Are sunglasses necessary in Britain when it isn't always sunny? Discover why UV protection still matters, what makes good sunglasses and why darker lenses don't necessarily offer better protection.

Modern LED headlights can make night driving uncomfortable for many drivers. Discover why glare occurs and how lenses, coatings and eye examinations may help improve visual comfort.

A complete guide to varifocal lenses explaining how they work, how long adaptation works and how modern premium lenses improve everyday vision.