Determination of the static and torsional component of eye position in eye surgery using the Pupil Center Shift (PCS)

摘要

A procedure for determining the torsional movement of a human eye, covering the steps: capture each image of the human eye at at at least two different times;Determine the respective Pupil centre and Limbus centre, and determine the respective connecting factor between the Pupil centre and the Limbus centre point from each image;where a torsional component of an eye movement between the different points of time is determined from the respective determined connecting factors between the centre of the pupil and the centre of the limousine.A device for determining the torsional movement of a human eye and a imaging unit are trained to perform the procedure.