Table 3 Gas cover rates of the temporal 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	87	62	38	11	0	0	0
Sitting	100	100	91	67	51	44	33	26	12	4	0
Lower nasal	100	100	100	100	100	100	100	100	100	100	0
Lower temporal	100	0	0	0	0	0	0	0	0	0	0
Prone	100	100	86	47	25	0	0	0	0	0	0
Prone with closed eyes	100	95	78	38	13	6	0	0	0	0	0
25-mm
Supine	100	100	100	100	87	73	37	11	0	0	0
Sitting	100	100	79	65	54	42	30	19	8	0	0
Lower nasal	100	100	100	100	100	100	100	100	100	100	0
Lower temporal	100	0	0	0	0	0	0	0	0	0	0
Prone	100	100	78	60	22	0	0	0	0	0	0
Prone with closed eyes	100	93	77	59	18	4	0	0	0	0	0
26-mm
Supine	100	100	100	100	87	65	39	13	0	0	0
Sitting	100	100	74	62	49	39	29	19	7	0	0
Lower nasal	100	100	100	100	100	100	100	100	100	100	0
Lower temporal	100	0	0	0	0	0	0	0	0	0	0
Prone	100	100	71	59	24	0	0	0	0	0	0
Prone with closed eyes	100	86	72	54	20	3	0	0	0	0	0
31-mm
Supine	100	100	100	100	86	74	37	15	0	0	0
Sitting	100	100	75	64	50	41	29	17	8	0	0
Lower nasal	100	100	100	100	100	100	100	100	100	100	0
Lower temporal	100	0	0	0	0	0	0	0	0	0	0
Prone	100	100	78	58	20	0	0	0	0	0	0
Prone with closed eyes	100	89	77	58	22	4	0	0	0	0	0

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