Table 5.

Visual acuity change from initial visit to 3 months, 6 months, 9 months, 15 months, and 2 to 5 years follow-up, and overall cumulative change^@ in those first seen within 3 months from onset, by macular edema status at follow-up

Follow-up/Initial Visual Acuity	With Macular Edema*			No Macular Edema*
	n	Number (%) of eyes		n	Number (%) of eyes
		Improved	Worsened		Improved	Worsened
Non-ischemic CRVO
3 months**
20/60 or better	104	6 (6%)	35 (37%)	98	10 (10%)	0 (0%)
20/70 or worse	88	23 (26%)	27 (31%)	15	13 (87%)	1 (7%)
6 months**
20/60 or better	86	6 (7%)	33 (39%)	67	13 (19%)	1 (1%)
20/70 or worse	75	17 (23%)	25 (33%)	18	16 (89%)	1 (6%)
9 months**
20/60 or better	72	4 (5%)	29 (40%)	72	9 (12%)	2 (3%)
20/70 or worse	60	15 (25%)	21 (35%)	13	11 (85%)	1 (8%)
15 months**
20//60 or better	44	1 (2%)	18 (41%)	76	12 (15%)	7 (9%)
20/70 or worse	48	8 (17%)	19 (34%)	17	12 (73%)	3 (18%)
2 to 5 years**
20//60 or better	31	1 (3%)	12 (39%)	101	14 (14%)	15 (15%)
20/70 or worse	20	6 (30%)	8 (40%)	41	23 (56%)	5 (12%)
Cumulative@
20//60 or better	39	2 (5%)	15 (42%)	204	28 (14%)	24 (12%)
20/70 or worse	35	9 (26%)	15 (42%)	71	42 (59%)	10 (14%)
Ischemic CRVO as first diagnosis
3 months**
20/70 or worse	41	4 (10%)	3 (7%)	3	2 (67%)	0 (0%)
6 months**
20/70 or worse	35	6 (17%)	5 (14%)	6	2 (33%)	1 (17%)
9 months**
20/70 or worse	30	5 (17%)	5 (17%)	10	3 (30%)	0 (0%)
15 months**
20/70 or worse	21	7 (33%)	3 (14%)	9	2 (22%)	4 (44%)
2 to 5 years
20/70 or worse	6	1 (17%)	0 (0%)	13	4 (31%)	4 (31%)
Cumulative@
20/70 or worse	21	5 (24%)	3 (14%)	22	9 (41%)	4 (18%)

^*Status of macular edema at time of follow-up

^**± 6 weeks for 3, 6, and 9 months; ±12 weeks for 15 months

^@Change from initial visit to last follow-up (after at least 6 months) for eyes where macular edema did not resolve, and to visit following resolution for eyes where macular edema resolved,

CRVO = Central retinal vein occlusion