Hack Your Sleep NoBlue Blue Blocking Sunglasses Orange/Amber Tinted Lens Computer Glasses (includes Ebook) Blocks 99.9% of Blue and UV Rays, Prevents Eye Fatigue, Soft Temples Tested to Block 99.9% of Harmful Blue Rays and UV Rays emitting from the Sun and Artificial Light Sources Sleep Better: Wear Before Bed and Block Artificial Light from Suppressing Melatonin Prod. Safe and Stylish: Wraparound Lens Design For Maximum Coverage and Safety Meets ANSI Z87.1-2003 and CSA Z94.3 standards Prevents Headaches: Protects from Eye Fatigue from Computer, tablet, television, and cell phone screens. 99.9% Blue Blocking Ability: Dark Tinted Amber Sunglass Lens to Fully Block all Blue Ray Light