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Haptic features to improve the optic position

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Session Details

Session Title: Pseudophakic IOLs: Monofocal. Cataract Surgery Instrumentation

Session Date/Time: Saturday 05/09/2015 | 16:00-18:30

Paper Time: 17:06

Venue: Room 10

First Author: : A.Galand BELGIUM

Co Author(s): :                        

Abstract Details

Purpose:

Conventional C-loop IOL's have two postoperative drawbacks : 1) a frequent partial optic capture in the capsulorhexis,due to the axis created by the optic-haptic junctions. 2) a large dispersion of the refractive errors. We have designed haptics aiming to improve the IOL position.

Setting:

Cataract Clinic, Rue Bellaire 18 B, Neupré-Liège , Belgium.

Methods:

The new haptics present 4 cardinal C-loops, a maximal equatorial contact and a limited antero-posterior flexibility. Postoperative photographs were used to assess optic capture and tilt. Postoperative refraction in spherical equivalent was used to assess the dispersion of refractive errors. A series of 60 of those implants was compared to a series of 60 conventional 2 C-loop implants.

Results:

Partial optic capture with tilt visible through Purkïnje reflections was seen in 37 % of the 2 C-loop IOL's. No tilt was seen in the cardinal 4 C-loop series. The dispersion of refractive errors was 2.42 in the 2 C-loop series and 1.76 in the 4 C-loop series (p<0.04).

Conclusions:

In the capsular bag,IOL's with 4 C-loop junctions at the cardinal points prevent optic tilt and reduce variations in the effective lens position.

Financial Interest:

One of the authors gains financially from product or procedure presented

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