Blue Light Shield Computer Reading/Gaming Glasses for kids- 0.0 Magnification - Anti Blue Light 90% UV Protection Low Color Distortion, Classic Black and Green Frame - Essential Gaming Gear (TK4002C1)?Blue light blocking- gaming glasses (non-prescription) for daily use when kids using a computer, ipad or smart phone. Kirka gaming glasses can cut the most of the blue light. Reduce eyestrain and headache. Protect kid's eyesight.?Ages 5-10 - Kirka gaming glasses generally fit boys and girls from ages 5 to 10, but it depends on the size of the kids. For more accuracy, please refer to the frame size.?FDA registered company- Kirka is the professional eye protection glasses brand in USA with the FDA certification and CE certification.?Durable and fun - frame material: Acetate; lenses material: polycarbonate; this durable and fun gaming glasses is available in a wide array of styles that your kids will appreciate.?Lifetime warranty - you can return the defective gaming glasses for repairing or exchanging for free at any time (if not man-made damage). 1.UV400 Protection 2.Radiation Protection 3.Blue Light Filter Kirka anti blue light glasses focuses on blocking off the High-energy blue/violet spectrum (400nm - 430nm). This is the most harmful part of the light spectrum and is the part that we are blocking the most - at ~90%. We then let through more of the Low-energy blue spectrum (430nm - 495nm). It is relatively less harmful compared to the High-energy blue region and only ~30% of light in this region is blocked so you can still see most blue as blue through our glasses. This is why we can achieve a low color distortion characteristics for our lens. 4.Anti Eye Strain Long time exposure to blue light would lead to digital eye fatigue. Wearing kirka computer glasses, no more tired eyes. Reduce eye strain and sensitivity to light when facing digital screens. Great for office workers or anyone who has to look at screen all day. 5.Minimize Headache Do you suffer headaches from long time screen time? kirka anti blue light glasses will supercharge your health by blocking detrimental blue light while letting in all other beneficial light. 6.For Better Sleep Exposure to high rate blue light will impact our sense of circadian rhythms and wreck our internal rock, then cause insomnia. Wearing kirka anti blue light glasses will improve your sleep, help you sleep better and have good night. KIDS COMPUTER GLASSES Kirka computer glasses will keep your eyes safe from all harmful blue light, designed for anyone using anyelectronic device such as computers, TVor phones. BLUE LIGHT BLOCKING TEST 1 The white area of the test card will turn to purple when it under the blue light.Using blue light flash to beam the white area of the test card, the white area turn to purple. BLUE LIGHT BLOCKING TEST 2 When blue light flash to beam the white area of the test card through kirka computer glasses, the white area don't change color.That means kirka computer glasses can greatly block the harmful blue light. THE WHOLE SET YOU GET 1*HARD GLASSES CASE Well packaged with 1 hard glasses case ensure the safety of the glasses in transit. 1*GLASSES CLOTH and 1*BAG 1*glasses cloth and 1*glasses bag for free convenient for use. 1*BLUE LIGHT BLOCKING TEST SET 1*blue light blocking test set for free,testing the glasses by yourself. 1.UV400 Protection 2.Radiation Protection 3.Blue Light Filter Kirka anti blue light glasses focuses on blocking off the High-energy blue/violet spectrum (400nm - 430nm). This is the most harmful part of the light spectrum and is the part that we are blocking the most - at ~90%. We then let through more of the Low-energy blue spectrum (430nm - 495nm). It is relatively less harmful compared to the High-energy blue region and only ~30% of light in this region is blocked so you can still see most blue as blue through our glasses. This is why we can achieve a low color distortion characteristics for our lens. 4.Anti Eye Strain Long time exposure to blue light would lead to digital eye fatigue. Wearing kirka computer glasses, no more tired eyes. Reduce eye strain and sensitivity to light when facing digital screens. Great for office workers or anyone who has to look at screen all day. 5.Minimize Headache Do you suffer headaches from long time screen time? kirka anti blue light glasses will supercharge your health by blocking detrimental blue light while letting in all other beneficial light. 6.For Better Sleep Exposure to high rate blue light will impact our sense of circadian rhythms and wreck our internal rock, then cause insomnia. Wearing kirka anti blue light glasses will improve your sleep, help you sleep better and have good night. KIDS COMPUTER GLASSES Kirka computer glasses will keep your eyes safe from all harmful blue light, designed for anyone using anyelectronic device such as computers, TVor phones. BLUE LIGHT BLOCKING TEST 1 The white area of the test card will turn to purple when it under the blue light.Using blue light flash to beam the white area of the test card, the white area turn to purple. BLUE LIGHT BLOCKING TEST 2 When blue light flash to beam the white area of the test card through kirka computer glasses, the white area don't change color.That means kirka computer glasses can greatly block the harmful blue light. THE WHOLE SET YOU GET 1*HARD GLASSES CASE Well packaged with 1 hard glasses case ensure the safety of the glasses in transit. 1*GLASSES CLOTH and 1*BAG 1*glasses cloth and 1*glasses bag for free convenient for use. 1*BLUE LIGHT BLOCKING TEST SET 1*blue light blocking test set for free,testing the glasses by yourself. Product Dimensions: 5.3 x 5 x 1.3 inches Shipping Weight: 2.6 ounces (View shipping rates and policies) TOP BRANDS Payment Shipping Returns Contact Paypal PayPal is our preferred method of payments its the quickest, easiest and most secure way to pay for your goods or services online. PayPal offers buyer and seller protection should there be a problem. If you do not have a PayPal account, to get started and buy your first item with us is very easy. Simply click on the Buy It Now button and follow the eCRATER checkout steps. Select PayPal as the payment method you then will be given the chance to enter your card details in to PayPals secure checkout in order to pay for your order. Once the payment has been made, you will then be given the opportunity to make your own PayPal account to make paying for your items in the future very easy. 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