Table 2 Gas cover rates of the nasal retina of 24-, 25-, 26- and 31-mm eye models.
Gas volume to the vitreous cavity (%) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
100 | 90 | 80 | 70 | 60 | 50 | 40 | 30 | 20 | 10 | 0 | |
24-mm | |||||||||||
Supine | 100 | 100 | 100 | 100 | 100 | 78 | 53 | 29 | 0 | 0 | 0 |
Sitting | 100 | 100 | 92 | 68 | 51 | 43 | 33 | 26 | 14 | 4 | 0 |
Lower nasal | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Lower temporal | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 0 |
Prone | 100 | 100 | 67 | 33 | 9 | 0 | 0 | 0 | 0 | 0 | 0 |
Prone with closed eyes | 100 | 91 | 59 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
25-mm | |||||||||||
Supine | 100 | 100 | 100 | 100 | 100 | 89 | 52 | 25 | 0 | 0 | 0 |
Sitting | 100 | 100 | 78 | 65 | 54 | 44 | 30 | 17 | 8 | 0 | 0 |
Lower nasal | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Lower temporal | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 0 |
Prone | 100 | 100 | 72 | 47 | 14 | 0 | 0 | 0 | 0 | 0 | 0 |
Prone with closed eyes | 100 | 95 | 62 | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
26-mm | |||||||||||
Supine | 100 | 100 | 100 | 100 | 100 | 80 | 54 | 30 | 0 | 0 | 0 |
Sitting | 100 | 100 | 73 | 62 | 49 | 39 | 27 | 16 | 7 | 0 | 0 |
Lower nasal | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Lower temporal | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 0 |
Prone | 100 | 100 | 70 | 47 | 18 | 0 | 0 | 0 | 0 | 0 | 0 |
Prone with closed eyes | 100 | 92 | 61 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
31-mm | |||||||||||
Supine | 100 | 100 | 100 | 100 | 100 | 90 | 52 | 24 | 0 | 0 | 0 |
Sitting | 100 | 100 | 73 | 62 | 49 | 41 | 31 | 18 | 8 | 0 | 0 |
Lower nasal | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Lower temporal | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 0 |
Prone | 100 | 100 | 68 | 46 | 15 | 0 | 0 | 0 | 0 | 0 | 0 |
Prone with closed eyes | 100 | 90 | 63 | 38 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |