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Orientation of a multifocal IOL and related visual performance, our experience

Poster Details

First Author: P.Giardini ITALY

Co Author(s):    N. Hauranieh              

Abstract Details


To find out If the positioning of this new multifocal IOL influence the visual outcome for far, intermediate and near vision.


In our practice, we implanted 13 eyes in 6 consecutive patients with a new multifocal IOL.


We implanted 13 eyes in 6 consecutive patients with multifocal IOL. The optical principle of this IOL is to create a multifocality based on the progression of the power of the lens in the inferior part of the optic disc. The suggested position is inferior. We implanted 3 patients bilateraly with the near addition placed inferiorly, 3 patients were implanted with one eye inferiorly and the other with the segment placed superiorly. One patient had a monolateral implant. visual acuity was measured for far, intermediate and near; complains regarding halos and glare were registered as well as a defocus curve and contrast sensitivity were calculated.


Preop. visual acuity was 0.42 (Best corrected visual acuity - BCVA) for far; 1,25M for near and intermediate. Post op. visual acuity was 0.8 (without glasse) for far, and 0.92 (BCVA). For near and intermediate 0.64M without correction. Defocus curve was surprisingly " flat" (very good depth of focus) for all the eyes examined (segment placed up or down), no difference was registered between the two groups regarding visual acuity and complains. No halos or glare were indicated. We checked with internal aberrometer if the position of the segment that was maintained with time, as well as with a direct check at the slit lamp. Contrast sensitivity was god in both groups and no difference was indicated between the two groups.


Our patients implanted with the IOL in the " suggested position" or upside down were all able to see well for far, intermediate and near. Defocus curve and contrast sensitivity were similar and no difference regarding photic phenomena was indicated. FINANCIAL DISCLOSURE?: No

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