Lens width about 2  inches (50mm)

Plastic and Wood frame with spring hinges

visual fidelity and impact resistance

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

UVA & UVB blocking & fingerprint resistant

Classic Transition Photochromic Reading Glasses BSR150 Magnification Strength:+2.50 Lens width about 2 inchesAcrylic lens, plastic frame with spring hinges Frame width about 5 7 16 inches (138mm) Lens width about 2 1 16 inches (52mm) Lens height about 1 7 16 inches (37mm) Bridge(DBL) about 1 2 inches (13mm) Temple length about 5 1 8 inches (130mm) PHOTOCHROMIC LENSES Transparent lenses in the door, it will be change to grey color in the sunshine within 10 minutes.