Abstract

DO.12.06

Bilateral results with a new diffractive multifocal intraocular lens

Mai C., Torun N., Friederici L., Liekfeld A.
Charité - Universitätsmedizin Berlin, Campus Virchow-Klinikum, Augenklinik und Poliklinik, Berlin

Objective: Diffractive multifocal lenses of the latest generation promise to show fewer side effects and at the same time better functional results than earlier models. Therefore, in a prospective study we examined the diffractive lens Acri.LISA 536D (Zeiss/*Acritec) concerning these functions after bilateral implantation. Up until now, 25 cataract patients have been included in our study: Out of these patients, 12 were included in the following analysis after their results were gathered for 6 months.
Methods: Patient ages ranged from 64 to 75 years of age. We examined 6 months postoperatively. Near and far visual acuity, depths of focus, low contrast visual acuity (Humphrey-AR 570), back light visual acuity (Humphrey-AR 570) and night driving ability (Mesoptometer II, Fa. Oculus) were tested binocularly. Furthermore, patients were interviewed about satisfaction and frequency of using glasses.
Results: The average corrected far visual acuity was 1.25 (±0), the uncorrected near visual acuity was 1.0 (±0). 67% of the patients achieved a visual acuity of at least 0.5 in the range of 0 to 4.5 dpt. 4 patients did not achieve night driving ability according to DOG criteria. Satisfaction on a scale of 1-6 was measured at 1.4 (±0.5). On enquiry 7 patients reported halos, 4 patients reported glare. Merely one patient reported needing to wear glasses in the distance, one reported needing to wear glasses to read.
Conclusions: After bilateral implantation Acri.LISA 536D secured nearly 100% independence of glasses. Concerning the optic side effects it is evident that even in this model patients have to tolerate slight restrictions.

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