Product: 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)
Brand: kirka
Color: Green
★PROTECT YOUR WINDOW OF SOUL
 Kirka computer glasses will keep your eyes safe from all harmful blue light, designed for anyone using any electronic device such as computers, TV or phones.
Effectively reducing eye strain and headache, relieving eye fatigue and dry.So you can enjoy a restful deeper sleep.

 ★WHAT PERCENTAGE OF BLUE LIGHT DOES OUR COMPUTER GLASSES BLOCK? 
 Kirka computer 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. 

 ★BLUE LIGHT BLOCKING TEST
 Step 1.You will get a test card and blue light flash when you buy kirka computer glasses.
 Step 2.The white area of the test card will turn to purple when it exposes to blue light. Using blue light flash to beam the white area , the white area turn to purple.
 Step 3.When using blue light flash to beam the white area through kirka computer glasses, the white area don't change color. That means kirka computer glasses can greatly block the harmful blue light.

 ★INCLUDES
 1*computer glasses
 1*cleaning soft cloth
 1*glasses pouch
 1*blue light test set
 1*box case

✅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 5-12 - Kirka gaming glasses generally fit boys and girls from ages 5 to 12, but it depends on the size of the kids. For more accuracy, please refer to the frame size.
✅CE registered company- Kirka is the professional eye protection glasses brand in USA with 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).

Search query: the blue shield
Relevance: Exact