Visual Acuity After the Combined Binocular Implantation of +2.75 Diopters and +3.25 Diopters Tecnis Multifocal Intraocular Lenses.

Inclusion Criteria: * clinically significant cataract * endothelial cell count: patients aged 18-75 years: \> 1000 cells/mm2; patients \> 75 years: \> 750 cells/mm2 * absence of vision-limiting corneal or retinal comorbidities * capability to understand the informed consent Exclusion Criteria: * expected postoperative astigmatism \> 0.75 diopters * irregular astigmatism * dilated pupil diameter \< 3 mm * corneal and fundus abnormalities that might cause visual impairments * inability to attend follow-up visits