![Amazon.com: Rimless Progressive Multifocus Reading Glasses Photochromic Transition Sunglasses Sun Readers Blue Light Blocking Multifocal Computer Eyeglasses Anti Glare UV400 Presbyopia Eyewear for Men Women 3.0 : Health & Household Amazon.com: Rimless Progressive Multifocus Reading Glasses Photochromic Transition Sunglasses Sun Readers Blue Light Blocking Multifocal Computer Eyeglasses Anti Glare UV400 Presbyopia Eyewear for Men Women 3.0 : Health & Household](https://m.media-amazon.com/images/I/514bWvDtmaL.jpg)
Amazon.com: Rimless Progressive Multifocus Reading Glasses Photochromic Transition Sunglasses Sun Readers Blue Light Blocking Multifocal Computer Eyeglasses Anti Glare UV400 Presbyopia Eyewear for Men Women 3.0 : Health & Household
All About Eyes Abuja - Lenses that go dark in the sun are referred to as #photochromic lenses. They have tiny molecules embedded in them that react with UV (ultraviolet) sun rays
![3 Tips for choosing Photochromic Lenses | Transitions / Reactolite / Sensity / Photofusion - YouTube 3 Tips for choosing Photochromic Lenses | Transitions / Reactolite / Sensity / Photofusion - YouTube](https://i.ytimg.com/vi/eV9M82_neY8/mqdefault.jpg)