Change of the Nighttime Driving Field of View by the Dirt of a Headlamp and the Improvement with Headlamp Cleaner

Abstract

Dirt of headlamp, such as mud or snow, reduces the front visibility of a driver. Furthermore, it has the danger to increase glare for driver of an oncoming vehicle. In this research, we investigated how the dirt of headlamp influences the glare for driver of an oncoming vehicle and the visibility on road. Furthermore, we verified about the corrective effect of the headlamp cleaner.