Table 3

Spherical equivalent (SE) and axial length (AL) of the right eye according to the diagnosis of myopia, emmetropia and hyperopia at baseline and at follow-up examination

	Baseline		Follow-up		Progress in 39 months
	Mean	SD	Mean	SD	Mean	SD
All students (n=355)
SE	−0.94	1.66	−2.03	2.11	−1.05	1.14
AL	23.36	0.93	24.14	1.07	0.78	0.44
Students at risk for R eye myopia (nonmyopia) (n=239)
SE	−0.04	0.46	−1.03	1.18	−1.00	1.09
AL	23.03	0.69	23.75	0.82	0.71	0.39
Students with R eye myopia at baseline (SE ≤ −1.0 D) (n=116)
SE	−2.80	1.69	−3.96	2.17	−1.14	1.23
AL	24.03	1.01	24.96	1.08	0.93	0.51
Students with R eye emmetropia at the baseline (−0.5 < SE < +0.5 D) (n=157)
SE	0.05	0.24	−1.04	1.14	−1.09	1.11
AL	23.05	0.67	23.76	0.80	0.70	0.35
Students with R eye hyperopia at baseline (SE ≥ +0.5 D) (n=30)
SE	0.66	0.27	0.01	0.50	−0.66	0.57
AL	22.79	0.76	23.39	0.80	0.60	0.39

AL, axial length; SD, standard deviation; SE, spherical equivalent.