Table 7.
The change of AL after 19 months and the mean of three corneal reshaping parameters of 17 children who simultaneously wore Euclid and Alpha OK lenses.
| Parameter (Mean ± SD) | Group EA-E (n = 17) | Group EA-A (n = 17) | p value (paired t-test) |
|---|---|---|---|
| Change of AL (mm) | 0.34 ± 0.27 | 0.41 ± 0.28 | 0.06 |
| HMDTZ (mm) | 3.21 ± 0.77 | 3.33 ± 0.73 | 0.38 |
| VMDTZ (mm) | 3.04 ± 0.55 | 3.08 ± 0.47 | 0.68 |
| WHCZ (mm) | 0.70 ± 0.19 | 0.66 ± 0.19 | 0.26 |
| HCD (mm) | 0.15 ± 0.20 | 0.20 ± 0.24 | 0.51 |
| VCD (mm) | −0.09 ± 0.184 | −0.11 ± 0.24 | 0.64 |
| ADV (mm) | 0.23 ± 0.22 | 0.31 ± 0.28 | 0.34 |
| ADA (mm) | 0.25 ± 0.25 | 0.32 ± 0.31 | 0.42 |
Group LE-L: group Lucid-versus-Euclid-Lucid, Group LE-E: group Lucid-versus-Euclid-Euclid. AL:axial length; HMDTZ: horizontal maximum distance of the treatment zone; VMDTZ: vertical maximum distance of the treatment zone; WHCZ: width of the high convex zone; HCD: horizontal component of the decentration vector; VCD: vertical component of the decentration vector; ADV: average value of the decentration vector; ADA: average value of decentration calculated algebraically.