International Vision Correction Research Centre mike holzermed uniheidelberg

International Vision Correction Research Centre mike. holzer@med. uni-heidelberg. de www. lasik-hd. de Customized Corneal Femtosecond Laser Procedures Using Femtec and Pentacam HR Mike P. Holzer, MD Gerd U. Auffarth, MD Dept. of Ophthalmology, University of Heidelberg, Germany Chairman: H. E. Völcker, MD

Femtosecond laser: Femtec 20/10 Perfect Vision Heidelberg, Germany ü CE mark ü FDA 510 k clearance ü 40 k. Hz Mike P. Holzer, MD Patient-Laser-Interface

Pentacam HR • Pentacam HR, Oculus, Wetzlar Germany • 3 D Scheimflug camera • 100 pictures in 2 seconds • 138000 data points Mike P. Holzer, MD

Case report • 34 year old male patient • Keratoconus • Preoperative UCVA 20/800 Mike P. Holzer, MD

Surgical procedure • Pentacam HR measurement prior to surgery • Import of Pentacam data into Femtec laser • Penetrating keratoplasty with Femtec laser • Cut depth customized to imported thickness data • Decagonial cut for better alignment Mike P. Holzer, MD

Pentacam guided Femtec PKP Mike P. Holzer, MD

Pentacam guided Femtec PKP Mike P. Holzer, MD

Conclusion Combination of topography data measured with Pentacam HR and Femtec laser offers new possibilities to customize surgical cuts, e. g. : ü Thickness guided cuts ü Anterior curvature guided cuts ü Posterior curvature guided cuts ü Precisely positioned astigmatic cuts Mike P. Holzer, MD

Certified for DIN EN ISO 9001: 2000 International Vision Correction Research Centre G. U. Auffarth, MD A. F. M. Borkenstein, MD A. Ehmer, MSc S. Hara, MD M. P. Holzer, MD H. Jin, MD I. J. Limberger, MD T. M. Rabsilber, MD M. J. Sanchez, MD I. Schmack, MD