Worn a few times so might have some wear. The red glasses are +1.50 and the black pair are +0.00. -You've got options! -With this nifty set of blue light readers, you can match your frames to your mood -- so there's no more feeling drab for video calls or virtual meetings (we've been there, too). -And since two is better than one, it also means you can carry a pair in your bag and be ever-prepared to sneak in a chapter on your eReader or enjoy some uninterrupted scrolling time in long lines. You'll never want to be found without at least one pair from this Dynamic Duo -- and we can't blame you! From Prive Revaux. -Includes two pairs of readers, trifold case -Scratch-resistant; anti-reflective coating; blue light protection; 100% UVA/UVB protection -Blocks at least 70% of the blue light emitted from electronic screens and devices -Custom spring hinges with Akulon-coated screws -Lens measurements: Style One 2" x 1-5/8"; Style Two 2-1/8" x 1-5/8"