Patent ID: 11867984
Assignee: CARL ZEISS VISION INTERNATIONAL GMBH
Field: Medical technology (Instruments)
Classification: CPC G  A | IPC A  G

Claim 23:
24. The mobile terminal as claimed in claim 19, the mobile terminal being further configured for determining the near-point distance of the person, wherein the processor is configured so that the following steps are furthermore carried out by the mobile terminal:
determining the position of at least one eye of the person; and
determining the near-point distance based on the position of the mobile terminal at the near point and the position of the at least one eye,
wherein the determination of the position of the at least one eye comprises:
during the movement of the mobile terminal to the near point of the person, repeatedly determining the position and orientation of the mobile terminal based on the repeated recordings of the surroundings and the repeated measurement of the acceleration, and repeatedly recording an image of the at least one eye of the person using the built-in camera or a further built-in camera of the mobile terminal;

identifying the at least one eye in the images of the at least one eye of the person; and
determining the position of the at least one eye of the person based on the positions and orientations of the mobile terminal and the identified positions of the eyes in the images.