A fully-framed, unisex style that looks great on everyone! These lightweight Lancelot blue light reading glasses have rectangle frames made from 50% recycled plastic. Blue light lenses help filter blue-violet light*. The lenses are scratch- and impact-resistant. Recycled content is calculated by mass balance. Filters at least an average of 30% of blue-violet light (between 400 and 455nm as stated by ISO TR 20772:2018) as measured in 5 nm increments. Covered under U.S. Pat. No. 8,360,574. Other U.S. and foreign patents pending.