ThinOPTICS are the thinnest, lightest and most durable reading glasses in the world. ThinOPTICS are Always with You. The handy keychain case keeps your glasses safe and right at your fingertips. ThinOPTICS free you from having to remember to carry your reading glasses everywhere. Join the #ThinOPTICS legion of Amazon purchasers and reviewers who never forget their reading glasses.