Manifest refraction, the toric implantable collamer lens
| Preoperative | Postoperative after 4 years | ||||||
| Cylinder | n/N (%) | Sphere | n/N (%) | Cylinder | n/N (%) | Sphere | n/N (%) |
| ≤−1.50 | 4/40 (10%) | ≤−3.00 | 12/40 (30%) | ≤−1.50 | 36/40 (91.1%) | ±0.25 | 15/40 (37.5%) |
| ≤−3.50 | 20/40 (50%) | ≤−5.00 | 20/40 (50%) | ≤−3.50 | 40/40 (100%) | ±0.50 | 24/40 (60%) |
| ≤−5.00 | 34/40 (85%) | ≤−10.00 | 34/40 (85%) | ≤−5.00 | 40/40 (100%) | ±0.75 | 37/40 (92.5%) |
| ≤−7.00 | 37/40 (92.5%) | ≤−12.00 | 37/40 (92.5%) | ≤−7.00 | 40/40 (100%) | ±1.00 | 39/40 (97.5%) |
| ≤−8.00 | 40/40 (100%) | ≤−18.00 | 40/40 (100%) | ≤−8.00 | 40/40 (100%) | ±1.25 | 40/40 (100%) |
| Mean±SD −3.57±1.56 | Mean±SD −5.06±3.96 | Mean±SD −1.01±0.34 | Mean±SD 0.44±0.38 | ||||