Bridge (DBL) about 1/2 (13mm)

COMPUTER READING GLASSES - Blue light blocking computer reading glasses can reduce eyestrain when you are working on computer

and other surfaces can make driving

Electromagnetic ray

Transition Photochromic Reading Glasses BSR151 Color:Tortoise Bridge (DBL) about 1/2 (13mm)Acrylic lens, plastic frame with spring hinges Frame width about 5 1 2 inches (140mm) Lens width about 2 1 16 inches (53mm) Lens height about 1 5 8 inches (41mm) 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.