The highest quality, thinnest blue-blocking lenses on Earth. Choose your level 0,1,2,3 or 4 and write in the "special instructions" at checkout. Essilor's Eyezen Digital Trivex is designed for the strongest prescriptions, to make the thinnest and lightest lens available in the world today. Please specify if you want Eyezen 0,1,2 or 3 or 4at checkout. Essilor Eyezen Trivex lenses are made by the world's largest lens company making top quality lenses. Essilor is the leading lens maker in the world, and all of the Essilor lenses we sell are made in a U.S. laboratory. We are able to offer these at a great price point. This lens is a good choice for corrections up to +/-12.00, and it is available with a variety of options such as Transitions, UV protection, sunglasses or fashion tint, standard Anti-Reflective coating, and the top-quality Crizal Alize and Crizal Avance coatings. All of our lenses come with our Perfect Lenses Guarantee.