Fig. 2
From: Prediction of premyopia and myopia in Chinese preschool children: a longitudinal cohort
Survival curves for incident myopia and premyopia in different AL and AL/CR groups. Top: Group A: AL < 21.42 mm (25th Percentile), Group B: AL = 21.42 mm to 22.33 mm, Group C: AL > 22.33 mm (75th Percentile). Bottom: Group A: AL/CR < 2.77 (25th Percentile), Group B: AL/CR = 2.77 to 2.85, Group C: AL/CR > 2.85 (75th Percentile)