Table 4. .
Calculated Mean Scan Circumference for the 12-Degree Circular Scan with Each Contact Lens
Change in Anterior Segment Power (D) |
Scan Circumference (mm) |
SD |
CV (%) |
−12.00 | 10.51 | 0.42 | 4.02 |
−10.00 | 10.59 | 0.43 | 4.03 |
−8.00 | 10.68 | 0.43 | 4.04 |
−6.00 | 10.77 | 0.44 | 4.05 |
−4.00 | 10.88 | 0.44 | 4.08 |
−2.00 | 10.99 | 0.45 | 4.10 |
0 | 11.11 | 0.45 | 4.07 |
+2.00 | 11.24 | 0.47 | 4.18 |
+4.00 | 11.39 | 0.48 | 4.23 |
+6.00 | 11.55 | 0.50 | 4.30 |
+8.00 | 11.73 | 0.52 | 4.37 |
Maximum change | 1.22 | 0.11 | 9.02 |