Method for determining an eye position

A method for determining an eye position, comprising the following steps:

• receiving laser feedback interferometry measurement values of a laser feedback interferometry measurement of an eye using at least one laser interferometry unit, wherein the laser feedback interferometry measurement values are based on at least one laser signal reflected on a component of the eye;
• determining a velocity component of the component of the eye relative to the laser feedback interferometry unit based on the laser feedback interferometry measurement values;
• determining a rotational velocity of the eye about an axis of rotation based on the velocity component by using a geometric eye model, wherein the geometric eye model describes a function between the velocity component and the rotational velocity about the axis of rotation;
• ascertaining an eye position based on the rotational velocity about the axis of rotation by integrating the rotational velocity over a predetermined time segment by taking into account a known eye position as a starting point of the integration;
• and
• providing the eye position change.

A computing unit configured to determine an eye position, the computing unit configured to:

• receive laser feedback interferometry measurement values of a laser feedback interferometry measurement of an eve using at least one laser interferometry unit, wherein the laser feedback interferometry measurement values are based on at least one laser signal reflected on a component of the eye;
• determine a velocity component of the component of the eye relative to the laser feedback interferometry unit based on the laser feedback interferometry measurement values;
• determine a rotational velocity of the eye about an axis of rotation based on the velocity component by using a geometric eye model, wherein the geometric eye model describes a function between the velocity component and the rotational velocity about the axis of rotation;
• ascertain an eye position based on the rotational velocity about the axis of rotation by integrating the rotational velocity over a predetermined time segment by taking into account a known eye position as a starting point of the integration;
• and
• provide the eye position change.

A non-transitory computer readable medium on which is stored a computer program including instructions for determining an eye position, the instructions, when executed by a data processor, causing the data processor to perform the following steps:

• receiving laser feedback interferometry measurement values of a laser feedback interferometry measurement of an eye using at least one laser interferometry unit, wherein the laser feedback interferometry measurement values are based on at least one laser signal reflected on a component of the eye;
• determining a velocity component of the component of the eye relative to the laser feedback interferometry unit based on the laser feedback interferometry measurement values;
• determining a rotational velocity of the eye about an axis of rotation based on the velocity component by using a geometric eye model, wherein the geometric eye model describes a function between the velocity component and the rotational velocity about the axis of rotation;
• ascertaining an eye position based on the rotational velocity about the axis of rotation by integrating the rotational velocity over a predetermined time segment by taking into account a known eye position as a starting point of the integration;
• and
• providing the eye position change.