) were evaluated, and 22 eyes with HM were used for comparison. RNFL parameters evaluated included superior average (Savg-GDx), inferior average (Iavg-GDx), temporal-superior-nasal- inferior-temporal (TSNIT) average, and nerve fiber indicator (NFI) on GDxVCC and superior average (Savg-OCT), inferior average (Iavg-OCT), nasal average (Navg-OCT), temporal average (Tavg-OCT), and average thickness (AvgThick-OCT) on OCT (fast RNFL scan). Visual field testing was performed and defects were evaluated using mean defect (MD) and pattern standard deviation (PSD). Results The RNFL parameters (P < 0.05) that were significantly different between groups included Savg-GDx, Iavg-GDx, TSNIT average, NFI, Savg-OCT, Iavg-OCT, Tavg-OCT, and AvgThick-OCT. Significant correlations existed between TSNIT average and AvgThick-OCT (r = 0.778), TSNIT average and MD (r = 0.749), AvgThick-OCT and MD (r = 0.647), TSNIT average and PSD (r = -0.756), and AvgThick-OCT and PSD (r = -0.784). The area under the receiver operating characteristic curve (AUROC) values of TSNIT average, Savg-GDx, Iavg-GDx, NFI, Savg-OCT, Iavg-OCT, Navg-OCT, Tavg-OCT, and AvgThick-OCT were 0.947, 0.962, 0.973, 0.994, 0.909, 0.917, 0.511, 0.906, and 0.913, respectively. The NFI AUROC was the highest value. Conclusion RNFL thickness was significantly lower in all but the nasal quadrant in patients with POAG and HM, compared to patients with only HM. Measurements with OCT and GDxVCC were well-correlated, and both modalities detected RNFL thickness changes. However, GDxVCC was better than OCT in detecting POAG in HM patients.     

高度近视眼视网膜神经纤维层光学相干断层扫描研究

目的:比较正常眼及不同眼底、不同眼轴高度近视眼(HM)视网膜神经纤维层(RNFL)的厚度,以期发现HM的RNFL特点,为HM合并原发性开角性青光眼(POAG)的诊断提供帮助,减少HM-POAG的误诊率。方法:选取正常对照组30例60眼,HM组40例76眼,按眼底改变轻重将HM患者分为Ⅰ、Ⅱ、Ⅲ、Ⅳ4组,并根据眼轴长度分为23～24mm(正常组,60眼)、25～26mm(20眼)、26～27mm(24眼)、27～28mm(18眼)及>28mm(14眼)组,采用光学相干断层扫描(OCT)测定RNFL的厚度,比较正常对照组、HM组RNFL厚度以及HM与眼轴长度、眼底病变的关系。结果:HM患者RN-FL厚度上、下象限及鼻象限、平均值均变薄,与正常对照组相对应的象限相比差异均有统计学意义(P<0.05),颞象限差异无统计学意义(P>0.05);随着眼轴的增长,平均(Avg)RNFL厚度逐渐变薄,眼轴27～28mm组和眼轴>28mm HM组的Avg RNFL与正常对照组相比差异有统计学意义(P<0.05);Ⅰ、Ⅱ、Ⅲ、Ⅳ组的上、下、鼻象限及均值RNFL厚度较正常对照组均有所降低(P<0.05),各组颞象限与正常对照组差异均无统计学意义(P>0.05)。结论:HM的RNFL厚度随眼轴增长和眼底病变的加重而变薄,对HM患者应采用不同的指标结合RNFL厚度下降辅助诊断早期青光眼。