Başkent University Faculty of Medicine, Department of Ophthalmology, Ankara, Türkiye.
Başkent University Faculty of Medicine, Department of Biostatistics, Ankara, Türkiye.
Turk J Ophthalmol. 2023 Aug 19;53(4):234-240. doi: 10.4274/tjo.galenos.2023.27612.
To investigate the macular imaging features in patients with unilateral myelinated retinal nerve fiber (MRNF) and high myopia syndrome.
Six patients with unilateral MRNF and high myopia syndrome and 13 myopic controls were enrolled in this study. Spectral domain (SD) optical coherence tomography (OCT), SD enhanced depth imaging OCT, and OCT angiography (OCTA) imaging results of MRNF-affected eyes were compared with the fellow eyes and myopic controls.
All patients had abnormal foveal reflex and/or ectopia. No significant difference in retinal thickness parameters were noted between the groups. In OCT scans, posterior vitreous detachment (PVD) was observed in 4 out of the 6 MRNF-affected eyes. Regarding OCTA parameters, only a significant increase in acircularity index was noted in myelinated eyes (p=0.01).
All patients demonstrated normal foveal contours, macular structure, and OCTA features except for a higher acircularity index. The incidence of PVD was notably increased in the myelinated eyes.
探讨单侧髓鞘化视网膜神经纤维(MRNF)和高度近视综合征患者的黄斑成像特征。
本研究纳入了 6 例单侧 MRNF 和高度近视综合征患者和 13 名近视对照组。比较了受影响眼与对侧眼和近视对照组的光谱域(SD)光学相干断层扫描(OCT)、SD 增强深度成像 OCT 和 OCT 血管造影(OCTA)成像结果。
所有患者均有异常的黄斑反射和/或异位。各组视网膜厚度参数无显著差异。在 OCT 扫描中,6 例 MRNF 受累眼中有 4 例观察到后玻璃体脱离(PVD)。关于 OCTA 参数,仅在髓鞘化眼中观察到非圆度指数显著增加(p=0.01)。
除了非圆度指数较高外,所有患者的黄斑形态、黄斑结构和 OCTA 特征均正常。PVD 在髓鞘化眼中的发生率明显增加。