Table 6.

Change of tear film break-up time (seconds) before and after tablet computer watching was compared

	Treatment Group
	DA9301			Placebo
	n = 26			n = 24
	Before video stimulus	After video stimulus	p-value	Before video stimulus	After video stimulus	p-value
Baseline visit
Mean (SD)	4.90 (1.50)	4.60 (1.21)	0.893	5.20 (1.55)	4.62 (1.46)	0.989
Median (Min, Max)	4.50 (3, 8)	4.30 (3, 7.3)		5.15 (3, 9.3)	4.15 (2.3,9.3)
Final visit
Mean (SD)	4.78 (1.50)	4.34 (1.04)	0.963	4.67 (1.20)	4.35 (0.92)	0.972
Median (Min, Max)	4.65 (2.3,7.7)	4.15 (3,7)		4.5 (2.7,7.3)	4.3 (3,6.7)

p-value obtained from one-sided paired t-test. If p-value < 0.05, then significant