Table 3.

Distributions of J₄₅ before and after cycloplegia, stratified by age and gender

	Cycloplegia	Mean (D)	Standard error	Standard deviation (D)	Skewness	Kurtosis	IQR (D)
Overall
	Before	0.01	0.02	0.35	1.15	9.26	0.10
	After	−0.01	0.02	0.35	0.28	6.19	0.04
Age (years)
4–6	Before	0.06	0.11	0.59	1.32	2.95	0.44
	After	0.06	0.13	0.66	0.23	1.97	0.47
7–11	Before	0.01	0.03	0.36	−1.11	8.33	0.11
	After	−0.02	0.03	0.31	−0.27	3.37	0.01
12–16	Before	−0.02	0.02	0.17	−0.58	1.44	0.56
	After	−0.01	0.03	0.22	0.53	1.41	0.11
Gender
Boys	Before	0.04	0.04	0.40	0.36	10.87	0.17
	After	−0.02	0.04	0.39	0.51	7.36	0.10
Girls	Before	−0.02	0.03	0.30	−0.43	3.33	0.08
	After	0.00	0.03	0.32	−0.02	3.80	0.00

D: dioptres, IQR: interquartile range.