The eye tracking data from the test showed that the participants' field of view narrowed, and they tended to overlook things immediately after drinking alcohol. Even the next morning, some participants claimed they didn't feel any effects, but the test showed that their driving abilities were still impaired. For example, one participant had difficulty avoiding children and motorcycles and even crossed into the oncoming lane.Mr. Daisuke Uchiumi, Research Division of the Traffic Environment Department, JAF