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Technomed Gesellschaft Fur Med. Und Med. Techn. Systeme Mbh

Bende, Thomas

Jean, Benedikt Prof.dr.med.

Thomas Bende

Benedikt Jean

Theo Oltrup

Michael Matallana-Kielmann

Benedikt J Jean

A method and system are disclosed for measuring and mapping the anterior surface topography of a cornea to determine corneal aberrations and an optimal ablation pattern for refractive and therapeutic surgery of the cornea. The invention stimulates a prospective ablation process with real-time visual feedback accurately portraying results of topographic surface alteration that would occur during an actual ablation procedure, thereby achieving minimal corneal aberrations and optimal image quality.

Selective corneal aberrometry

A method and system for non-contact laser photoablation to be utilized during vision corrective surgery. Multiple pulses of electromagnetic energy are impinged onto target tissue to ablate and generate an acoustic pressure wave while concurrently processing signals produced by the acoustic pressure wave. A representative pattern can be provided to guide the surgeon through distinct tissue layers encountered in cornea resculpting surgery. Cluster analysis may be utilized to process the acoustic wave signals to generate the representative pattern. Specifically, the representative cluster pattern provides the surgeon with a tool to discern, with increased precision, the tissue layer being ablated and reduces the likelihood of invading a deeper layer of tissue that should not be removed.

Non-contact photoacoustic spectroscopy for photoablation control

Process and device for determining the topography of a reflecting surface

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Mössingen, Germany

Thomas Bende