Table 2 Causes of suction loss
Movement type | Suction loss (eye) | Incidence (%) | |
|---|---|---|---|
Head movement | Raise the chin | 10 | 32.3 |
Lower the chin | 4 | 12.9 | |
Slight deviation of head position | 2 | 6.4 | |
Eye movement | Bell’s reflex | 6 | 19.4 |
Light tracking | 4 | 12.9 | |
Eye rotation | 5 | 16.1 | |
Total suction loss | 31 | 100 | |