1. An optical sensor arrangement, comprising: at least two light sensors for providing at least two sensor signals; and an evaluation circuit that comprises an input coupled to the at least two light sensors and is designed to generate at least two filtered signals by filtering the at least two sensor signals, to generate at least two offset-compensated sensor signals by subtracting the filtered signals from the corresponding sensor signals and to generate an entry vector indicating the position of an object relative to the at least two light sensors at the start of a gesture and an exit vector indicating the position of the object relative to the at least two light sensors at the end of the gesture, wherein a first coordinate of a vector is a north to south strength and a second coordinate of the vector is an east to west strength, and wherein the first and the second coordinates of the vector depend on the at least two offset-compensated sensor signals.