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 Metal, Lens width about 2 1/16 inches(52mm), Frame width about 5 1/4 inches(133mm), Lens height about 1 1/2 inches(38mm), Frame height about 1 11/16 inches(42mm), Bridge (DBL) about 9/16 inches(14mm), Temple length about 5 5/16 inches(135mm), with spring hinge.