Analysis of ocular structural parameters and higher-order aberrations in Chinese children with myopia

Table 2 Comparison of higher-order aberrations among children with low, middle, and high myopia

	Total higher-order aberration (μm)	Spherical aberration (μm)	Coma aberration (μm)	Trefoil aberration (μm)
Low myopia	0.24 ± 0.12	0.06 ± 0.04	0.14 ± 0.07	0.13 ± 0.11
Middle myopia	0.24 ± 0.09	0.09 ± 0.04	0.13 ± 0.07	0.12 ± 0.07
High myopia	0.25 ± 0.13	0.07 ± 0.04	0.13 ± 0.06	0.14 ± 0.10
F	0.115	6.735	0.536	0.650
P value	0.891	< 0.001	0.585	0.523