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Comparison of the incidence of ocular irritation symptoms among the 3 groups (%).
| Group | 0 point | 1 point | 2 points | 3 points | Total |
| Group A (n = 33) | 87.88% | 9.09% | 3.03% | 0 | 12.12%∗,† |
| Group B (n = 33) | 81.82% | 12.12% | 6.06% | 0 | 18.18% |
| Group C (n = 33) | 60.61% | 21.21% | 12.12% | 6.06% | 39.39% |
Note: After treatment, compared with group B (P < 0.05).
Note: After treatment, compared with group C (P < 0.05).
