The team found that a red traffic light was indistinguishable if a driver was wearing a certain type of blue tinted glasses. Elizabeth Hurley is a fan of both the pink and the blue lenses ...

Simon Cowell has revealed the true reason why he often wears rose-tinted glasses - and it isn't for fashion. The music mogul, who returned to filming Britain's Got Talent auditions yesterday ...

However, it's worth noting that the NHS doesn't recommend red glasses officially for migraines. People can be sensitive to different light colours, so some may benefit more from blue or yellow tinted ...