TABLE 6.

Published values of root-mean-square (RMS) higher-order aberrations for controls, individuals with Down syndrome and individuals with keratoconus.

	Study	3 mm pupil	4 mm pupil	5 mm pupil	6 mm pupil
Controls	McCullough et al.10 Control children	0.09 (IQR: 0.07—0.11)		0.28 (IQR: 0.22–0.34)
	Anderson et al.50 Control adults		0.13 ± 0.04		0.43 ± 0.17
	Salmon et al.51 Control adults	0.045 ± 0.021	0.100 ± 0.044	0.186 ± 0.078	0.327 ± 0.130
Down syndrome	McCullough et al.10 Children with Down syndrome	0.110 (IQR: 0.10–0.14)		0.34 (IQR: 0.26–0.41)
	Anderson et al.50 Adults with Down syndrome		0.21 ± 0.09		0.63 ± 0.34
	Anderson et al.11 Adults with Down syndrome		0.20 ± 0.07
Keratoconus	Pantanelli et al.52 Adults with Keratoconus				2.24 ± 1.22
	Kosaki et al.53 Adults with Keratoconus		0.72 ± 0.35

Note: In addition, the age range of the groups is indicated.

Abbreviations: IQR, Inter-quartile range.