Bridge(DBL) about 11/16 inches (18mm)

1 7/16 inches (36mm)

EYEKEEPER ONLINE PROGRESSIVE MULTIFOCUS GLASSES - 5-layer anti-reflective coating to minimize glare from screens and fluorescent lighting

Head size: Narrow To Medium

Frame width about 5 3/8 inches (136mm)

Cat-eye Blue Light Filter Eyeglasses BC1902-BB40 Magnification Strength:without magnification Bridge(DBL) about 11/16 inches (18mm)Acrylic lens, plastic frame with spring hinges Block 40% blue light, almost no color distortion Frame width about 5 1 2 inches (139mm) Lens width about 2 1 16 inches (52mm) Lens height about 1 1 2 inches (38mm) Bridge (DBL) about 1 2 inches (12mm) Temple length about 5 1 2 inches(140mm)