— Recommendations are independently chosen by our editors. Purchases you make through the links below may earn us and our publishing partners a commission. A good pair of sunglasses can be the perfect ...

Photochromic sunglasses are nothing new in the world of performance athletic eyewear, offering skiers, mountain bikers, trail runners, and other outdoor athletes the comfort of multiple levels of UV ...

Most will be familiar with photochromic lenses that darken when exposed to UV light, but now a researcher at the University of Connecticut has developed lenses that can quickly switch color based on ...