Transitions® lenses are the leading brand of photochromic lenses (glasses that change in sunlight), which darken automatically when exposed to sunlight and return to clear indoors in seconds. What are photochromic lenses? Simply put, they’re innovative Transitions glasses that adapt to your light environment, darkening when outdoors return to clear when you step inside, providing unparalleled convenience for everyday wear. Explore our range of Transitions Ultra Dynamic Lenses tailored to different needs, including Transitions Gen S, Transitions XTRActive for more light-sensitive eyes, and Transitions XTRActive Polarized that reduce glare extra-efficiently. You can get Transitions glasses with 1000s of frames including best-sellers and designer brands such as Ray-Ban, Oakley, Prada, and many more, ensuring you’ll find the perfect match for your vision and style.