A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 9/008 (2006.01)
Patent
CA 2664190
A device for laser-optical eye surgery includes a source (10) of pulsed femtosecond laser radiation and also optical components (12, 14, 16) for guiding the laser radiation and focusing the same onto a treatment location on or in the eye (28), the optical components including a plurality of lenses (18, 20) arranged in succession in the beam path of the laser radiation. In accordance with the invention, at least one (18) of the lenses is arranged so as to be adjustable relative to other lenses in the direction of the beam path. In particular, the adjustable lens is a first diverging lens of beam-expansion optics (12). An actuating arrangement (24) is assigned to the adjustable lens for its adjustment, for the control of which arrangement a control unit (26) is provided which is set up to access measured data concerning the topography of a surface of the eye and to control the actuating arrangement in a manner depending on the measured surface topography. The laser device enables the abandonment of a contact lens to be placed onto the eye.
Kittelmann Olaf
Vogler Klaus
Ridout & Maybee Llp
Wavelight Ag
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