Table 1. The grade of EVFW in all patients.
| EVFW grade | Middle stage | Late stage | Total | Percentage |
| Eyes (n) | 15 | 30 | 45 | 100 |
| Grade 0 | 0 | 0 | 0 | 0 |
| Grade 1 | 0 | 0 | 0 | 0 |
| Grade 2 | 3 | 12 | 15 | 33.33 |
| Grade 3 | 8 | 10 | 18 | 40 |
| Grade 4 | 4 | 8 | 12 | 26.67 |
EVFW: Episcleral venous fluid wave.
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