"These sunglasses comply with ANSI Z80.3: 2018 and EN ISO 12312-1: 2022. Not for direct
observation of the sun. Not for protection against artificial light sources, e.g. solaria. Not for use as eye protection against mechanical hazards. Not suitable for driving in twilight or at night or under dull light conditions. The last number on the inside of the left temple is the filter category as explained in the table. BLUE LIGHT GLASSES: Quay blue light glasses feature lenses with Blue Light Technology, which helps block certain High Energy Visible (HEV) light from digital screens that, in some people, may contribute to symptoms like tired eyes, vision blur, and sleeplessness.