Temple Length about 5 1/2 inches (140mm)

BLOCKING OVER 30% BLUE LIGHT - Blue light blocking technology naturally blocks out the recommended 30% of blue light rays: do not settle

Bridge(DBL) about 9/16 inches(15mm)

The lenses block 30% blue color of online test for color filtering properties

It's great in relieving visual discomfort and fatigue when working or gaming on computer for a long time

Rectangle Blue Light Filter Eyeglasses LX19039-BB40 Color:Blue Temple Length about 5 1/2Acrylic lens, metal frame with spring hinges Block 40% blue light, almost no color distortion Frame width about 5 3 16 inches (132mm) Lens width about 2 1 16 inches (53mm) Lens height about 1 1 2 inches (39mm) Bridge(DBL) about 1 2 inches (13mm) Temple length about 5 5 16 inches (135mm)