Comparison of retinal nerve fiber layer thickness under low and moderate signal strength

VernacularTitle:低、中信号强度下视网膜神经纤维层厚度结果比较
Author: Fei XIONG ; Yan YAO ; Hongjun JIANG ; Xiuling YE ; Xiaolin HAO
Keywords: optical coherence tomography(oct); signal strength; retinal nerve fiber layer
From: The Journal of Practical Medicine 2017;33(16):2729-2732
CountryChina
Language:Chinese
Abstract: Objective To investigate the difference of retinal nerve fiber layer thickness(RNFL)in opti-cal coherence tomography(OCT)under low and moderate signal strength. Methods Four hundred eyes of people aged 46~75 with clear fundus image,no obvious fundus diseases,and satisfactory optical coherence tomography were classified according to their ages and signal strength. The peripapillary and 4 quadrants of RNFL were detect-ed with OCT. Results In satisfactory OCT images ,the signal strength that reached 4/10 and 7/10 was 1.5% and 27% respectively. Under low and moderate signal strength ,the maximum thickness of RNFL was at the superior and inferior,and the minimum thickness of RNFL was at the nasal and temporal. There were no significant differ-ences in RNFL thickness under low or moderate signal strength. Conclusion RNFL results are reliable under low and moderate signal strength.