This Popular Frame Could Be Put Into Anti Blue Light Lenses(CR39),Protecting Your Eyes From Harmful Invisible Light During Reading or Watching Video. If You Choose to Buy Frame with Anti Blue Light Clear Lens, We Will Do the Exchange and Send the Complete Anti Blue Light Glasses to You.ANTI BLUE RAYS AND UV PROTECTIONThese reading glasses anti harmful blue light and anti UV rays, our readers protect all days!Relieving eye fatigue, dry and vision falling, eye syndrome and macular degeneration.reading glasses women men, perfect for you who use the computer and phones all days.QUALITY MATERIALLightweight: The pair glasses weight 18.2g，a package only weight:104g/0.23lb.No pressure on nose and ears, comfortable to wear.The frame material is made of plastic, no chemical residue is released.And the lens we choose the high-quality acrylic lens, clear and scratch-resistant.HOW TO CLEARTo avoid damage, do not use paper towels or clothing to clean your glasses, and avoid using household cleaners or soap.Although some mild soap does not damage the lens, today's fortified soap are powerful enough to slowly break down the lens.[BLUE LIGHT BLOCKING GLASSES] - Reading Glasses Women/Men can effectively block blue light ,provide filter harmful blue light. Relieving eye fatigue, dry and vision falling. For better life, YTDBNS focuses on the blue light blocking technology and brings you clear life on the digital times.[BLUE LIGHT FILTER GLASSES-TRANSPARENT LENS] - No color difference, bring you good visual experience. Glasses lenses are high-end space Polycarbonate lens with SHMC technology easy to clean. Better sleep.[LIGHTWEIGHT RESIN MATERIAL] - Super light and flexible RESIN frame material for durability and comfortable long-term wearing. Casual frame design keeps you looking professional and stylish while working or playing video games.