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  • Title: [A new white-noise campimeter].
    Author: Schiefer U, Stercken-Sorrenti G.
    Journal: Klin Monbl Augenheilkd; 1993 Jan; 202(1):60-3. PubMed ID: 8464208.
    Abstract:
    In this prototype white-noise field is now generated on a high definition adjustable 19" colour monitor. With the help of a "touch-screen" the patient can draw the borders of his scotoma himself. As the white-noise stimulus is produced by software, there is a much greater variability of white-noise field specifications (brightness, intensity of noise, colour, ...). Furthermore, these parameters can be changed exclusively in circumscribed parts of the noise field (e.g. in a scotoma area). By that way a simulation or even a quantification of perceived noise field defects can be realized. Fixation is controlled with the help of an IR video camera. Input and storage of data as well as their presentation and output (on a Laserwriter) have been substantially improved.
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