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    METHOD AND DEVICE SUITABLE FOR DETERMINING ILLUMINATION CONDITION OF A SCANNER APPARATUS
    4.
    发明公开
    METHOD AND DEVICE SUITABLE FOR DETERMINING ILLUMINATION CONDITION OF A SCANNER APPARATUS 审中-公开

    公开(公告)号：EP4468248A1

    公开(公告)日：2024-11-27

    申请号：EP23175497.9

    申请日：2023-05-25

    Applicant: Carl Zeiss Vision International GmbH

    Inventor： NOELL, Tobias

    IPC: G06T15/50

    Abstract: A computer implemented method suitable for determining environment illumination of a scanner apparatus is provided, comprising: receiving at least one reference image of a reflective light probe placed in the scanner apparatus, and iteratively determining a light model of the environment illumination conditions by differential rendering based on the at least one reference image. The iteratively determining is performed at least with a first group of iterations and a second group of iterations after the first group, wherein an image resolution used in the differential rendering in the first group is lower than an image resolution used in the differential rendering in the second group.

    COATING DEVICE AND METHOD FOR SUPPLYING A LACQUER AND A SOLVENT TO A LACQUER MIXTURE
    6.
    发明公开
    COATING DEVICE AND METHOD FOR SUPPLYING A LACQUER AND A SOLVENT TO A LACQUER MIXTURE 审中-公开

    公开(公告)号：EP4418021A3

    公开(公告)日：2024-10-23

    申请号：EP24178325.7

    申请日：2022-12-07

    Applicant: Carl Zeiss Vision International GmbH

    Inventor： KURZ, Norbert

    IPC: B05C3/09 ,  B05C11/10 ,  G02B1/10 ,  B29D11/00

    Abstract: A coating device (10) for dip coating an ophthalmic lens is provided. The coating device (10) comprises a lacquer basin (12) for receiving a lacquer mixture (20), wherein the lacquer mixture (20) comprises a lacquer and a solvent, and an overflow channel (14) arranged at the lacquer basin (12) for collecting the lacquer mixture (20) overflowing from the lacquer basin (12). The coating device further comprises a tubing system (16), which is connected to the lacquer basin (12) for providing an influx of the lacquer mixture (20) to the lacquer basin (12), and which is connected to the overflow channel (14) for collecting a return flux of the lacquer mixture (20) from the overflow channel (14), such as to enable a circulation of the lacquer mixture (20) through the lacquer basin (12), the overflow channel (14) and the tubing system (16), and a supply unit (18) for dosing the lacquer and the solvent for supplying the lacquer mixture. The tubing system (16) comprises a pump (26) for circulating the lacquer mixture (20) through the lacquer basin (12), the overflow channel (14) and the tubing system (16), wherein the return flux of the lacquer mixture is a flux of lacquer mixture from the overflow channel (14) to the pump (26) generating a circulation of the lacquer mixture, and the influx is a flux of the lacquer mixture from the pump (26) generating the circulation of the lacquer mixture to the lacquer basin (12). The supply unit (18) is connected to the tubing system (16) and adapted to feed at least one of the lacquer and the solvent directly into the tubing system (16). The coating device is characterized in that the tubing system (16) further comprises a flow cooler (44) having an inlet and an outlet, wherein the tubing system (16) is adapted to feed the return flux collected from the overflow channel (14) into the inlet of the flow cooler (44).

    COMPUTER-IMPLEMENTED METHODS AND DEVICES FOR DETERMINING REFRACTIVE ERRORS
    9.
    发明公开
    COMPUTER-IMPLEMENTED METHODS AND DEVICES FOR DETERMINING REFRACTIVE ERRORS 审中-公开

    公开(公告)号：EP4364643A1

    公开(公告)日：2024-05-08

    申请号：EP22205588.1

    申请日：2022-11-04

    Applicant: Carl Zeiss Vision International GmbH

    Inventor： Ohlendorf, Arne ,  Huebner, Julia ,  Leube, Alexander

    IPC: A61B3/00 ,  A61B3/032 ,  A61B3/10

    CPC classification number: A61B3/0025 ,  A61B3/0041 ,  A61B3/032 ,  A61B3/1005

    Abstract: The present invention relates to a computer-implemented method (200) for determining at least one refractive error of an eye (302) of a person (300), the method comprising the following steps: a) generating input data (202) configured to comprise at least one distance (110) between the eye (302) of the person (300) and at least one visual stimulus (108) displayed to the eye (302) of the person (300) and b) generating outcome data (204) configured to comprise at least one refractive error of the eye (302) of the person (300), wherein the at least one refractive error of the eye (302) of the person (300) is determined by evaluating the input data, wherein a position of the entrance pupil (304) of the eye (302) of the person (300) is considered when the at least one refractive error of the eye (302) of the person (300) is determined.
    The present invention further relates to a computer program, a field device (400), a remote device (402), a determining device (100), a data carrier signal (406), a method for producing a geometrical model of at least one spectacle lens and a method for producing at least one spectacle lens.
    The present invention provides a fast, easy, versatile, reliable and accurate approach for determining at least one refractive error of an eye (302) of a person (300).

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