Blue Light Screen Protector Panel For Apple MacBook 13&rdquo;/13.3" Diagonal LED Monitor (W 11.88" X H 8.07&rdquo;). Blue Light Blocking up to 100% of Hazardous HEV LED Blue Light. Reduces Digital Eye Strain Designed for Apple computer. Absolutely the best optical quality Blue Light Blocking Panel available today Blocks 100% of Hazardous UV light and reduces HEV Bluelight up to 100% with excellent Color Transmittance Anti-Blue Light blocking between 380nm~495nm for wide range HEV protection to promote healthy eyes Reduces digital eye fatigue when viewing LED screens: Office PC, Home PC, eSports or eGaming. Design allows for easy installation and removal. Sizes available to fit most LED flat panel monitors.