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Optical quality of three different trifocal intraocular lenses: a laboratory study using an optical bench

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Session Details

Session Title: Presented Poster Session: IOL Power Calculation/Paediatric

Venue: Poster Village: Pod 1

First Author: : R.Khoramnia GERMANY

Co Author(s): :    T. Tandogan   S. Liebing   C. Choi   G. Auffarth     

Abstract Details

Purpose:

To compare three different trifocal intraocular lenses (IOLs) of three different manufacturers at the optical bench regarding their optical quality.

Setting:

David J Apple International Laboratory for Ocular Pathology, University Eye Hospital Heidelberg, Heidelberg, Germany

Methods:

The FineVision (PhysIOL, Belgium), the AT LISA tri 839MP (Zeiss, Germany) and the AcrySofIQ PanOptix (Alcon, USA) with a power of 21D for the distance were examined using the OptiSpheric optical bench (Trioptics, Germany). The addition for the near and intermediate distances of these IOLs are as follows: +3.5D/+1.75D (FineVision), +3.33D/+1.66D (AT LISA) and +3.2D/+2.2D (PanOptix). We evaluated the modulation transfer function (MTF) at a spatial frequency of 50 lp/mm and the Strehl ratio using a 3 mm and 4.5 mm aperture.

Results:

The MTF at 50lp/mm (FineVision/AT Lisa/PanOptix) at the far focus was 0,373/0,399/0,400 (3mm aperture) and 0,512/0,311/0,243 (4.5mm aperture). At the intermediate focus, the MTF was 0,162/0,147/0,153 (3mm aperture) and 0,092/0,125/0,137 (4.5mm aperture). The MTF at the near focus was 0,229/0,192/0,404 (3mm aperture) and 0,217/0,212/0,169 (4.5mm aperture). The Strehl ratio was 0,335/0,298/0,370 (3mm aperture) and 0,243/0,180/0,270 (4.5mm aperture) at the far focus. At intermediate distances, the Strehl ratio was 0,189/0,185/0,162 (3mm aperture) and 0,099/0,097/0,114 (4.5mm aperture). The Strehl ratio was 0,305/0,283/0,464 (3mm aperture) and 0,177/0,181/0,155 (4.5mm aperture) at the near focus.

Conclusions:

Assessment of the three trifocal IOL models at the optical bench could show distinct peaks at the far, intermediate and near focus. The performance of the three examined IOL models was comparable.

Financial Disclosure:

receives consulting fees, retainer, or contract payments from a company producing, developing or supplying the product or procedure presented, travel has been funded, fully or partially, by a competing company, travel has been funded, fully or partially, by a company producing, developing or supplying the product or procedure presented, research is funded, fully or partially, by a competing company, research is funded, fully or partially, by a company producing, developing or supplying the product or procedure presented, receives non-monetary benefits from a competing company., receives non-monetary benefits from a company producing, developing or supplying the product or procedure presented., receives consulting fees, retainer, or contract payments from a competing company

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