What is the likely result of an improperly aimed headlight on oncoming traffic?

The likely result of an improperly aimed headlight on oncoming traffic is glare and temporary vision impairment for the other drivers. If a headlight is aimed too high, the beam will shine directly into the eyes of oncoming drivers, causing them to experience glare. Glare reduces visibility and can make it difficult for drivers to see the road and other vehicles. This temporary vision impairment can increase the risk of accidents, especially at night or in low-light conditions. An improperly aimed headlight can also reduce the driver's own visibility by not properly illuminating the road ahead. Headlight aiming ensures that the beam is directed correctly to provide optimal visibility without blinding other drivers.