Driving at night is a dazzling experience. Is that because headlights are maladjusted, or too powerful, or not dipped? Jasper.
All three of those reasons are common. All inflict discomfort and risk on every road user. Three other key ingredients are the poor quality of road markings, failure to segregate vehicle lanes from non-illuminated pedestrians, animals etc., and - less widely recognised - the age of drivers.