TAC polarized lenses provide UV400 protection and help reduce reflections from bright surfaces

and unmatched clarity to allow you to see more details

which is for reading and close-up work

Bridge (DBL) about 3/4 inches (20mm)

Frame width about 4 11/12 inches (125mm)

Half-rim Crystal Blue Light Blocking Eyeglasses LX19008-BB60 feed-color-Blue/Red/Grey TAC polarized lenses provide UV400Acrylic lens, metal frame with spring hinges Block 60% blue light, 20% color distortion Frame width about 5 1 4 inches (133mm) Lens width about 2 1 8 inches (54mm) Lens height about 1 7 16 inches (36mm) Bridge (DBL) about 9 16 inches (15mm) Temple length about 5 5 16 inches (135mm)