Thicker Frame Transition Photochromic Reading Glasses BS9106 Magnification Strength:+3.00 Insures optical clarity

Insures optical clarity

Frame width about 57/16 inches (138mm)

Width of the forehead frame:13

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

Bridge (DBL) about 11/16 inches (17mm)

Thicker Frame Transition Photochromic Reading Glasses BS9106 Magnification Strength:+3.00 Insures optical clarityAcrylic lens, plastic frame with spring hinges Frame width about 5 1 2 inches (140mm) Lens width about 1 7 8 inches (48mm) Lens height about 1 7 16 inches (36mm) Bridge(DBL) about 1 2 inches (12mm) Temple length about 5 1 2 inches (140mm) PHOTOCHROMIC LENSES Transparent lenses in the door, it will be change to grey color in the sunshine within 10 minutes.