Perimetric sensitivity with the micro perimeter 1 and retinal thickness in patients with branch retinal vein occlusion

PURPOSE: To evaluate the relationship between retinal sensitivity and thickness of the macular edema associated with branch retinal vein occlusion (BRVO). DESIGN: Prospective case series. METHODS: We prospectively examined 15 eyes of 15 patients with macular edema associated with BRVO. In each patient, retinal sensitivity in the macular area was examined with the Micro Perimeter 1 (MP-1); retinal thickness was measured by optical coherence tomography (OCT). Eyes with marked retinal hemorrhage or macular nonperfusion were excluded from the current study. RESULTS: Retinal sensitivity measured with the MP-1 was significantly correlated with retinal thickness in the fovea (R(2) = 0.460) and in all extrafoveal regions (R(2) = 0.383 to 0.794). In four eyes treated with triamcinolone acetonide, retinal sensitivity showed marked improvement in parallel with the reduction of the macular edema. CONCLUSIONS: Retinal sensitivity in the macular area correlates linearly and negatively with increased retinal thickness in eyes with BRVO.     

Foveal photoreceptor layer in eyes with persistent cystoid macular edema associated with branch retinal vein occlusion

PURPOSE: To study the correlation of visual acuity and the foveal photoreceptor layer in eyes with persistent cystoid macular edema associated with branch retinal vein occlusion (BRVO). DESIGN: Retrospective chart review. METHODS: We studied retrospectively the medical records of 42 eyes of 42 patients with persistent cystoid macular edema secondary to BRVO, eyes in which the foveal thickness was greater than 250 microm at final examination. On the vertical image obtained by optical coherence tomography at the final examination, we measured thickness of the foveal photoreceptor layer that was beneath the foveal cystoid spaces. We also assessed status of the junction between inner and outer segments of the photoreceptors (IS/OS) in the fovea. RESULTS: The photoreceptor layer beneath the foveal cystoid spaces was detected as a distinct layer with thickness varying between 33 microm and 124 microm (mean, 71.1 +/- 26.8 microm). Final visual acuity showed no correlation with total foveal thickness (r = 0.336, P = .092). However, it did show a close correlation with thickness of the foveal photoreceptor layer (r = -0.571, P < .0001). Of the 42 eyes, 15 showed a continuous IS/OS line in the fovea. Visual acuity in these eyes with a continuous IS/OS line in the fovea was significantly better than that in eyes with a discontinuous or interrupted IS/OS line (P < .0001). CONCLUSIONS: Both the thickness and the integrity of the foveal photoreceptor layer are associated with visual function in eyes with persistent cystoid macular edema associated with BRVO.     

Arteriovenous sheathotomy for persistent macular edema in branch retinal vein occlusion

PURPOSE: To evaluate the efficacy of arteriovenous (AV) sheathotomy with internal limiting membrane peeling for persistent or recurrent macular edema after intravitreal triamcinolone injection and/or laser photocoagulation in branch retinal vein occlusion. METHODS: Twenty-two eyes with branch retinal vein occlusion (BRVO) with recurrent macular edema underwent vitrectomy with AV sheathotomy and internal limiting membrane peeling. All eyes had previous intravitreal triamcinolone injection and/or laser photocoagulation for macular edema. The best corrected visual acuity (BCVA), fluorescein angiography and optical coherence tomography (OCT) before and after surgery were compared. RESULTS: The mean preoperative BCVA (log MAR) were 0.79 +/- 0.29 and postoperative BCVA (log MAR) at 3 months was 0.57 +/- 0.33. And improvement of visual acuity > or = 2 lines was observed in 10 eyes (45%). The mean preoperative fovea thickness measured by OCT was 595.22 +/- 76.83 microm (510-737 microm) and postoperative fovea thickness was 217.60 +/- 47.33 microm (164-285 microm). CONCLUSIONS: Vitrectomy with AV sheathotomy can be one treatment option for the patients with recurrent macular edema in BRVO.     

Serous macular detachment secondary to distant retinal vascular disorders

PURPOSE: To report tomographic features of macular edema associated with distant retinal vascular disorders. METHODS: Six eyes with macular edema (three with extramacular branch retinal vein occlusion and three with Coats disease) underwent fluorescein angiography to detect dye leakage and optical coherence tomography to evaluate the macular features and measure the foveal height (distance between inner retinal surface and retinal pigment epithelium) and the retinal thickness (thickness of neurosensory retina) at the central fovea. RESULTS: Fluorescein angiography showed widespread nonperfusion and retinal vein staining in the eyes with a branch retinal vein occlusion not involving the macula. In eyes with Coats disease, nonperfused areas, telangiectatic retinal vessels, and aneurysms were seen in the peripheral fundus on fluorescein angiography. In one eye with Coats disease, telangiectatic vessels and aneurysms were seen in the nasal mid periphery of the optic disk. There was no dye leakage in the macular area in any eyes. Optical coherence tomography showed subretinal fluid and retinal swelling at the fovea in all eyes. The foveal height ranged from 300 to 697 microm (mean, 478 microm) and retinal thicknesses ranged from 170 to 280 microm (mean, 233 microm). CONCLUSION: Distant retinal vascular leakage causes serous retinal detachment in the macula. The macula is predisposed to collect subretinal fluid although retinal vascular leakage is far from the macula.     

Photoreceptor status after resolved macular edema in branch retinal vein occlusion treated with tissue plasminogen activator

PURPOSE: To evaluate the integrity of photoreceptors in macular edema (ME) associated with branch retinal vein occlusion after intravitreal tissue plasminogen activator. DESIGN: Retrospective, interventional case series. METHODS: Nineteen eyes with ME by branch retinal vein occlusion were treated with intravitreal tissue plasminogen activator injection. We assessed visual acuity (VA) and the presence or absence in the fovea of a third high reflectance band (HRB) by optical coherence tomography at the final visit. RESULTS: No differences were found in age, preoperative VA, and foveal thickness between the groups with or without the third HRB. After treatment, the mean VA improved significantly (P < .05) in both groups. At the final visit, the mean VA in the group without HRB was significantly poorer than the group with HRB (P = .0042); foveal thickness did not differ between the groups. CONCLUSIONS: The integrity of the third HRB in the fovea is associated with VA after the resolution of ME.     

视网膜静脉阻塞黄斑水肿的光相干断层扫描观察

目的 观察视网膜静脉阻塞(RVO)黄斑水肿的光相干断层扫描(OCT)图像特征以及与临床的关联,探讨新型频域OCT在RVO患者黄斑水肿形态和定量分析中的临床价值.方法 回顾分析临床确诊的RVO患者91例92只眼的OCT检查资料.其中,视网膜中央静脉阻塞(CRVO)35例35只眼;视网膜分支静脉阻塞(BRVO)56例57只眼.所有患者接受最佳矫正视力(BCVA)、直接或间接检眼镜、裂隙灯显微镜加前置镜检查.其中60例60只眼还接受了荧光素眼底血管造影(FFA)检查.5线扫描(5 Line Raster)模式下通过中心凹的水平+垂直两条扫描线的分析,对黄斑水肿类型和累及层次以及视网膜外层的细微结构进行观察,用软件自带cliaper功能模块手工测量黄斑中心凹厚度(FT)、浆液性视网膜脱离高度、中心凹囊腔的高度和宽度、中心凹囊腔下光感受器层厚度.在立方体(Cube)扫描模式下,采用软件自带的功能模块对黄斑中心厚度(CFT)、黄斑中心凹体积(V)、平均厚度(AT)进行测量.回顾分析时,重点分析黄斑水肿类型、OCT图像特征以及不同黄斑水肿类型与视力的相互关系.结果 RVO患者黄斑水肿表现为弥漫性水肿、囊样水肿、浆液性视网膜脱离、混合性水肿等多种形态.其中,弥漫性水肿表现为视网膜组织增厚,结构疏松,反射轻度降低;囊样水肿表现为视网膜神经上皮层内有单个或多个低反射囊泡,其间又可见组织柱分隔;浆液性视网膜脱离表现为视网膜神经上皮与色素上皮分离,其间有低反射液性空腔;混合性水肿表现为以上几种水肿形式的混合.92只眼中,弥漫性水肿12例12只眼,占13.0%;囊样水肿21例21只眼,占22.8%;浆液性视网膜脱离37例37只眼,占40.2%;混合性水肿58例59只眼,占64.1%.水肿位于外网状层/外核层91例92只眼.占100.0%;位于内核层67例68只眼,占74.2%;位于神经节细胞层23只眼,占25.0%.光感受器内外节连接(r=3.778 6,P=0.000)、外界膜完整性(r=4.462 2,P=0.000)和FT(r=-0.451 3,P=0.000)与其BCVA有相关性;而CFT(r=0.269 7,P=0.121)、V(r=0.052 8,P=0.054)和AT(r=0.060 8,P=0.075)与视力无相关性.结论 RVO所导致的黄斑水肿其形态和层次可表现为多种不同的类型,频域OCT可以对这些改变进行有效观察,其中有些改变与视力密切相关;定量分析在RVO黄斑水肿患者中的价值有待进一步确定.

Abstract：

Objective To observe the images characteristics of optic coherence tomography (OCT) on macular edema in retinal vein occlusion (RVO), and to explore the application value of Fourier-domain (FD)OCT in RVO macular edema. Methods The clinical data of 91 RVO patients (92 eyes) were retrospectively analyzed. All patients received examinations of best corrected visual acuity (BCVA), direct or indirect ophthalmoscope, slit lamp ophthalmoscope, and 60 patients (60 eyes)also underwent fundus fluorescein angiography. There were 35 patients (35 eyes) with central retinal vein occlusion (CRVO) and 56 patients (57 eyes) with branch retinal vein occlusion (BRVO). The type and involved layer of macular edema, and subtle structure changes of the outer retina were observed through the horizontal and vertical scanning lines through the foveal under the model of 5 Line Raster. The foveal thickness (FT), height of serous retinal detachment, width and height of foveal cystoid spaces and thickness of foveal photoreceptor layer were measure manually. The central fovea thickness (CFT), volume (V) and average thickness (AT) were collected from the OCT readings. Further analysis was focused on different type of the edema, characteristics of OCT images and the relationship between the different type of the edema and vision. Results The manifestation of macular edema was variable by OCT scanning, and can be categorized into diffuse edema (sponge-like thickening of the retina with reduced reflectivity) 12 patients ( 12 eyes, 13.0% ), cystoid edema (multi-cyst-like space in the neuro-retina separated by tissue column) 21 patients (21 eyes, 22.8%) and serous retinal detachment (separation of neuro-retina and retinal pigment epithelium by space with low reflectivity) 37 patients (37 eyes, 40. 2%) and mixed edema(mix of the above several edema form) 58 patients (59 eyes, 64.1 %). The edema can happen at different layers of the neuro-retina, including outer nuclear layer/outer plexiform layer (ONL/OPL) in 92 patients (92 eyes, 100. 0%), inner nuclear layer (INL) in 68 patients (68 eyes, 74.2%) and ganglion cell layer (GCL) in 23 patients (23 eyes, 25.0%).Statistic analysis revealed that BCVA was related to the integrity of IS/OS (r=3. 778 6, P=0. 000), ELM (r=4.462 2, P= 0. 000 ) and FT (r=-0.4513, P=0. 000 ), but not related to CFT (r=0.269 7, P=0.121), V(r=0.0528, P= 0. 054 ) and AT (r=0.0608, P=0.075). Conclusion he manifestation of macular edema associated with RVO is variable. FD-OCT can demonstrate its fine details, and some changes are related to visual acuity. Therefore, the value of quantitative analysis in these patients needs further confirmation.     

曲安奈德联合激光光凝治疗视网膜静脉阻塞继发黄斑水肿

目的：观察玻璃体腔内曲安奈德( trialcinolone acetonide, TA)注射联合黄斑格栅样光凝治疗视网膜静脉阻塞引起黄斑水肿的疗效分析。
　　方法：检眼镜、眼底血管造影( FFA )、光学相干断层扫描( OCT)检查证实的由视网膜静脉阻塞引起的黄斑水肿患者35例35眼,玻璃体内注射TA 2lg,1~4wk内黄斑水肿减轻后行黄斑格栅样光凝,随访6lo,观察视力、眼压、晶状体,OCT 观察黄斑厚度改变,FFA 观察眼底毛细血管渗漏情况。
　　结果：视网膜中央静脉阻塞( central retinal vein occlusion, CRVO)中非缺血型10眼,缺血型14眼;视网膜分支静脉阻塞( branch retinal vein occlusion, BRVO)中非缺血型4眼,缺血型7眼。最终视力提高者19眼,不变者11眼,比术前降低者5眼。 OCT检查黄斑中心凹形态恢复正常者9眼,FFA提示黄斑区荧光素渗漏与术前相比消失或明显减轻;黄斑囊样水肿明显改善者21眼,FFA 提示渗漏比术前减轻;无改善者5眼,FFA 提示黄斑区渗漏比术前加重或不变。
　　结论：玻璃体腔内注射TA 2 lg联合黄斑格栅样光凝治疗视网膜静脉阻塞继发黄斑水肿,可以明显减轻由静脉阻塞引起的黄斑水肿,并提高患者视力,是一种有效可行的方法。     

Intravitreal versus retrobulbar injections of triamcinolone for macular edema associated with branch retinal vein occlusion

PURPOSE: To compare the short-term effect of intravitreal versus retrobulbar injection of triamcinolone acetonide for the treatment of macular edema caused by branch retinal vein occlusion. DESIGN: Randomized clinical trial. METHODS: Sixty eyes of 60 patients who had macular edema associated with branch retinal vein occlusion were randomly assigned to receive a single intravitreal injection (4 mg) or repeated retrobulbar injections (40 mg, three times) of triamcinolone. These injections (first injection in the retrobulbar group) were given approximately 1 week after focal laser photocoagulation. Using optical coherence tomography, the central retinal (foveal) thickness and total macular volume were measured before and at 1 and 3 months after injection. Visual acuity, intraocular pressure, and the incidence of reinjection were also examined. Fifty-two patients (86.7%) completed the 3-month follow-up. RESULTS: The mean foveal thickness and total macular volume decreased significantly after either intravitreal or repeated retrobulbar triamcinolone injections. Foveal thickness and macular volume were significantly less after intravitreal injection than after repeated retrobulbar injections, although there had been no significant differences at baseline. The percent reductions in foveal thickness and macular volume were also greater after intravitreal injection than after retrobulbar injections. Improvement in visual acuity was significantly better after intravitreal injection than after the retrobulbar injections. The incidence of intraocular pressure rise (to > or =20 mm Hg) was greater in the intravitreal group than in the retrobulbar group, but this was readily controlled by the use of antiglaucoma medications. After completion of the 3-month follow-up, 24 patients (46.2%) underwent reinjection. The need for reinjections was significantly greater in the retrobulbar group than in the intravitreal group (P = .0001). CONCLUSIONS: A single intravitreal injection of triamcinolone is significantly more effective than are repeated retrobulbar injections in reducing macular edema associated with branch retinal vein occlusion, and leads to greater improvement in visual acuity.     

Macular diseases--application of automated static perimetry and optical coherence tomography

The usefulness of automated static perimetry and optical coherence tomography in the management of macular diseases has been described. Scotomata in eyes with central serous chorioretinopathy could be evaluated with central 10-degree automated static perimetry. The degree of visual field defects in eyes with the disease varied greatly with mean deviation of -10 dB or less in as many as 10% of the subjects. Although retinitis pigmentosa is a diffuse retinal dystrophy, eyes with a moderately advanced stage of retinitis pigmentosa should be managed as a macular disease, because the functioning retina is confined within the vascular arcade. The progressive nature in this stage of the disease could be demonstrated with a central 10-degree automated static perimetry measured once or twice a year and the use of univariate linear regression of mean deviation, in half of the patients with a mean follow-up period of 5 years. Functional recovery in eyes with exudative age-related macular degeneration after laser surgery or submacular surgery could be evaluated with central 10-degree automated static perimetry. Eyes with increased mean deviation in spite of reduced visual acuity after therapeutic intervention should also be evaluated. Macular function could also be evaluated using a color test. A newly developed color saturation discrimination test was applied to patients with age-related macular degeneration, retinitis pigmentosa, and cone dystrophy. The degree of dyschromatopsia was less in eyes with age-related macular degeneration than in those with retinitis pigmentosa or cone dystrophy with the same level of acuity loss. The highly protrusive nature of the orange-red nodule in eyes with idiopathic polypoidal choroidal vasculopathy was demonstrated with dimensional measurement with OCT. The degree of protrusion was greater than in eyes with serous pigment epithelial detachment, which suggests that the polypoidal lesion is covered with rigid tissues including Bruch's membrane. Parafoveal retinal sensitivity obtained with automated static perimetry was studied in correlation with retinal thickness measured using OCT in eyes with branch retinal vein occlusion showing macular edema without macular non-perfusion or massive retinal hemorrhages. The increased retinal thickness due to macular edema is closely correlated with retinal sensitivity both at the fovea and in the parafoveal area. Eighty-nine phakic eyes of 46 patients with retinitis pigmentosa patients were studied to detect cystoid macular edema using OCT. Cystoid lesions were observed in the macula in 12 eyes in 6 (13%) of 46 patients. Some eyes with OCT-proven cystoid macular edema did not show dye pooling in the fluorescein angiogram. The width of the total area of cystoid lesions was positively correlated with best-corrected visual acuity but the thickness of the neurosensory retina at the center of the fovea was not. OCT findings of successfully repaired macular holes were categorized into 3 groups. Eyes with U-type showed a normal foveal contour and a dark layer corresponding to the outer segment of photoreceptors. Eyes with V-type showed a notch in the surface of repaired neurosensory retina without a dark layer on the retinal pigment epithelium. Those with W-type showed a defect of the neurosensory retina, where the retinal pigment epithelium was exposed. The visual results were excellent in eyes with U-type, but poor in those with W-type.     

视网膜静脉阻塞致黄斑水肿患者相干光断层扫描和视力预后观察

目的探讨相干光断层扫描(optical coherence tomography,OCT)检测视网膜静脉阻塞致黄斑水肿患者的灵敏度(sensitivity,Sen)、特异度(specificity,Spe)及其视力预后影响因素.方法应用OCT和荧光素眼底血管造影(FFA)检测90例(91只眼)各型视网膜静脉阻塞患者.其中男性54例,女性36例;年龄20～74岁,平均(57.8±13.8)岁;45只右眼,46只左眼(其中1例为双眼);视网膜中央静脉阻塞54只眼,半侧静脉阻塞9只眼,分支静脉阻塞28只眼.追踪观察时间1～46个月,平均6.1个月.比较OCT和FFA的灵敏度和特异性.并检测55例另侧健眼的黄斑中心区视网膜厚度,以进行比较分析.结果 (1)在OCT扫描下观察黄斑水肿的形态,有黄斑囊样水肿71只眼(78.0%),视网膜神经上皮下积液14只眼(15.4%),黄斑板层裂孔1只眼(1.1%).黄斑囊样水肿的囊泡高度最小为94 μm,最大为1317 μm,平均(668.18±245.58)μm.54只对侧健眼黄斑中心区视网膜厚度最小为110 μm,最大为236 μm,平均(154.09 ± 21.85)μm.视网膜神经上皮下积液,最高可达1377 μm,甚至超过OCT所能检测的高度.(2)OCT检测黄斑囊样水肿的灵敏度为98.6%、特异度为100%;FFA的灵敏度为86.1% 、特异度为100.0%.(3)黄斑囊样水肿患者的视力预后随访3个月以上的黄斑囊样水肿患者60例(61只眼),分支静脉阻塞致黄斑水肿患者治疗前后视力差异有统计学意义(P<0.01),中央静脉阻塞和半侧静脉阻塞患者治疗前后视力差异无统计学意义(P>0.05).影响患者视力预后的因素有病程长短、黄斑中心区是否积血、病情严重程度等.病程<3个月的患者治疗前后视力差异有统计学意义(P<0.01),而病程≥3个月的患者治疗前后视力差异无统计学意义(P>0.05).结论应用OCT检测视网膜静脉阻塞致黄斑水肿患者,其方法安全,诊断结果可靠,解析度高,是非侵入性、可重复操作的新技术.但黄斑囊样水肿患者视力预后差,应大力推广OCT检查技术,以便早期发现、早期治疗,以改善患者视力.     

LASIK负压吸引对高度近视眼黄斑区视网膜厚度和RNFL的影响

目的探讨准分子激光角膜原位磨镶术(excimer laser in situ keratomileusis,LASIK)负压吸引对高度近视眼黄斑区视网膜厚度和视网膜神经纤维层(retinal nerve fiber layer,RNFL)的影响。方法随机选择接受LASIK手术、矫正视力≥1.0的高度近视眼患者15例(30只眼)(>6.00D),采用Zeiss-Humphrey光学相干断层成像仪(optical coherence tomography,OCT)观察近视眼LASIK术前、术后1周眼底黄斑区和RNFL的变化,并测量以黄斑中心凹为中心3mm半径内的视网膜平均厚度,以地形图分9个区域显示,以及测量以视乳头为中心、直径为3.4mm的RNFL厚度,以地形图分4个区域显示。结果15例(30只眼)高度近视患者LASIK术后1周黄斑中心凹(A1)视网膜平均厚度改变与术中负压吸引时间呈正相关(r=0.310,P=0.05),RNFL厚度改变与术中负压吸引时间呈正相关(r=0.232,P=0.05)。结论高度近视眼LASIK术后出现的黄斑中心凹视网膜水肿和RNFL轻度变薄与负压吸引时间的长短有关。     

黄斑水肿的光相干断层扫描分析

目的 观察黄斑水肿的光相干断层扫描（OCT）图像特征；探讨黄斑中心凹厚度与最佳矫正视力之间的关系。 方法 对50例正常对照者以及47例54只经直接、间接检眼镜、三面镜及荧光素眼底血管造影（FFA）诊断为黄斑水肿的患眼进行OCT检查，通过黄斑中心凹的水平或垂直方向线性扫描，测量黄斑中心凹的厚度，对比分析两组受检者的黄斑形态及中心凹厚度值，根据形态学特点对黄斑水肿者的OCT图像进行分类并将其中心凹厚度与其最佳矫正视力进行相关分析。 结果 正常对照组与黄斑水肿组黄斑形态及中心凹厚度差异有显著性的意义。黄斑水肿患眼的OCT图像表现为3种特征，20只眼表现为黄斑区视网膜海绵样肿胀，占37.1%；26只眼表现为黄斑囊样水肿，占48.1%；8只眼表现为浆液性视网膜神经上皮脱离，占14.8%。黄斑水肿者黄斑中心凹厚度与其最佳矫正视力呈负相关（r=－0.569, P=0.000）。 结论 黄斑水肿的OCT图像主要包括视网膜海绵样肿胀、黄斑囊样水肿及神经上皮浆液性脱离。黄斑水肿患者的黄斑中心凹厚度明显增厚，黄斑中心凹厚度越厚，视力越差。 （中华眼底病杂志，2004，20：152-155）     

Stargardt病的频域相干光断层扫描图像分析

目的 应用频域相干光断层扫描(OCT)技术评价Stargardt病患者黄斑区视网膜容积与中心视力之间的关系.方法 回顾性病例系列研究.收集10例(20只眼)Stargardt病的临床资料进行回顾性分析.所有患者均使用频域OCT分别测量黄斑中心凹区视网膜厚度、黄斑中心凹区光感受器细胞内外节缺失宽度、黄斑中心凹区直径3 mm和1 mm范围内的视网膜容积.运用线性回归分析法,比较最小分辨角对数(logMAR)视力与黄斑中心凹区视网膜厚度、黄斑中心凹区光感受器细胞内外节(IS/OS)缺失宽度、黄斑中心凹区直径3 mm和1 mm范围内视网膜容积的关系.结果 18只眼的logMAR视力为0.30～1.22,黄斑中心凹区光感受器细胞内外节缺失宽度为847～5306μm,黄斑中心凹区视网膜厚度为20～126 μm,黄斑中心凹区直径3 mm和1 mm范围内的视网膜容积分别为1.06～1.76 mm3、0.06～0.13 mm3.logMAR视力与黄斑中心凹区光感受器细胞内外节缺失宽度呈正相关(r=0.695,P＜0.05),与黄斑中心凹区视网膜厚度呈负相关(r=-0.601,P＜0.05),与黄斑中心凹区直径3 mm范围内的视网膜容积呈负相关(r=-0.725,P＜0.05),与黄斑中心凹区直径1 mm范围内的视网膜容积无相关性(r=-0.364,P＜0.05).结论 频域OCT技术可以清晰观察Stargardt 病患者各层视网膜结构,频域OCT检测获得的黄斑区视网膜容积与中心视力间存在一定的相关性.

Abstract：

Objective To assess the relationship between central visual acuity and retinal volume of macular fovea in patients with Stargardt disease by spectral-domain optical coherence tomography ( SD OCT). Methods It was a retrospective case series study. Twenty eyes of 10 patients with Stargardt disease were investigated by three-dimensional spectral-domain optical coherence tomography. SD OCT images were obtained and retrospectively analyzed. The retinal volumes of macular fovea were measured by SD OCT,whose diameters were set as 3 mm and 1 mm separately ( volume 3 and volume 1). The retinal thickness of macular fovea (macular thickness) and the width of IS/OS conjunction loss of macular fovea (IS/OS loss)were also measured by SD OCT. We correlated the logMAR BCVA with IS/OS loss, macular thickness,volume 3 and volume 1 by linear regression analysis. Results LogMAR BCVA was from 0. 3 to 1. 22.IS/OS loss was from 847 μm to 5306 μm. Macular thickness was from 20 μm to 126μm. Volume 3 and volume 1 was from 1. 06 to 1. 76 mm3 and 0. 06 to 0. 13 mm3. LogMAR BCVA correlated with the IS/OS loss (r = 0.695,P＜0. 05) , macular thickness (r= - 0. 601 ,P ＜ 0. 05), and volume 3 ( r = -0.725,P＜0. 05 ). LogMAR BCVA did not correlate with volume 1 ( r = - 0. 364, P ＞ 0. 05). Conclusions SD OCT could demonstrate the retinal structure of Stargardt disease clearly. The retinal volume of macular fovea accessed by SD OCT correlated with the visual acuity of Stargardt disease.     

Correlation between macular ganglion cell-inner plexiform layer thickness and visual acuity after resolution of the macular edema secondary to central retinal vein occlusion

AIM: To examine the thickness of the ganglion cell-inner plexiform layer (GCIPL) in eyes with resolved macular edema (ME) in non-ischemic central retinal vein occlusion (CRVO), applying spectral-domain optical coherence tomography (SD-OCT), and its relationship with visual acuity. METHODS: The retrospective observational case-control study included 30 eyes of non-ischemic CRVO patients with resolved ME (ME eyes) after treatment, and 30 eyes of non-ischemic CRVO patients without ME (non-ME eyes). The macular GCIPL thickness, peripapillary retinal nerve fiber layer (pRNFL) thickness and central macular thickness (CMT) were measured on a SD-OCT scan. Linear regression analyses were performed to determine the correlation between the thickness of each and the visual acuity (VA). RESULTS: No significant difference in average GCIPL thickness, mean pRNFL thickness and CMT were observed between ME group and non-ME group (P=0.296, 0.183, 0.846). But, minimum GCIPL thickness was reduced in ME eyes compared with non-ME eyes (P=0.022). Final VA significantly correlated with the minimum GCIPL thickness in ME eyes (r=-0.482, P=0.007), whereas no correlation was found with average GCIPL thickness, average pRNFL thickness and mean CMT. CONCLUSION: Minimum GCIPL thickness is reduced in ME eyes compared with non-ME eyes, and correlated with the VA in non-ischemic CRVO. These results propose that inner retinal damage occurring in patients with ME secondary to non-ischemic CRVO may lead to permanent visual defect after treatment.     

黄斑水肿患者中心凹厚度与固视性质及平均敏感度相关性研究

目的 观察黄斑水肿(ME)状态下黄斑中心凹厚度与视功能改变之间的相关性.方法 回顾分析应用光相干断层扫描(OCT)联合微视野计(MP-1)检测的ME患者40例42只眼的临床资料.所有患眼均行验光插片,记录最佳矫正视力(BCVA);采用德国Zeiss-HumphreyOCT仪进行OCT检查;意大利Nidek公司MP-1微视野计进行眼底成像、固视检测和视野检查.OCT及MP-1检查均以视盘颢侧2个视盘直径(DD)、下方1/3 DD作为黄斑中心凹进行检查.采用统计学方法对比分析患眼BCVA、中心凹厚度(CMT)、中心10°的光敏感度(MS)以及同视情况.结果 不同病因ME患者中,CMT与BCVA之间无明显相关性(r=-0.429,P=0.069);CMT与MS之间无明显相关性(r=-0.433,P=0.058).固视分析中,固视稳定组与同视不稳定组CMT差异有统计学意义(F=3.262,P=0.039),中心注视组与偏心注视组比较,CMT差异有统计学意义(F=3.173,P=0.044).结论 ME患者CMT增加,但与BCVA、MS无相关性;CMT增加,同视稳定性下降.固视位置发生偏移,出现偏心注视.     

黄斑水肿患者中心凹厚度与固视性质及平均敏感度相关性研究

目的 观察黄斑水肿(ME)状态下黄斑中心凹厚度与视功能改变之间的相关性.方法 回顾分析应用光相干断层扫描(OCT)联合微视野计(MP-1)检测的ME患者40例42只眼的临床资料.所有患眼均行验光插片,记录最佳矫正视力(BCVA);采用德国Zeiss-HumphreyOCT仪进行OCT检查;意大利Nidek公司MP-1微视野计进行眼底成像、固视检测和视野检查.OCT及MP-1检查均以视盘颢侧2个视盘直径(DD)、下方1/3 DD作为黄斑中心凹进行检查.采用统计学方法对比分析患眼BCVA、中心凹厚度(CMT)、中心10°的光敏感度(MS)以及同视情况.结果 不同病因ME患者中,CMT与BCVA之间无明显相关性(r=-0.429,P=0.069);CMT与MS之间无明显相关性(r=-0.433,P=0.058).固视分析中,固视稳定组与同视不稳定组CMT差异有统计学意义(F=3.262,P=0.039),中心注视组与偏心注视组比较,CMT差异有统计学意义(F=3.173,P=0.044).结论 ME患者CMT增加,但与BCVA、MS无相关性;CMT增加,同视稳定性下降.固视位置发生偏移,出现偏心注视.     

黄斑水肿患者中心凹厚度与固视性质及平均敏感度相关性研究

目的 观察黄斑水肿(ME)状态下黄斑中心凹厚度与视功能改变之间的相关性.方法 回顾分析应用光相干断层扫描(OCT)联合微视野计(MP-1)检测的ME患者40例42只眼的临床资料.所有患眼均行验光插片,记录最佳矫正视力(BCVA);采用德国Zeiss-HumphreyOCT仪进行OCT检查;意大利Nidek公司MP-1微视野计进行眼底成像、固视检测和视野检查.OCT及MP-1检查均以视盘颢侧2个视盘直径(DD)、下方1/3 DD作为黄斑中心凹进行检查.采用统计学方法对比分析患眼BCVA、中心凹厚度(CMT)、中心10°的光敏感度(MS)以及同视情况.结果 不同病因ME患者中,CMT与BCVA之间无明显相关性(r=-0.429,P=0.069);CMT与MS之间无明显相关性(r=-0.433,P=0.058).固视分析中,固视稳定组与同视不稳定组CMT差异有统计学意义(F=3.262,P=0.039),中心注视组与偏心注视组比较,CMT差异有统计学意义(F=3.173,P=0.044).结论 ME患者CMT增加,但与BCVA、MS无相关性;CMT增加,同视稳定性下降.固视位置发生偏移,出现偏心注视.     

黄斑水肿患者中心凹厚度与固视性质及平均敏感度相关性研究

目的 观察黄斑水肿(ME)状态下黄斑中心凹厚度与视功能改变之间的相关性.方法 回顾分析应用光相干断层扫描(OCT)联合微视野计(MP-1)检测的ME患者40例42只眼的临床资料.所有患眼均行验光插片,记录最佳矫正视力(BCVA);采用德国Zeiss-HumphreyOCT仪进行OCT检查;意大利Nidek公司MP-1微视野计进行眼底成像、固视检测和视野检查.OCT及MP-1检查均以视盘颢侧2个视盘直径(DD)、下方1/3 DD作为黄斑中心凹进行检查.采用统计学方法对比分析患眼BCVA、中心凹厚度(CMT)、中心10°的光敏感度(MS)以及同视情况.结果 不同病因ME患者中,CMT与BCVA之间无明显相关性(r=-0.429,P=0.069);CMT与MS之间无明显相关性(r=-0.433,P=0.058).固视分析中,固视稳定组与同视不稳定组CMT差异有统计学意义(F=3.262,P=0.039),中心注视组与偏心注视组比较,CMT差异有统计学意义(F=3.173,P=0.044).结论 ME患者CMT增加,但与BCVA、MS无相关性;CMT增加,同视稳定性下降.固视位置发生偏移,出现偏心注视.     

黄斑水肿患者中心凹厚度与固视性质及平均敏感度相关性研究

目的 观察黄斑水肿(ME)状态下黄斑中心凹厚度与视功能改变之间的相关性.方法 回顾分析应用光相干断层扫描(OCT)联合微视野计(MP-1)检测的ME患者40例42只眼的临床资料.所有患眼均行验光插片,记录最佳矫正视力(BCVA);采用德国Zeiss-HumphreyOCT仪进行OCT检查;意大利Nidek公司MP-1微视野计进行眼底成像、固视检测和视野检查.OCT及MP-1检查均以视盘颢侧2个视盘直径(DD)、下方1/3 DD作为黄斑中心凹进行检查.采用统计学方法对比分析患眼BCVA、中心凹厚度(CMT)、中心10°的光敏感度(MS)以及同视情况.结果 不同病因ME患者中,CMT与BCVA之间无明显相关性(r=-0.429,P=0.069);CMT与MS之间无明显相关性(r=-0.433,P=0.058).固视分析中,固视稳定组与同视不稳定组CMT差异有统计学意义(F=3.262,P=0.039),中心注视组与偏心注视组比较,CMT差异有统计学意义(F=3.173,P=0.044).结论 ME患者CMT增加,但与BCVA、MS无相关性;CMT增加,同视稳定性下降.固视位置发生偏移,出现偏心注视.     

黄斑水肿患者中心凹厚度与固视性质及平均敏感度相关性研究

目的 观察黄斑水肿(ME)状态下黄斑中心凹厚度与视功能改变之间的相关性.方法 回顾分析应用光相干断层扫描(OCT)联合微视野计(MP-1)检测的ME患者40例42只眼的临床资料.所有患眼均行验光插片,记录最佳矫正视力(BCVA);采用德国Zeiss-HumphreyOCT仪进行OCT检查;意大利Nidek公司MP-1微视野计进行眼底成像、固视检测和视野检查.OCT及MP-1检查均以视盘颢侧2个视盘直径(DD)、下方1/3 DD作为黄斑中心凹进行检查.采用统计学方法对比分析患眼BCVA、中心凹厚度(CMT)、中心10°的光敏感度(MS)以及同视情况.结果 不同病因ME患者中,CMT与BCVA之间无明显相关性(r=-0.429,P=0.069);CMT与MS之间无明显相关性(r=-0.433,P=0.058).固视分析中,固视稳定组与同视不稳定组CMT差异有统计学意义(F=3.262,P=0.039),中心注视组与偏心注视组比较,CMT差异有统计学意义(F=3.173,P=0.044).结论 ME患者CMT增加,但与BCVA、MS无相关性;CMT增加,同视稳定性下降.固视位置发生偏移,出现偏心注视.