Effects of Horizontal Acceleration on Human Visual Acuity and Stereopsis

doi:10.3390/ijerph120100910

中山醫學大學機構典藏 CSMUIR > 醫學院 > 生化微生物免疫研究所 > 期刊論文 > Item 310902500/11424

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题名:	Effects of Horizontal Acceleration on Human Visual Acuity and Stereopsis
作者:	Chi-Ting Horng;Wu-Hsien Kuo;Yi-Chang Wu Hsieh, Yih-Shou Tsai, Ming-Ling Chang, Wei-Kang Yang, Tzu-Hung Yauan, Chien-Han Wang, Chih-Hung
贡献者:	中山醫學大學
关键词:	acceleration;Gx;Gy;visual acuity;stereopsis
日期:	2015
上传时间:	2015-07-21T04:04:53Z (UTC)
ISSN:	1661-7827
摘要:	The effect of horizontal acceleration on human visual acuity and stereopsis is demonstrated in this study. Twenty participants (mean age 22.6 years) were enrolled in the experiment. Acceleration from two different directions was performed at the Taiwan High-Speed Rail Laboratory. Gx and Gy (< and >0.1 g) were produced on an accelerating platform where the subjects stood. The visual acuity and stereopsis of the right eye were measured before and during the acceleration. Acceleration <0.1 g in the X- or Y-axis did not affect dynamic vision and stereopsis. Vision decreased (mean from 0.02 logMAR to 0.25 logMAR) and stereopsis declined significantly (mean from 40 s to 60.2 s of arc) when Gx > 0.1 g. Visual acuity worsened (mean from 0.02 logMAR to 0.19 logMAR) and poor stereopsis was noted (mean from 40 s to 50.2 s of arc) when Gy > 0.1 g. The effect of acceleration from the X-axis on the visual system was higher than that from the Y-axis. During acceleration, most subjects complained of ocular strain when reading. To our knowledge, this study is the first to report the exact levels of visual function loss during Gx and Gy.
URI:	https://ir.csmu.edu.tw:8080/ir/handle/310902500/11424 http://dx.doi.org/10.3390/ijerph120100910
關聯:	Int. J. Environ. Res. Public Health 2015, 12(1), 910-926;
显示于类别:	[生化微生物免疫研究所] 期刊論文

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