PORT ST. LUCIE — You are probably familiar with the popular Transitions eyeglass lenses that quickly adjust from clear to dark based on light conditions. You may even own a pair. Well, this innovative ...

Smith adds brightness-adjusting photochromic lenses to their contrast and color-boosting Chromapop line including the Smith Shift XL Mag lenses. Photochromic sunglasses are nothing new in the world of ...

ANSWER: They are called photochromic lenses. Photo is a word denoting light. Chromic is a word that designates a process producing change. Another common name is transition lenses. These lenses darken ...

You don't buy sunglasses unless they feel good, look cool, and make you feel confident, right? Shapes, sizes, colors, and even brands are what we all focus on purely in a vain manner. In reality, that ...

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 ...