Stare at the computer or smartphone all day? Studies have shown that prolonged exposure to emitted light source - especially High Energy Blue Light - may cause: - Painful or dry eyes - Fatigue and stress (hard to focus for long periods of time) - Insomnia (hard to fall asleep or poor sleep quality) - Poor productivity and performance - Macular degeneration and other vision conditions Protect your eyes from harmful High Energy Blue Light with J+S Vision Blue Light Shield! Here are 5 Reasons You're Going to LOVE Your J+S Vision Blue Light Shield: 1. Blocks 90% of high energy blue light* (To provide maximum protection) 2. Lets through 70% of low energy blue light* (For minimal color distortion) 3. Classic unisex design (So you can protect your eyes while looking stylish) 4. Comfortable sturdy frame (Spring-loaded temples ensures maximum comfort) 5. Backed by 30 DAY MONEY BACK GUARANTEE and a 1 YEAR WARRANTY! (Order yours now because you literally RISK NOTHING!) Order your own J+S Vision Blue Light Shield today and start protection your eyes today. Once you've experience how comfortable your eyes are after a long gaming session or a day of hard work, we're confident you'll have LOADS MORE than 5 reasons to love it! All you need to do is click the button at the top of this page to have your very own J+S Vision Blue Light Shield rushed straight to your door. Your eyes will thank you for it! Order your J+S Vision Blue Light Shield and join thousands of other satisfied customers who LOVE the J+S Vision difference!Dimensions:Overall width: 138mmTemple Length: 140mmLens Width: 42mmLens Height: 42mmNose bridge width: 17mm*Note: The more harmful high energy blue/violet light = 400nm - 430nm and less harmful blue light = 430nm - 495nm.