See the day in its best light with the Transitions® Premium™ technology. As the leader in photochromic lenses, Transitions® the highest quality in all circumstances. These high-performance lenses adapt to the light intensity indoors and outdoors, from light to dark, and to everything in between. One pair of glasses gets you through day and night, correcting your vision and protecting your eyes against the harms of UVA and UVB-light. A considerable upgrade for your comfort and an astounding revelation for your vision.