| Direction | Right Eye n (%) | Left Eye n (%) | 2 Eyes n (%) |
| Horizontal | 29 (67.4) | 29 (67.4) | 58 (67.4) |
| Vertical | 0 (0) | 0 (0) | 0 (0) |
| Rotary | 14 (32.6) | 14 (32.6) | 28 (32.6) |
| TOTAL | 43 (100) | 43 (100) | 86 (100) |