US Patent 7842030 Device and method for detection of eye movements

In a device for detecting eye movements, used in an eye-surgical instrument, which deflects a pulsed treatment laser beam over the cornea in order to form cut areas in the cornea of the eye, and thus forms a sequence of optical breakthroughs in or on the cornea, wherein an optical unit is provided for monitoring the cornea, it is provided that the optical unit monitors the position of at least one optical breakthrough generated in the cornea and recognizes an eye movement on the basis of a migration movement of the monitored optical breakthrough.