Table 1.

Summary of the subject characteristics. Refprogression denotes spherical equivalent refractive error progression in the subsequent visit.

N = 275	Maximum	Minimum	Mean	Std. Deviation
Age (yrs)	11.00	33.00	14.3	5.2
Subjective refraction (D)	−10.50	0.00	−3.09	2.11
Under-correction (D)	−0.50	0.00	−0.17	0.18
Refprogression (D)	−1.25	+0.25	−0.27	0.27

N: total number of patient visits.