ISTANBUL escrs

Impact of a pre-cut on clear cornea incision architecture in cataract surgery

Session Details

Session Title: Cataract 2
Session Date/Time: Saturday 21/02/2015 | 08:30-11:00
Paper Time: 10:03
Venue: Hall 1
First Author: : B.Döller AUSTRIA
Co Author(s): :    O. Findl   N. Hirnschall   P. Nguyen        

Abstract Details

Purpose:

To assess the influence of a 600 µm corneal pre-cut on incision architecture compared to a stab-incision in cataract surgery

Setting:

Vienna Institute for Research in Ocular Surgery, Department of Ophthalmology, Hanusch Hospital, Vienna

Methods:

This randomised study included patients scheduled for cataract surgery in both eyes. Pre-operatively, optical biometry and topography were performed (IOLMaster 500, Atlas; CZM AG). The first eye to be operated randomly received a corneal pre-cut, or a single-plane stab incision, the second eye received the other technique. In the pre-cut group, a vertical cut was performed using a 600µm guided blade. Incision size was 2.4mm in both groups. Incision architecture was assessed intra-operatively using a continuous intraoperative-OCT device (ReScan700, CZM AG) after the incision, after I/A and after IOL implantation. Additionally, OCT measurements were assessed (Spectralis, Heidelberg engineering) post-operatively.

Results:

In total, 40 eyes of 20 patients were included. The intra-operative measurements were possible in all cases and details of the morphology of the incision was visible in nearly all cases. Intra-operative findings of endothelial and epithelial gaping, as well as Descemet detachment correlated well with post-operative findings at the 1 hour follow-up. Correlations between wound architecture and residual astigmatism were found to be weak.

Conclusions:

Intra-operative OCT measurements using spectral-dmoain technology were found to be useful to observe and document the incision architecture during cataract surgery.

Financial Disclosure:

NONE

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