Transition Photochromic Reading Glasses BS163 Magnification Strength:+1.50 Bridge (DBL) about 9/16 inches

Bridge (DBL) about 9/16 inches (15mm)

Frame width about 5 3/4 inches(146mm)

30% color distortion

supporting clearer and more comfortable outdoor viewing

Frame width about 6 1/5 inches (155mm)

Transition Photochromic Reading Glasses BS163 Magnification Strength:+1.50 Bridge (DBL) about 9/16 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 5 16 inches (135mm) PHOTOCHROMIC LENSES Transparent lenses in the door, it will be change to grey color in the sunshine within 10 minutes.