Department of Ophthalmology, Huercal Overa Hospital, Almeria, Spain.
Graefes Arch Clin Exp Ophthalmol. 2012 Sep;250(9):1347-51. doi: 10.1007/s00417-012-1929-4. Epub 2012 Jan 25.
To compare the global indices and test duration as measured by Octopus 300 and Topcon SBP-3000 perimeters. To our knowledge, this is the first study performed in this way.
Eighty eyes of 40 glaucomatous and ocular hypertensive patients with previous perimetric experience had visual field tests with Octopus 300 (TOP strategy) and TOPCON SBP-3000. All pairs of tests were performed randomly on separate days, but within 1 month of each other. Taking into account reliability factors of both perimetric examinations, 54 eyes of thirty patients were eligible. Only one eye from each patient was considered. Mean sensitivity (MS), mean defect (MD), loss of variance (sLV-Octopus- and LV -Topcon-) and test duration times were considered.
A significant difference was found between the global indices and duration times of the Octopus and the Topcon perimeters (p < 0.05; Wilcoxon test). Moderate degrees of correlation were obtained for MS (Spearman's rho = 0.635; p < 0.001) and MD (Spearman's rho = 0.592; p = 0.001) measurements. There was no correlation between sLV and LV (Spearman's rho = 0.181; p = 0.337). Agreements between pairs of global indices were low as measured by concordance correlation coefficient.
Global indices measured by the Octopus and Topcon perimeters are significantly different, so direct comparison of the measured values is not reliable. Because of the poor association and agreement between values obtained by these two perimeters, indirect comparison is also inadvisable.
比较 Octopus 300 和 Topcon SBP-3000 两款视野计的全球指数和测试时间。据我们所知，这是首次以这种方式进行的研究。
对 40 名有视野检查经验的青光眼和高眼压患者的 80 只眼进行了视野检查，使用了 Octopus 300（TOP 策略）和 Topcon SBP-3000。所有对测试均在不同的日子里随机进行，但彼此之间相隔不超过 1 个月。考虑到两种视野计检查的可靠性因素，有 30 名患者的 54 只眼符合条件。每位患者只考虑一只眼。考虑了平均敏感性（MS）、平均缺损（MD）、方差损失（Octopus 和 Topcon 的 sLV-）和测试时间。
Octopus 和 Topcon 视野计的全球指数和测试时间存在显著差异（p<0.05；Wilcoxon 检验）。MS（Spearman rho=0.635；p<0.001）和 MD（Spearman rho=0.592；p=0.001）的测量结果具有中度相关性。sLV 和 LV 之间没有相关性（Spearman rho=0.181；p=0.337）。通过一致性相关系数测量，全球指数之间的一致性较低。
Octopus 和 Topcon 视野计测量的全球指数有显著差异，因此直接比较测量值是不可靠的。由于这两种视野计获得的值之间关联和一致性较差，间接比较也不可取。
