Eyekepper Computer Gaming Glasses for Kids - Blue Light Blocking with Yellow Filter Lens - Boys Girls Anti Glare Digital Glasses for Reading Screen - Blue

About the item: Eyekepper BB60 lenses - Transparent lenses with 12 layer yellowish coating. 100% UV protection. Eyekepper BB60 lenses - Transparent lenses with 12 layer yellowish coating. 100% UV protection. Test via the spectrometer(the performance of blue light blocking): block 35% within 500nm, block 42% within 490nm, block 49% within 480nm, block 55% within 470nm, block 60% within 460nm, block 64% within 450nm, block 67% within 440nm, block 77% within 430nm, block 97% within 420nm, block more than 99% within 400nm-410nm. 20% color distortion due to 30% blue color was filtered out. The lenses block 30% blue color of online test for color filtering properties. Please check Eyekepper BB90 and BB98 lenses if you need block more blue color and blue light. PRODUCTS DIMENSION - Frame Material is Plastic, Lens width about 1 5/8 inches(42mm),Frame width about 5 inches(127mm),Lens height about 1 1/4 inches(32mm),Frame height about 1 1/2 inches(38mm),Bridge(DBL) about 1/2 inches(12mm),Temple