摘要
目的:观察激光导致的黄斑区视网膜损伤的眼底改变及其光学相干断层扫描仪(OCT)图像特征。方法:收集2002年4月—2009年12月因激光照射致视力下降的患者4例(4眼)。所有患者均行眼部常规检查、眼底照相及OCT检查。结果:4例患者的眼底表现各不相同。1例表现为黄斑区板层裂孔,残留薄层外层视网膜,相应部位光感受器内外节连接光带消失及视网膜色素上皮光带消失,脉络膜光带下陷并反射略增强,周围视网膜前膜形成,玻璃体腔积血;1例表现为黄斑区全层裂孔伴周围视网膜水肿;1例表现为黄斑区视网膜神经上皮层局限性浆液性浅脱离;1例表现为黄斑区视网膜内层团状高反射(出血)。结论:激光致黄斑区视网膜损伤的眼底表现多种多样,OCT能够清晰显示其视网膜损伤的层次及形态改变。
Purpose： To observe the changes of ocular fundus and to describe the image features of optical coherence tomography （OCT） in patients with laser-induced maculopathy. Methods： Four patients （4 eyes） with decreased visual acuity due to laser injury were recruited into the study between April 2002 to December 2009. All patients checked up eyes with routine examination, eyeground photography and OCT. Results：The four cases presented with different clinical characteristics from each another. In the first case, OCT showed lamella macular hole, with partially remained outer sensory retina. The signals of inner segments/outer segments （IS/OS） band and RPE band were disrupted. The choroidal band was distorted with increased reflection. Perimacular epiretinal membrane and vitreous hemorrhage were also observed. The second case had a full-thickness macular hole with retina edema surrounding the hole. The third case presented with local serous sensory retinal detachment in macula. The fourth case presented with hyper-reflection of the inner retina in macula which indicated hemorrhage. Conclusion： There are various patterns of laser-induced maculopathy. OCT is a useful noninvasive diagnostic tool to delineate the layer, extent and configuration of the damage on retina.
