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Official Journal of the Japan Wood Research Society

Journal of Wood Science Cover Image
Fig. 6 | Journal of Wood Science

Fig. 6

From: Reducing eye fatigue through the use of wood

Fig. 6

Averages of SSL changes obtained by Eq. (2). Averages of SSL before gaze in Table 1 are shown at the neighborhood of 0.0 SSL of each bar. Standard errors only for plus were shown at the end of each bar. Paired t test results of differences between average SSL changes by item and average SSL of 0.0: *p < 0.05, **p < 0.01. SSL subjective symptoms level

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