A method and a measuring device for improved detection of acquisition parameters of a spectacle frame

The present invention relates to an improved determination of the user data for the production of a spectacle lens to a selected spectacle frame to a user. Here, a method of the invention comprises of providing (12) a position mark or in at least one support disc and / or on the selected spectacle frame, wherein the position marker is transparent when illuminated with light in a perceptible to the human eye spectral range substantially and wherein the position marker illumination with light within a measurement illumination spectrum by means of an image capturing device is recognizable in a measurement range detection; and detecting (14) of user image data at least a portion of the user's head, together with the supported, the user-selected spectacle frame by means of the image sensing device, wherein detecting the user image data detecting the position marker by illuminating the at least one partial area of ​​the user's head with light within the measurement light spectrum and a detecting light which is emitted from at least the illuminated a portion of the user's head, comprising.