Abstract
To evaluate and compare the clinical outcomes of the extended depth-of-focus intraocular lens (EDOF-IOL) and the diffractive bifocal IOL. Fifty-six eyes of 28 patients underwent cataract surgery with implantation of an EDOF-IOL (TECNIS Symfony, ZXR00) in their dominant eye and a diffractive bifocal IOL (+3.25 D add TECNIS ZLB00) in their nondominant eye. Monocular and binocular uncorrected distance, intermediate and near visual acuity, defocus curves, contrast sensitivity, patient satisfaction score (0-5), and spectacle dependence at near vision were evaluated at 3 months after the surgery. Postoperative binocular uncorrected distant visual acuity was 0.009±0.031 logMAR, uncorrected intermediate visual acuity was 0.090±0.158 logMAR, and uncorrected near visual acuity was 0.099±0.068 logMAR. The monocular defocus curve demonstrated better performance at intermediate distance in eyes with an EDOF-IOL and better performance at near distance in eyes with a diffractive bifocal IOL. An EDOF-IOL exhibited better outcomes in contrast sensitivity compared with a diffractive bifocal IOL. Three patients (10.7%) required glasses for near vision. Mix-and-match implantation of a diffractive bifocal IOL with an EDOF-IOL provides an excellent range of vision, and high levels of contrast sensitivity and patient satisfaction.
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