Comparison of the Clinical Outcomes between Echelette Extended Range of Vision and Diffractive Bifocal Intraocular Lenses

Table 6

Subjective evaluation by questionnaire 3 months after IOL implantation.

Questionnaire	ZXR00 (eyes = 54)	ZMB00 (eyes = 44)	value
VF-14 score, mean ± SD	90.54 ± 12.63	85.54 ± 13.34	0.021
QoV score, mean ± SD	5.06 ± 6.15	8.54 ± 8.35	0.022
Frequency score	2.20 ± 2.43	3.39 ± 2.99	0.042
Severity score	1.65 ± 2.13	2.64 ± 2.69	0.023
Bothersome score	1.20 ± 1.74	2.52 ± 2.82	0.006
Self-reported vision
Day score, mean ± SD	9.30 ± 1.24	8.39 ± 1.54	0.001
Night score, mean ± SD	8.74 ± 1.46	7.73 ± 1.88	0.004
Spectacle dependence			0.426
Independent (n)	32 (59.3%)	21 (47.7%)
Occasionally (n)	18 (33.3%)	17 (38.7%)
Often (n)	4 (7.4%)	6 (13.6%)
Most of time (n)	0	0
Always (n)	0	0
Satisfaction grade			0.045
Very satisfied (n)	26 (48.1%)	11 (25.0%)
Good (n)	19 (35.2%)	17 (38.6%)
Partial improvement (n)	9 (16.7%)	12 (27.3%)
Little improvement (n)	0	2 (4.5%)
No improvement (n)	0	1 (2.3%)
Worse (n)	0	1 (2.3%)
Recommendation grade			0.045
Strong (n)	24 (44.4%)	11 (25.0%)
Possible (n)	17 (31.5%)	13 (29.6%)
Probable (n)	13 (24.1%)	18 (40.9%)
Against (n)	0	2 (4.5%)
No opinion (n)	0	0

n  number of eyes; VF-14 = Visual Function-14; QoV = Quality of Vision; SD = standard deviation.