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Table 3 Axial length in the ortho-k and spectacle groups during the study period

From: Effects of orthokeratology on the progression of low to moderate myopia in Chinese children

 

Ortho-k

Control

Before wearing the lens(mm)

24.71 ± 0.72

24.82 ± 0.77

After 1 year(mm)

24.98 ± 0.70

25.20 ± 0.78

Axial elongation(mm)

0.27 ± 0.17

0.38 ± 0.13

P-value

P < 0.01

P < 0.01