You can get a complete pair of Transitions glasses at Zenni for as low as $77.90, excluding shipping and taxes. Transitions Signature Gen8 lenses range from $70.95 to $168.95 for Single Vision and from $138.95 to $214.95 for progressives. Transitions XTRActive Polarized lenses range from $121.95 to $214.95 for Single Vision and from $168.95 to $261.95 for progressives. If you are looking for an even more affordable option, Zenni offers its own line of photochromic lenses, starting at $38.95. Another option is Vision-Ease LifeRx lenses, starting at $72.95.