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Effect of patient age on visual acuity between diffractive multifocal and monofocal intraocular lenses

Poster Details

First Author: M.Yoshino JAPAN

Co Author(s):    H. Bissen Miyajima   K. Minami           

Abstract Details


To compare the effect of age on postoperative corrected visual acuity between diffractive multifocal and monofocal intraocular lenses (IOL).


Tokyo Dental College Suidobashi hospital, Tokyo, Japan


This retrospective study included 365 eyes of 237 patients implanted with multifocal IOLs (ZM900 and ZMA00, AMO) (Multi group) and 121 eyes of 85 patients with monofocal IOLs (SN60WF, Alcon) (Mono group). Each group was divided into 5 age categories by decade: 30s (30 to 39 years), 40s, 50s, 60s and 70s. Corrected distance, distance corrected near and corrected near visual acuities (CDVA, DCNVA, and CNVA) at 1 month postoperatively were compared among the Multi and Mono groups for each age category.


In the Multi group, mean CDVA of 30s (-0.16±0.06 logMAR) was significantly better than those of 60s (-0.11±0.06 logMAR) and 70s (-0.10±0.06 logMAR)(P<0.01). DCNVA of 30s (0.00±0.06 logMAR) was significantly better than 60s (0.00±0.12 logMAR) (P<0.01). CNVA of 30s (-0.09±0.09 logMAR) was better than 60s (0.02±0.10 logMAR) and 70s (0.03±0.06 logMAR) (P<0.01), and 40s (-0.05±0.08 logMAR) was better than 70s (P<0.01). Mean CDVA in the Mono group was better than 0.00 logMAR, and there was no significant difference among the age categories (P=0.06).


Corrected visual acuity of eyes with multifocal IOL decreased with patient age, whereas no effect of age was detected for the monofocal IOL. This effect may be caused by the bifocality or diffractive optics in the multifocal IOL. FINANCIAL DISCLOSURE?: ... receives consulting fees, retainer, or contract payments from a company producing, developing or supplying the product or procedure presented

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