1972-02-01

COMPARISON OF STATIC AND DYNAMIC DRIVER EYE POSITION IN VARIOUS PASSENGER VEHICLES 720201

Cyclopean eye positions of a small selected sample of drivers were measured relative to vehicle reference points while they performed usual driving activities in several late model vehicles. One vehicle was modified to obtain enhanced lateral and rear visibility. Results indicate that 1) during driving eye position shifts substantially to the rear of static eye position, 2) shoulder belts restrict eye excursions even during straight ahead driving, 3) a periscopic type mirror eliminates eye position shift and reduces variability during lane changes when compared to standard rear vision devices, 4) there is no consistent change in eye position over extended periods of driving, and 5) driving environment does not significantly affect average eye position.

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