Exposure to blue light may put you at risk for macular degeneration,and it definitely contributes to eyestrain,blurred vision,and affects your ability to sleep well at night.Then the blue ray may cause visual fatigue,affect your learning and working efficiency.Now that we are using more digital devices at home and work. It is important to care for our eyes as much as possible. - Relieve our eye fatigue especially when watching TV and looking at computer. - Enjoy your digital time, no worry about eye fatigue, blurred vision and headache, blue light blocker for your eyes. - Acetate frames are perfect for daily, office, reading, computer games, etc. Bring you visual experience and a fashionable and lifestyle. - Blue ray blockers - All-day protection from blue light and UV light. - Clear lens --The lens was made of a fully transparent base, without adding any pigment, while maintaining high light transmittance - Reflect and filter blue light, prevent color distortion, 7-layer anti-reflective coating to reflect and filter blue light, reduce eyestrain and sleep better. High light transmittance with no noticeable yellow tint to prevent color distortion, minimize glare from digital screens.