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
![I tried Acuvue's contact lenses that turn dark under the sun - and I'd buy them if it weren't for the price, Lifestyle News - AsiaOne I tried Acuvue's contact lenses that turn dark under the sun - and I'd buy them if it weren't for the price, Lifestyle News - AsiaOne](https://media.asiaone.com/sites/default/files/styles/a1_600x316/public/original_images/Aug2019/lenses_cover.jpg?h=2e181f1f&itok=U5dKB-4z)
I tried Acuvue's contact lenses that turn dark under the sun - and I'd buy them if it weren't for the price, Lifestyle News - AsiaOne
![The World's First Variable Polarized Photochromic Lens – FirstView Eye Care Associates – Plattsburgh NY 12901 The World's First Variable Polarized Photochromic Lens – FirstView Eye Care Associates – Plattsburgh NY 12901](https://www.firstvieweyecare.com/wp-content/uploads/2011/07/transitions.gif)