中华医学杂志（英文版）2012，Vol.125Issue(16)：2858-2861,4.DOI:10.3760/cma.j.issn.0366-6999.2012.16.011
Comparative study of optic disc measurement by Copernicus optical coherence tomography and Heidelberg retinal tomography
Comparative study of optic disc measurement by Copernicus optical coherence tomography and Heidelberg retinal tomography
YANG Qing-song 1YU Ya-jie 2LI Shu-ning 1LIU Juan 1HAO Ying-juan2
作者信息
- 1. Beijing Ophthalmology & Visual Science Key Laboratory, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
- 2. Department of Ophthalmology, Nanjing Tongren Hospital,Nanjing, Jiangsu 211102, China
- 折叠
摘要
Abstract
Background Copernicus optical coherence tomography (SOCT) is a new,ultra high-speed and high-resolution instrument available for clinical evaluation of optic nerve.The purpose of the study was to compare the agreements between SOCT and Heidelberg retinal tomography (HRT).Methods A total of 44 healthy normal volunteers were recruited in this study.One eye in each subject was selected randomly.Agreement between SOCT and HRT-3 in measuring optic disc area was assessed using Bland-Altman plots.Relationships between measurements of optic nerve head parameter obtained by SOCT and HRT-3 were assessed by Pearson correlation.Results There was no significant difference in the average cup area (0.306 vs.0.355 mm,P=0.766),cup volume (0.158 vs.0.130 mm,P=0.106) and cup/disc ration (0.394 vs.0.349 mm,P=0.576) measured by the two instruments.However,other optic disc parameters from SOCT were significantly lower compared with HRT-3.The Bland-Altman plot revealed good agreement of cup area and cup volume measured by SOCT and HRT-3.Bad agreement of disc area,rim area,rim volume and cup/disc ratio were found between SOCT and HRT-3.The highest correlations between the two instruments were observed for cup area (r2=0.783,P=0.000) and cup/disc ratio (r2=0.669,P=0.000),whereas the lowest correlation was observed for disc area (r2=0.100,P=0.037),rim area (r2=0.275,P=0.000),cup volume (r2=0.005,P=0.391) and rim volume (r2=0.021,P=0.346).Conclusions There were poor agreements between SOCT and HRT-3 for measurement of optic nerve parameters except cup area and cup volume.Measurement results of the two instruments are not interchangeable.关键词
Copernicus optical coherence tomography/Heidelberg retinal tomography-3/agreementKey words
Copernicus optical coherence tomography/Heidelberg retinal tomography-3/agreement引用本文复制引用
YANG Qing-song,YU Ya-jie,LI Shu-ning,LIU Juan,HAO Ying-juan..Comparative study of optic disc measurement by Copernicus optical coherence tomography and Heidelberg retinal tomography[J].中华医学杂志（英文版）,2012,125(16):2858-2861,4.
