Safety and efficacy of wavefront‐guided myopic laser in situ keratomileusis using a new wavefront sensor technology: First 100 cases. Issue 8 (August 2015) - Smadja, David
Abstract : Purpose : To evaluate the safety and efficacy of wavefront‐guided laser in situ keratomileusis (LASIK) for the correction of low to high myopia and myopic astigmatism using data derived from a new‐generation Hartmann‐Shack aberrometer. Setting : Refractive Surgery Unit, Bordeaux Hospital University, France. Design : Retrospective case series. Methods : This retrospective study analyzed the initial group of eyes treated with wavefront‐guided LASIK for myopia and myopic astigmatism using the Visx S4IR excimer laser and wavefront data derived from a new Hartmann‐Shack aberrometer (iDesign Advanced Wavescan aberrometer). Refractive (refraction and refractive accuracy) and visual outcomes (uncorrected [UDVA] and corrected [CDVA] distance visual acuities) were recorded 3 months postoperatively. Results : The study included 100 eyes of 50 consecutively treated patients. The mean decimal UDVA improved from 0.1 ± 0.1 (SD) preoperatively to 1.1 ± 0.15 postoperatively ( P < .01). A monocular UDVA of 20/16, 20/20, and 20/25 were achieved in 76.6%, 94.4%, and 96.6% of eyes, respectively. The postoperative manifest spherical equivalent was within ±0.5 diopter in all eyes. No eye lost 2 or more lines of CDVA, and 29.2% of the eyes gained 1 or more lines of CDVA. Conclusion : Wavefront‐guided LASIK performed using data derived from the new Hartmann‐Shack aberrometer was safe, effective, and predictable for treating myopia and myopic astigmatism. Financial Disclosure : No author has a financial or proprietary interest in any material or method mentioned.