2型糖尿病患者早期黄斑区视网膜亚层及脉络膜的光学相干断层扫描成像特征
吴宇霏, 谭凡, 郑玥, 周煜恒, 吴朝明, 沈梅晓, 陈绮

Characteristics of Macular Intra-Retinal and Choroidal Layers in Type 2 Diabetic Patients Studied with Optical Coherence Tomography
Yufei Wu1, Fan Tan1, Yue Zheng1, Yuheng Zhou1, Chaoming Wu2, Meixiao Shen1, Qi Chen1
OCT放射状拍摄黄斑区视网膜和脉络膜图像及分层分区图示 A：OCT沿黄斑中心凹呈放射状扫描,拍摄黄斑区8 mm范围;B：对黄斑区6 mm范围内的视网膜及脉络膜进一步分3环（中心区、内环、外环）及9个区;C：自动分割算法将视网膜分割为8层和脉络膜。C,中央区;S1,内上方区;T1,内颞侧区;I1,内下方区;N1,内鼻侧区;S2,外上方区;T2,外颞侧区;I2,外下方区;N2,外鼻侧区;NFL,神经纤维层;GCL+IPL,神经节细胞层+内丛状层;INL,内核层;OPL,外丛状层;HFL+ONL,Henle纤维层+外核层;MEZ,肌样体椭圆形区域;OS,光感受器外节;IZ+RPE,色素上皮层;Choroid,脉络膜层.