Table 1.

Self-reported adverse effects of flickering light stimulation.

	White and 400 cd/m2	White and 700 cd/m2	Red and 400 cd/m2	Red and 700 cd/m2	F*	P*	ηp2*
Fatigue	1.3 (2.0)	1.3 (1.8)	1.0 (1.7)	1.0 (1.8)	0.01	1.000	0.000
Headache	0.4 (1.2)	0.5 (1.2)	0.4 (1.2)	0.3 (1.2)	0.09	0.761	0.003
Dizziness	1.1 (1.8)	1.1 (1.6)	1.1 (1.8)	0.9 (1.6)	0.13	0.726	0.004
Dazzling	2.0 (1.8)	2.1 (2.0)	2.0 (2.0)	2.2 (1.9)	0.57	0.454	0.017
Asthenopia	1.6 (1.8)	1.3 (1.9)	1.4 (1.6)	1.6 (1.9)	2.96	0.094	0.080
Ocular pain	0.1 (0.7)	0.0 (0.2)	0.1 (0.3)	1.1 (0.7)	0.67	0.419	0.019

*repeated measures analysis of variance.