4 Pack Round Blue Light Filter Reading Glasses UVR9002D feed-color-Gunmetal BLOCKING OVER 30% BLUE LIGHT

BLOCKING OVER 30% BLUE LIGHT - Blue light blocking technology naturally blocks out the recommended 30% of blue light rays: do not settle

Size for manual measurement

Bridge (DBL) about 7/8 (22mm)

Height:1 15/16"(50mm)

Lens width about 1 5/8 (41mm)

4 Pack Round Blue Light Filter Reading Glasses UVR9002D feed-color-Gunmetal BLOCKING OVER 30% BLUE LIGHTAcrylic lens, plastic frame with spring hinges Block 40% blue light, almost no color distortion Frame width about 5 7 16 inches (138mm) Lens width about 2 inches (51mm) Lens height about 1 11 16 inches (43mm) Bridge(DBL) about 1 2 inches (13mm) Temple length about 5 5 16 inches (135mm)