Fig. 4From: The treatment zone size and its decentration influence axial elongation in children with orthokeratology treatmentAxial elongation in function of baseline age and baseline SE of all children in both TZD and TZS groups. Small TZD vs. Large TZD (A) age and (B) spherical equivalent. Small TZS vs. Large TZS (C) age and (D) spherical equivalentBack to article page