Overal Blue Block Rate: 45% - ANYLUV blue light glasses protects your eyes by filtering out most of harmful high energy blue light rays while letting through the less harmful portion of the blue light spectrum. Low Color Distortion Lens- Unlike other bluelight glasses mens on the market with heavily tinted lens. ANYLUV's low color distortion lens is optimised to provides the perfect balance between eye protection and viewing quality. Improved Performance and Productivity- Extended exposure to blue light rays may cause fatigue and stress. Filtering out the high energy blue light allows you to focus on your game or task at hand. Protect Your Eyes- High energy blue Light emitted by electronic devices (such as computers, TV, smartphones) have shown to increase the risk of sight conditions from sore dry eyes to macular degeneration.