Table 2.

Acetylcholine content in corneal epithelium of each group at 12 h, 24 h, and 36 h after corneal epithelium removal.

	12 h	24 h	36 h	T (12 h vs. 24 h)	P (12 h vs. 24 h)	T (12 h vs. 36 h)	P (12 h vs. 36 h)	T (24 h vs. 36 h)	P (24 h vs. 36 h)
A (n = 10)	20.3891 ± 5.312	11.7864 ± 0.4752	6.9132 ± 2.3250	5.1009	0.0001	7.3492	0.0001	6.4939	0.0001
B (n = 10)	12.493 ± 4.2596	7.2531 ± 1.3623	3.9121 ± 2.2160	3.7052	0.0016	5.6513	0.0001	4.0616	0.0007
C (n = 10)	7.9417 ± 2.1845	2.7761 ± 0.5367	0.8905 ± 1.2670	7.2618	0.0001	8.8297	0.0001	4.3335	0.0004
F	23.27	9.04	15.48
P	0.0001	0.0010	0.0001