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Table 4 Comparison of diopter (D)

From: Effect of short-term orthokeratology lens or ordinary frame glasses wear on corneal thickness, corneal endothelial cells and vision correction in adolescents with low to moderate myopia

Group

Control group (n = 94)

Experimental group (n = 106)

t

p

Before treatment

3.84 ± 0.92

3.62 ± 0.84

1.758

0.080

The 3rd month

4.25 ± 1.20a

0.53 ± 0.25a

29.486

0.000

The 6th month

4.83 ± 1.26ab

0.44 ± 0.19ab

33.435

0.000

The 12th month

5.36 ± 1.32abc

0.29 ± 0.08abc

37.168

0.000

  1. Compared with before treatment, ap < 0.01; compared with the 3rd month, bp < 0.01; compared with the 6th month, cp < 0.01.