IF 2 4区 医学 Q3 CLINICAL NEUROLOGY
Kamar S Abdullahi, Asyvia Powell, Ziou Jiang, Michael S Lee
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引用次数: 0

摘要

背景:以前的研究已经确定,自动视野周视测量的眼窝阈值与最佳矫正视力之间存在明显的相关性。据我们所知,这些相关性还没有使用 Octopus(Haag-Streit,瑞士科尼茨)周界进行过研究:方法:患者接受八爪鱼自动视野测试,使用青光眼趋势导向周边测量方案,收集眼窝阈值。视力是在患者目前佩戴的屈光眼镜和/或针孔视力下测定的。视力从斯奈伦视力转换为最小分辨角对数(logMAR),用于统计分析。斯皮尔曼相关系数用于确定视力与眼窝阈值之间的相关性:共评估了 332 只眼睛(243 只患病眼睛和 89 只健康眼睛)。发现视力与眼窝阈值之间存在统计学意义上的负相关(P < 0.001)。据统计,视力每增加 0.1 logMAR,估计的眼窝阈值就会降低 1.2 dB(P < 0.001)。在 90% 的置信度下,27.47 或更高的眼窝阈值可预测 20/40 或更好的视力:结论:在自动(八爪鱼)视野测试中,患者的最佳校正 logMAR 视力与眼窝阈值呈负相关。我们的研究结果表明,眼窝阈值可以预测测量视力。我们创建了一个网站应用程序,根据眼窝阈值、年龄以及是否存在眼部病变来预测视力。对于无法阅读斯奈伦视力表的患者和功能性视力丧失的患者来说,眼窝阈值可能是视力的替代估计值。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Correlation Between Visual Acuity and Automated Visual Field Foveal Threshold.

Background: Previous studies have determined a signficant correlation between, foveal threshold on automated visual field perimetry and best-corrected visual acuity. To our knowledge, these correlations have not been studied using the Octopus (Haag-Streit, Köniz, Switzerland) perimeter.

Methods: Patients underwent Octopus automated visual field testing using the glaucoma tendency-oriented perimetry protocol where a foveal threshold value was collected. Visual acuity was determined in the patient's current refractive glasses and/or with pinhole acuity. Visual acuity was converted from Snellen to logarithm of the minimum angle of resolution (logMAR) for statistical analysis. Spearman correlation coefficient was used to determine correlation between visual acuity and foveal threshold value.

Results: A total of 332 eyes (243 diseased eyes and 89 healthy eyes) were assessed. A statistically significant negative correlation was found between visual acuity and foveal threshold (P < 0.001). The estimated foveal threshold was statistically significantly decreased by 1.2 dB per every 0.1 logMAR increase of visual acuity (P < 0.001). A foveal threshold of 27.47 or higher predicted a visual acuity of 20/40 or better with 90% confidence.

Conclusions: Patient best-corrected logMAR visual acuity has a negative correlation with foveal threshold in automated (Octopus) visual field testing. Our findings suggest that foveal threshold may predict measured visual acuity. We created a website application to predict visual acuity based on foveal threshold, age, and presence or absence of ocular pathology. Foveal threshold may represent a surrogate estimate of acuity for patients who are unable to read the Snellen chart and for patients with functional vision loss.

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来源期刊
Journal of Neuro-Ophthalmology
Journal of Neuro-Ophthalmology 医学-临床神经学
CiteScore
2.80
自引率
13.80%
发文量
593
审稿时长
6-12 weeks
期刊介绍: The Journal of Neuro-Ophthalmology (JNO) is the official journal of the North American Neuro-Ophthalmology Society (NANOS). It is a quarterly, peer-reviewed journal that publishes original and commissioned articles related to neuro-ophthalmology.
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