The present invention proposes a process for the simulation of the configuration of the environment of activity to the aid of the choice of the user (1) of a progressive lens implemented by a system comprising means (200) of the processing of data with means (203) of the display means (202) of storage, a table (100) with at least two plates (101), several light sources (102) connected by means (200) of the treatment being distributed on a surface of the two plates (101) and at least one sensor (201) of movement. The method comprises at least one step of positioning of the plates (101) of the table (100) according to a configuration of the environment of the user (1), a step of the ignition of a first light source (102a), a step of positioning of the user (1) according to a position in which area of its environment of activity and according to an initial position of the user's head (1) that looks at the first (102a) light source, a step of extinction of the first light source (102a), a step of producing a map (306) of the positions (304) of the eye or eyes, a step of processing by the means (200) of processing of the maps (306) of the positions (304) of the eye or eyes.
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