Table 2. Success and failure rates of eye drop instillation in two groups.

	Glaucoma (n = 78)	Non-glaucoma (n = 85)	P-value†
Success, n (%)	30 (38.5)	48 (56.5)	0.0215*
Failure, n (%)	48 (61.5)	37 (43.5)
Subjects who touched the ocular surface with the bottle	23 (29.5)	13 (15.3)	0.0374*
Subjects who required 2 or more attempts before success	18 (23.1)	17 (20.0)	0.7041
Subjects who delivered 2 or more drops in one attempt	11 (14.1)	7 (8.2)	0.3178
Subjects who delivered one drop but the drop flowed into the conjunctival sac from the lid margin	15 (19.2)	3 (3.5)	0.0196*

^† Fisher’s exact test.

*Statistically significant values.