Table 1.

Subject characteristics.

	Myopia	Emmetropia	Hyperopia	p1	p2	p3
Age (years)	8.55 ± 1.63	8.18 ± 2.44	7.90 ± 1.85	0.313	0.196	0.914
Sex (male/female)	10/12	5/6	4/6	1.000	0.773	0.801
Axial length (mm)	24.30 ± 0.95	22.53 ± 0.90	21.61 ± 0.81	<0.001*	<0.001*	0.018*
Spherical equivalent (D)	−2.21 ± 1.26	0.35 ± 0.46	3.27 ± 1.28	<0.001*	<0.001*	<0.001*

p1: Comparison between myopia and emmetropia; p2: Comparison between myopia and hyperopia; p3: Comparison between emmetropia and hyperopia. Kruskal–Wallis H test for the inter-group comparison of age; Chi-square statistic for the inter-group comparison of sex; GEEs for the inter-group comparison of axial length and spherical equivalent.

^*Significance of difference.