Comparative study of Acrysof ReSTOR multifocal intraocular lenses +4.00 D and +3.00 D: visual performance and wavefront error

Background The aim was to evaluate visual performance and wavefront error after implantation of three models of Acrysof ReSTOR multifocal intraocular lenses (MIOLs). Methods This prospective comparative six-month study comprised 60 eyes having phacoemulsification and implantation of three diffractive AcrySof ReSTOR MIOLs: SN60D3 +4.00 D spherical MIOL (group 1), SN6AD3 +4.00 D aspheric MIOL (group 2) and SN6AD1 +3.00 D aspheric MIOL (group 3). Results The distance visual acuity was at least 0.1 logMAR in 88.8 per cent of group 1, 88.8 per cent of group 2 and 87.5 per cent of group 3. The distance-corrected near vision was 0.02 ± 0.04 logMAR in group 1, 0.02 ± 0.05 logMAR in group 2 and 0.01 ± 0.03 logMAR in group 3 (p = 0.822). The distance-corrected intermediate vision was 0.26 ± 0.07, 0.22 ± 0.09 and 0.04 ± 0.05, respectively (p < 0.001). The root-mean-square (RMS) of ocular spherical aberration was significantly lower in groups 2 and 3 compared to group 1 (p = 0.048). Conclusion All diffractive MIOLs provided good vision for far and near. ReSTOR MIOL +3.00 also restored intermediate vision. Aspheric MIOLs +4.00 and +3.00 induced significantly lower spherical aberration compared to spherical MIOL +4.00.