A transition glasses lenses), which darken in sunlight and go back to clear indoors in a matter of seconds, offering the dual functionality of glasses and sunglasses in one. You can get Transitions lenses with 1000s of frames including best-sellers and designer brands such as Ray-Ban, Oakley, Prada, and many more, so you’re guaranteed to find the perfect match. Additionally, you can get Transitions with prescription, ensuring your photochromic glasses also meet your specific vision needs.