Prevalence of astigmatism with means and axes for cylindrical error >1.00 at 3 and 12 months following cryotherapy or laser
| Cryotherapy (n=34) | Laser (n=28) | ||||
| 3/12 | 12/12 | 3/12 | 12/12 | ||
| Astigmatism (D) | |||||
| >1 | 13 (38%) | 12 (35%) | 9 (32%) | 14 (50%) | |
| Mean (D) (range) | 2.37 (1.25 to 5.00) | 2.04 (1.25 to 4.50) | 2.167 (1.23 to 3.5) | 1.60 (1.25 to 3.00) | |
| Axis | |||||
| 90 | 8 | 7 | 5 | 6 | |
| 180 | 3 | 4 | 3 | 5 | |
| Oblique | 2 | 1 | 1 | 3 | |