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| Group | 3mo after operation | 6mo after operation | 1y after operation |
| Moderate astigmatism group | 4.55±2.34 | 4.46±2.07 | 4.42±2.19 |
| high astigmatism group | 4.62±2.30 | 4.60±2.33 | 4.60±2.35 |
| U | 914.00 | 932.50 | 970.00 |
| P | 0.41 | 0.49 | 0.731 |
