Visual strategy (eye-head movement) of usual drivers to observe stimuli in different heights.

Abstract

Driving is an activity that needs special attention of the subject and also requires the full performance of his physiological and psychological skills. Reality has shown different strategies that people use to vary de fixing point. There are people who preferably move head to search different locations and some other people, who only move eyes to find the refence point. Attitude change is importan to drive. To check the visual behaviour of each driver, the movements of the eyes and of the head opposite to a given stimulus have been counted by using a specific device named VisualPrint System by Essilor. Obviously, it is vey difficult to modify the visual strategy that people assumes from their chilhood. This instrument measures up the attitude of the patient for application of the beginning principle coordination eye-head in the instant of the valuation.