Cat-eye Blue Light Blocking Eyeglasses BC1901-BB60 Magnification Strength:without magnification as they won't break easily

as they won't break easily

Bridge(DBL) about 5/8 inches(16mm)

Low blue light glasses provide computer eye strain relief & alleviate dry eyes & relief headache when using your T

Frame width about 5 5/16 inches (145mm)

block 39% within 440nm

Cat-eye Blue Light Blocking Eyeglasses BC1901-BB60 Magnification Strength:without magnification as they won't break easilyAcrylic lens, plastic frame with spring hinges Block 60% blue light, 20% color distortion Frame width about 5 1 2 inches (140mm) Lens width about 2 1 16 inches (53mm) Lens height about 1 11 16 inches (42mm) Bridge (DBL) about 1 2 inches (12mm) Temple length about 5 1 2 inches (140mm)