METHOD FOR PRESENTATION OF NEW OPTOTYPES, WHICH DISCRIMINATION REQUIRE GLOBAL INFORMATION INTEGRATION BY THE HUMAN VISUAL SYSTEM, TEST SYSTEM FOR MEASURING REFRACTIVE ERROR AND CONTRAST SENSITIVITY, AND COMPUTER PROGRAM PRODUCT
A method for displaying optotype representations to assess at least one of a refractive error or a contrast sensitivity of the visual system of a test person comprises providing (11) a plurality of optotypes, comprising a base pattern and one or more modulated versions of said base pattern, wherein a contour of said base pattern is defined by a closed curve and said one or more modulated versions of said base pattern have contours being defined by modulated versions of said closed curve providing (12) a test system (30) for measuring at least one of a refractive error or a contrast sensitivity of the visual system of a test person and displaying (13) representations of said plurality of optotypes via a display device (31) of said test system (30).Further, an optotype representation and its use in a test of visual system, a test system and a computer program product are provided.
