A method for administering an eye test to an individual is provided, the method comprising the steps of presenting within the field of vision of an eye of said individual a fixation target, fixating an eye of said individual on said fixation target, presenting, for a presentation duration, a test pattern within the field of vision of said eye, to allow said individual to form a perceived image of said test pattern, obtaining from said individual input indicative of a difference in at least one localized part of said perceived image as compared to a predefined reference pattern, if said individual detected said difference, and repeating the step of fixating, the second step of presenting and the step of obtaining a selected number of times to obtain a plurality of data, wherein for at least some repetitions of the second step of presenting at least one parameter of said test pattern is modified, said at least one parameter is selected from the location of said test pattern relative to said fixation target, the orientation of said test pattern within said field of vision, and the shape or visual appearance of at least a portion of said test pattern.
