5 Pack Stylish Blue Light Filter Computer Reading Glasses CG177 feed-color-Brown/Transparent Lens width about 1 7/8

Lens width about 1 7/8 inches (48mm)

Lens height about 1 3/4 inches (45mm)

Temple length about 5 inches (125mm)

FDA REGISTERED - Fully registered with the Food and Drug administration to import Class I medical devices

Electromagnetic ray

5 Pack Stylish Blue Light Filter Computer Reading Glasses CG177 feed-color-Brown/Transparent Lens width about 1 7/8Acrylic lens, plastic frame with spring hinges Block 40% blue light, almost no color distortion Frame wideth about 5 5 8 inches (143mm) Lens width about 2 1 8 inches (54mm) Lens height about 1 1 4 inches (32mm) Bridge (DBL) about 9 16 inches (15mm) Temple length about 5 5 16 inches (135mm)