Implantation of a diffractive trifocal intraocular lens: One-year follow-up

Purpose To evaluate the visual, refractive, contrast-sensitivity, and aberrometric outcomes during a 1-year follow-up after implantation of a trifocal intraocular lens (IOL). Setting Premium Clinic, Teplice, Czech Republic. Design Prospective case series. Methods This study included eyes of patients having cataract surgery with implantation of the trifocal IOL model AT Lisa tri 839MP. Distance, intermediate (66 and 80 cm), and near (33 and 40 cm) vision; contrast sensitivity; aberrometric outcomes; and the defocus curve were evaluated during a 12-month follow-up. The level of posterior capsule opacification (PCO) was also evaluated. Results In 120 eyes (60 patients), 1 month postoperatively, an improvement was observed in all visual parameters ( P ≤ .03) except corrected near and intermediate visual acuities (both P ≥ .05). From 1 month to 12 months postoperatively, small but statistically significant changes were observed in uncorrected and corrected distance and near visual acuities (all P ≤ .03) and in uncorrected intermediate visual acuity ( P = .01). In the defocus curve, no significant differences were found between visual acuities corresponding to defocus levels of −1.0 diopter (D) and −2.0 D ( P = .22). The level of ocular spherical aberration decreased statistically significantly at 6 months ( P P Conclusion The trifocal IOL provided complete and stable visual restoration after cataract surgery during a 12-month follow-up, with good levels of visual quality. Financial Disclosure No author has a financial or proprietary interest in any material or method mentioned.