Customized Corneal Femtosecond Laser Procedures Using 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 CE mark FDA 510k clearance 40 kHz Patient-Laser-Interface Mike P. Holzer, MD

Pentacam HR Pentacam HR, Oculus, Wetzlar Germany 3D 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.: Thickness guided cuts Anterior curvature guided cuts Posterior curvature guided cuts Precisely positioned astigmatic cuts Mike P. Holzer, MD

G.U. Auffarth, MD A.F.M. Borkenstein, MD A. Ehmer, MSc S. Hara, MD International Vision Correction Research Centre Certified for DIN EN ISO 9001:2000 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