Table 4 The difference of myopic correction and inhibitory effect of axial elongation between the two myopic sub-group

Age, years

12.7±0.6

13.4±0.4

0.338*

Baseline myopic diopter, D

-6.08±0.13

-4.45±0.31

<0.001^■

Residual SE, D

-0.71±0.27

-0.47±0.17

0.442^■

Baseline axial length, mm

25.97±0.20

25.58±0.16

0.078^■

Axial elongation, mm

0.23±0.04

0.10±0.04

0.011^■

Baseline steep K

43.4±0.6

44.2±0.4

0.339^■

∆ steep K

0.4±0.1

1.9±0.4

0.001^■

Baseline flat K

42.3±0.7

42.9±0.3

0.420^■

∆ flat K

1.0±0.4

1.6±0.1

0.140^■