IOL design influence in Nd:YAG laser rates for a large series of MICS IOL implantations

Session Details

Session Title: Posterior Capsule Opacification

Session Date/Time: Sunday 11/09/2016 | 08:30-10:00

Paper Time: 09:18

Venue: Hall C2

First Author: : G.Lesieur FRANCE

Co Author(s): :                        

Abstract Details

Purpose:

To study the cumulative neodymium: YAG (Nd: Yag) laser rate after 5824 implantations during cataract surgery of 5 different hydrophilic acrylic MICS lens and 1 hydrophobic and evaluate influence of material and design.

Setting:

Centre Ophtalmologique IRIDIS, Albi, France.

Methods:

This retrospective study comprises all patients who were implanted between 2006 and the end of 2015 with one of the after 6 micro-incision IOLs: Akreos MICS and INCISE (Bausch and Lomb), CT Asphina (Zeiss), MicroSlim, Micro AY (PhysIOL) and MicroPure (PhysIOL). The postoperative follow-up ranges from 1 to 120 months. The cumulative Nd:Yag laser frequency rates in all groups were calculated, and the cumulative incidence rates were defined by Kaplan-Meier survival analysis and Mann-Withney test with a significance threshold of 0.05.

Results:

100% of survival rate for the INCISE and MicroPure (no yag so far). The 6-year survival percentage was 27.70% for the Akreos MICS (95% CI :22-34) ; 50.20% for the CT Asphina (95% CI :44-57) ; 66.20% for the MicroSlim (95% CI :61-72) ; 50.50% for the Micro AY (95% CI:47-54). At 6 years the survival rate is lower for Akreos MICS in comparison of 3 others groups p<0.001. The survival rate for MicroSlim is higher than other groups p<0.001 and the survival rate for CT Asphina is not statistically different than Micro AY p<0.8171.

Conclusions:

The Akreos MICS lens shows the highest ND: Yag rate. The CT Asphina plate haptic design with square edge on periphery shows a low Nd: Yag rate at 3 years but increases dramatically after with a tendency to join the Micro AY curve at 6 years. MicroSlim gives the best Nd: Yag survival rate due to turning operation. The INCISE with is sharper barrier edge could give a lower PCO rate in the future but some instability will be shown. Impacts of the IOL design will be discuss.

Financial Disclosure:

... receives consulting fees, retainer, or contract payments from a company producing, developing or supplying the product or procedure presented