Responses of the Ocular Anterior Segment and Refraction to 0.5% Tropicamide in Chinese School-Aged Children of Myopia, Emmetropia, and Hyperopia

Table 3

Difference in anterior segment parameters between genders among the three groups.

	ΔACD			ΔACV			ΔACA
	Male	Female	P	Male	Female	P	Male	Female	P
Total	0.097 ± 0.008	0.097 ± 0.007	0.975	10.706 ± 14.336	10.986 ± 12.727	0.863	−0.996 ± 0.595	−0.676 ± 0.564	0.697
Emmetropia	0.101 ± 0.011	0.096 ± 0.011	0.718	11.232 ± 11.400	13.000 ± 10.910	0.412	−2.773 ± 1.003	−0.496 ± 1.025	0.117
Hyperopia	0.188 ± 0.017	0.169 ± 0.020	0.470	19.690 ± 16.935	16.552 ± 12.808	0.430	2.910 ± 1.316	−3.146 ± 0.945	<0.05
Myopia	0.047 ± 0.007	0.063 ± 0.008	0.127	5.707 ± 13.377	6.754 ± 13.179	0.668	−1.233 ± 0.791	−0.564 ± 0.893	0.577

ACD: anterior chamber depth, ACV: anterior chamber volume, ACA: anterior chamber angle, and Δ: difference between pre- and postparameter.