Finley's eco-friendly, handmade bio-acetate and Revo's signature NASA-based polarized lens technology make the future look brighter. The rectangle shape is universally flattering and the lightweight frames are comfortable for all day wear. Revo high-contrast polarized Serilium+ lenses. Revo Light Management System(tm) filters harmful UV, HEV, and blue light digital device-friendly reduces glare and enhances clarity of digital screens. Integrated nose guards.