Frame material： PC Lens： resin Function： type anti-blue light Protect your eyes - High-energy blue light from electronic devices such as computers, televisions, and smartphones increases the risk of vision from dry eyes to degraded eyeballs. Blu-ray protection - Gamma-ray computer/game glasses minimize digital eye fatigue caused by unwanted blue light. These glasses are ideal for use as games/computer glasses, reducing the visual fatigue and discomfort of working on laptops for a long time, surfing the Internet on a PC or laptop, playing games and watching videos. Improve performance and productivity - Exposure to blue light for extended periods of time can cause fatigue and stress. By filtering out high-energy blue light, you can focus on the work, game or task at hand.