Generally speaking, headlights fitted to personal vehicles in the UK have to be white or yellow. They should allow you to see 100 metres in front of you, without affecting the vision of other drivers. The law states that you need to have headlights with a British Standard mark, which ought to mean it’s made to specs that don’t harm other drivers.Some, however, think this doesn’t go far enough. RAC research, for instance, has suggested that “the problem of dazzling headlights is getting worse”, with 61% of UK drivers affected by headlight glare stating they’ve seen more of the problem in the past 12 months.The issue can be “significantly” worse for those who wear glasses.And in a recent post to R