Photochromic lenses—commonly known as Transitions lenses—are a game-changer for anyone who moves between indoor and outdoor environments throughout the day. These lenses automatically darken when exposed to sunlight and return to clear indoors, providing seamless vision comfort and protection. But not all photochromic lenses are the same. Let’s break down the different generations of Transitions lenses, how they perform in real life, how they compare to other photochromic brands, and which ones are best suited for your lifestyle. Comparing Transitions Lens Generations Transitions Optical has released several generations of lenses over the years, with each new version offering better technology and improved user experience. GenerationFeaturesImprovementsTransitions VIGood UV responsivenessBasic darkening outdoors; slower to fade back indoorsTransitions VIIFaster fade backBetter responsiveness in varying temperaturesTransitions Signature GEN 8Ultra-fast activation/fade, blue light filteringUses new-generation…