Polycarbonate lens, only perfect fit same size eyeglasses
Block 40% blue light, almost no color distortion
Frame width about 5 1/8 inches (130mm)
Lens width about 2 3/8 inches (60mm)
Lens height about 1 11/16 inches (43mm)
Bridge (DBL) about 1/2 inches (12mm)
EYEKEEPER FLIP-UP CLIP-ON BLUE LIGHT BLOCKING GLASSES: Blue light filter glasses, just flip-up and clip on the glasses, ideal for working, gaming, browsing on computers, tablets, smart phones, TV or softening office harsh LED lights.
