Visual Performance of Tecnis ZM900 Diffractive Multifocal IOL after 2500 Implants: A 3-Year Followup

Table 2

UDVA in different periods during the followup.

	PRE-	Postoperatory
	Pre-op	$3^{°}$ mth	$6^{°}$ mth	${12}^{°}$ mth	${24}^{°}$ mth	${36}^{°}$ mth
0.00	57 (2.28%)	1059 (42.36%)	1193 (47.77%)	1199 (48.34%)	433 (56.52%)	74 (57.81%)
0.10	117 (4.68%)	632 (25.28%)	606 (24.26%)	675 (27.21%)	185 (24.15%)	28 (21.87%)
0.18	162 (6.48%)	441 (17.64%)	456 (18.26%)	435 (17.54%)	111 (14.49%)	23 (17.96%)
0.30	344 (13.76%)	234 (9.36%)	171 (6.84%)	128 (5.16%)	28 (3.65%)	3 (2.34%)
0.40	194 (7.76%)	77 (3.08%)	34 (1.36%)	31 (1.25%)	3 (0.39%)	—
0.48	231 (9.24%)	37 (1.48%)	20 (0.8%)	6 (0.24%)	3 (0.39%)	—
0.54	259 (10.36%)	14 (0.56%)	14 (0.56%)	6 (0.24%)	3 (0.39%)	—
0.60	145 (5.8%)	3 (0.12%)	3 (0.12%)	—	—	—
0.70	202 (8.08%)	3 (0.12%)	—	—	—	—
0.88	316 (12.64%)	—	—	—	—	—
1.00	202 (8.08%)	—	—	—	—	—
1.18	20 (0.8%)	—	—	—	—	—
1.30	251 (10.04%)	—	—	—	—	—
Total	2500	2500	2497	2480	766	128
	100%	100%	100%	100%	100%	100%