Table 1 Baseline demographic data and timing of baseline visit. Data are presented as mean ± standard deviation

Number of participants

33

35

Sex (female/male)

15/18

15/20

0.44

Age (years)

9.3 ± 1.0

9.1 ± 1.2

0.50

BCVA (logMAR)

 − 0.04 ± 0.05

 − 0.03 ± 0.05

0.42

Axial length (mm)

24.57 ± 0.71

24.50 ± 0.92

0.73

Timing of baseline visit (hours)

13:54 ± 3:06

13:42 ± 3:30

0.83

Number of participants

11

12

–

Timing of baseline visit (hours)*

9:00 (9:00–12:00)

9:36 (8:00–10:54)

0.99

Number of participants

22

23

–

Timing of baseline visit (hours)

15:54 ± 1:18

16:00 ± 1:36

0.89