Man Optical Frames Full Frame Optical Glasses Too much blue light exposure will cause eye strain, blurred vision, and headaches. Now that people are using more digital devices at home and work, it`s important to protect our eyes as much as possible. classic Optical glasses with PC lens can effectively block ultraviolet radiation ,provide 100% UV400 protection and filter harmful blue light,Retro Optical glasses are suitable for use when watching TV and look at computer. If you're interested about Optical glasses, please don't hesitate to contact us! Model: S10047 Gender: Man Lens Material: PC Frame Type: Full Frame Frame Material: Titanium Style: Oval UV: UV400 Function: Adult Optical Department Name: Adult Occasion: Driving/Fashion Show/Outdoor Travel