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Contrast sensitivity outcomes with the wavelight refractive suite (Excimer EX500 and Femtosecond FS200 lasers)

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Session Details

Session Title: Photoablation Outcomes I

Session Date/Time: Monday 07/09/2015 | 16:30-18:30

Paper Time: 16:48

Venue: Room 17

First Author: : M.Maus GERMANY

Co Author(s): :    A. Cummings   D. Durrie   M. Gordon   R. Williams   J. Gow        

Abstract Details

Purpose:

To evaluate contrast sensitivity after LASIK treatment for myopia using the WaveLight Refractive Suite

Setting:

Prospective, post-market, and open label trial at 4 sites, 2 sites each in US and Europe. 1. Durrie Vision, Overland Park KS, USA 2. Gordon-Weiss-Schanzlin Vision Institute, San Diego CA, USA 3. Wellington Eye Clinic, Dublin, Ireland 4. Sehkraft Augenzentrum Maus, Cologne, Germany

Methods:

Myopic subjects 18 years of age or older underwent LASIK treatment with the WaveLight Refractive Suite. Subjects completed visits preoperatively and at 1 day, 1 month, 3 months, and 6 months postoperatively. Contrast sensitivity was assessed at all postoperative visits. Binocular best corrected contrast sensitivity was measured with the manifest refraction at 8 feet, with the room lights on and the chart luminance greater than 85 cd/m2. Contrast sensitivity was tested at 3 cpd, 6 cpd, 12 cpd and 18 cpd.

Results:

Ninety-seven subjects underwent LASIK treatment and 96 subjects were included in the full analysis set. The mean spherical equivalent at baseline was -3.67 D ±1.98 D. At baseline, binocular contrast sensitivity in log CS was 1.808 ± 0.140 at 3 cpd, 2.020 ± 0.188 at 6 cpd, 1.739 ± 0.209 at 12 cpd and 1.281 ± 0.201 at 18 cpd. At 6 months, binocular contrast sensitivity was 1.917 ± 0.133 at 3 cpd, 2.148 ± 0.126 at 6 cpd, 1.876± 0.144 at 12 cpd and 1.432 ± 0.130 at 18 cpd.

Conclusions:

Subjects' contrast sensitivity was improved at 6 months after LASIK treatment for myopia with the WaveLight Refractive Suite compared to baseline.

Financial Interest:

One of the authors is employed by a for-profit company with an interest in the subject of the presentation, One of the authors receives consulting fees, retainer, or contract payments from a company producing, developing or supplying the product or procedure presented

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