Evaluation of refractive cylinder outcomes in patients undergoing cataract surgery for pre-existing astigmatism using toric IOLs or corneal incisions using the new image-guided system for surgical planning and digital alignment

Session Details

Session Title: Moderated Poster Session : Cataract - Cataract Surgery Equipment/ Instruments/ Surgical Devices/ OVDs

Session Date/Time: Tuesday 08/09/2015 | 14:00-15:00

Paper Time: 14:00

Venue: Poster Village: Pod 1

First Author: : R. Cionni FRANCE

Co Author(s): :    P. Crozafon   S. Slade   S. Lane   K. Solomon     

Abstract Details

Purpose:

To evaluate residual refractive cylinder outcomes following use of a new image-guided surgical planning system with digital alignment in cataract removal and IOL implantation in patients with pre-existing astigmatism.

Setting:

Multi-center study at surgical sites in the United States and Europe. Slade & Baker Vision Center The Eye Institute of Utah Carolina Eye Care

Methods:

This four-arm, open-label, prospective, observational, non-randomized, multi-center study involved 384 eyes of 277 astigmatic cataract patients. Arm 1 (70 patients; 102 eyes) involved toric IOL implantation with the Verion measurement module, vision planner and digital marker M. Arms 2a (71 patients; 95 eyes), 2b (71 patients; 87 eyes), and 2c (65 patients; 100 eyes), involved toric, monofocal, and multifocal IOL implantation, respectively, with the same system, plus digital marker L and femtosecond laser incision. Arms 2b and 2c had arcuate incisions created by the femtosecond laser. Residual refractive cylinder was measured 3 months later.

Results:

The percentage of eyes with residual refractive cylinder ≤0.5 D at 3 months was 71.6%, 74.7%, 62.1%, and 71.0% eyes in Arms 1, 2a, 2b, and 2c, respectively. The percentage of eyes with MRSE accuracy to target of less than and equal to 0.5 D at 3 months was 69.6%, 76.8%, 77%, and 82% in Arms 1, 2a, 2b, and 2c, respectively.

Conclusions:

Use of the image-based digital surgical planning and marking system shows good residual refractive cylinder results in patients undergoing toric, monofocal, or multifocal IOL implantation, with or without laser treatment.

Financial Interest:

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