Clinical Results of Diffractive, Refractive, Hybrid Multifocal, and Monofocal Intraocular Lenses

Table 4

Mesopic log contrast sensitivity function at far distances without glare in multifocal intraocular lenses at 3-month follow-up.

Parameter	Group 1 OptiVis	Group 3 M-flex	Group 4 ReZoom	Group 5 ReSTOR	value
Number of patients	32	32	32	32
Number of eyes	64	64	64	64
CS at 1.5 cpd					1 versus 3 0.288
Mean ± SD	1.56 ± 0.25	1.43 ± 0.22	1.42 ± 0.21	1.58 ± 0.22	1 versus 4 0.222
					1 versus 5 0.996
CS at 3 cpd					1 versus 3 0.560
Mean ± SD	1.68 ± 0.38	1.57 ± 0.25	1.68 ± 0.21	1.72 ± 0.19	1 versus 4 1.000
					1 versus 5 0.986
CS at 6 cpd					1 versus 3 0.968
Mean ± SD	1.26 ± 0.66	1.36 ± 0.56	1.56 ± 0.49	1.50 ± 0.38	1 versus 4 0.293
					1 versus 5 0.503
CS at 12 cpd					1 versus 3 0.909
Mean ± SD	0.38 ± 0.54	0.53 ± 0.55	0.66 ± 0.68	0.45 ± 0.57	1 versus 4 0.482
					1 versus 5 0.994
CS at 18 cpd					1 versus 3 0.986
Mean ± SD	0.19 ± 0.34	0.13 ± 0.29	0.48 ± 0.49	0.14 ± 0.34	1 versus 4 0.240
					1 versus 5 0.994

ANOVA post hoc; CS, contrast sensitivity; spatial frequencies of 1.5, 3, 6, 12, and 18 cycles per degree; SD, standard deviation.