PowerPointPrsentation

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International Vision Correction Research Centre
mike.holzer_at_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
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Femtosecond laser Femtec
Femtec 20/10 Perfect Vision Heidelberg, Germany

• CE mark
• FDA 510k clearance
• 40 kHz

Patient-Laser-Interface
Mike P. Holzer, MD
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Pentacam HR

• Pentacam HR, Oculus, Wetzlar Germany
• 3D Scheimflug camera
• 100 pictures in 2 seconds
• 138000 data points

Mike P. Holzer, MD
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Case report

• 34 year old male patient
• Keratoconus
• Preoperative UCVA 20/800

Mike P. Holzer, MD
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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
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Pentacam guided Femtec PKP
Mike P. Holzer, MD
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Pentacam guided Femtec PKP
Mike P. Holzer, MD
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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
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International Vision Correction Research Centre
Certified for DIN EN ISO 90012000
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