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

Table 3

CDVA in different periods during followup.

	PRE-	Postoperatory
	Pre-op	$3^{°}$ mth	$6^{°}$ mth	${12}^{°}$ mth	${24}^{°}$ mth	${36}^{°}$ mth
0.00	1082 (43.28%)	2048 (81.9%)	2079 (83.25%)	2075 (83.67%)	702 (91.65%)	116 (90.63%)
0.10	524 (20.96%)	361 (14.46%)	365 (14.61%)	359 (14.48%)	54 (7.05%)	9 (7.04%)
0.18	342 (13,68%)	74 (2.96%)	46 (1.84%)	42 (1.69%)	6 (0.78%)	2 (1.55%)
0.30	328 (13.12%)	12 (0.46%)	5 (0.21%)	3 (0.11%)	4 (0.52%)	1 (0.78%)
0.40	99 (3.96%)	5 (0.22%)	2 (0.09%)	1 (0.05%)	—	—
0.48	41 (1.64%)	—	—	—	—	—
0.54	18 (0.72%)	—	—	—	—	—
0.60	18 (0.72%)	—	—	—	—	—
0.70	20 (0.80%)	—	—	—	—	—
0.88	8 (0.32%)	—	—	—	—	—
1.00	18 (0.72%)	—	—	—	—	—
1.18	—	—	—	—	—	—
1.30	2 (0.08%)	—	—	—	—	—
Total	2500	2500	2497	2480	766	128
	100%	100%	100%	100%	100%	100%