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 ...

You may be able to get more out of your glasses if you try more than one pair. There are many different types of lenses for various lifestyle activities. That depends on whether your eyes change ...

"If your shades are too tinted and impair your vision, you could face a fine of up to £5,000 for careless driving." All sunglasses sold in the UK are given a rating based on how tinted their lenses ...