Table 2.

Pearson’s correlation between visual fatigue and environmental variables.

Variables	Local Light	Natural Light	Contrast	Light Flickering	Reflections	Distance	Image
Local light	-
Natural light	0.17 **	-
Contrasts	0.22 **	0.31 *	-
Light flickering	0.15 **	0.02	0.36 **	-
Reflections	0.27 **	0.01	0.26 **	0.27 **	-
Distance	0.33 **	0.02	0.25 **	0.19 **	0.24 **	-
Image	0.29 **	0.02	0.26 **	0.27 **	0.25 **	0.33 **	-
Visual fatigue	0.06 **	0.01	0.05 **	0.03*	0.06 **	0.03 **	0.03 *

* p < 0.05; ** p < 0.01 (two tails).